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BLM

Supplementary Information on the Affected Environment in the General Analysis Areas for the Wright Area Coal Lease Applications Environmental Impact Statement

Wyoming State Office – High Plains District

West Loadout Facilities Black Thunder Mine, Wyoming

Elk on Reclaimed Rangeland Jacobs Ranch Mine, Wyoming

Elk on Reclaimed Rangeland Black Thunder Mine, Wyoming

Loadout Facilities in Porcupine Creek Valley North Antelope Rochelle Mine, Wyoming

June 2009

The BLM manages more land – 258 million acres – than any other Federal agency. This land, known as the National System of Public Lands, is primarily located in 12 Western States, including Alaska. The Bureau, with a budget of about $1 billion, also administers 700 million acres of sub-surface mineral estate throughout the nation. The BLM’s multiple-use mission is to sustain the health and productivity of the public lands for the use and enjoyment of present and future generations. The Bureau accomplishes this by managing such activities as outdoor recreation, livestock grazing, mineral development, and energy production, and by conserving natural, historical, cultural, and other resources on public lands.

BLM/WY/PL-09/026+1320

SUPPLEMENTARY INFORMATION ON THE AFFECTED ENVIRONMENT
IN THE GENERAL ANALYSIS AREAS FOR THE
WRIGHT AREA COAL LEASE APPLICATIONS EIS

Prepared by WWC Engineering
Sheridan, Wyoming

Under the Direction of U.S. Department of the Interior
Bureau of Land Management
High Plains District Office
Casper, Wyoming
and Cooperating Agencies U.S. Department of the Interior
Office of Surface Mining
Reclamation and Enforcement
Denver, Colorado
U.S. Department of Agriculture
Forest Service
Medicine Bow-Routt National Forests and
Thunder Basin National Grassland
Douglas, Wyoming
Wyoming Department of Environmental Quality
Land Quality and Air Quality Divisions
Cheyenne, Wyoming
Wyoming Department of Transportation
Cheyenne, Wyoming
Converse County Board of Commissioners
Douglas, Wyoming

June 2009

Supplementary Information on the Affected Environment TABLE OF CONTENTS
INTRODUCTION ..........................................................................................S-1 INTRODUCTION, LIST OF FIGURES Figure S-1. The Three WAC Mines’ LBA Tracts as Applied for, the Respective BLM Study Areas, and the WAC EIS General Analysis Area ..........................................................................S-3 North Hilight Field LBA Tract Alternatives ...............................S-4
South Hilight Field LBA Tract Alternatives ...............................S-5
West Hilight Field LBA Tract Alternatives.................................S-6
West Jacobs Ranch LBA Tract Alternatives ..............................S-7
North Porcupine LBA Tract Alternatives...................................S-8
South Porcupine LBA Tract Alternatives ..................................S-9

Figure S-2. Figure S-3. Figure S-4. Figure S-5. Figure S-6. Figure S-7.

SECTION 1, NORTH HILIGHT FIELD LBA TRACT S1-1 S1-2 S1-3 S1-4 TOPOGRAPHY AND PHYSIOGRAPHY ............................................ S1-1 GEOLOGY .................................................................................... S1-1 PALEONTOLOGY ..........................................................................S1-4 AIR QUALITY ................................................................................S1-5 S1-4.1 Existing Emission Sources ............................................. S1-5 S1-4.2 Proposed Emission Sources ........................................... S1-5 S1-4.3 Historical Ambient Air Quality: Particulate Emissions ... S1-5 S1-4.4 Historical Ambient Air Quality: NO2 Emissions..............S1-8 WATER RESOURCES....................................................................S1-9 S1-5.1 Groundwater .................................................................S1-9 S1-5.2 Surface Water .............................................................. S1-17 S1-5.3 Water Rights ................................................................ S1-19 ALLUVIAL VALLEY FLOORS ....................................................... S1-42 WETLANDS ................................................................................ S1-43 SOILS ......................................................................................... S1-47 VEGETATION ............................................................................. S1-50 i

S1-5

S1-6 S1-7 S1-8 S1-9

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment TABLE OF CONTENTS (Continued) S1-10 WILDLIFE ................................................................................... S1-53
S1-10.1 Wildlife Resources........................................................ S1-53
S1-10.2 Big Game ..................................................................... S1-54
S1-10.3 Other Mammals ........................................................... S1-56
S1-10.4 Raptors........................................................................ S1-57
S1-10.5 Upland Game Birds ..................................................... S1-59
S1-10.6 Migratory Bird Species of Management Concern in
Wyoming...................................................................... S1-61 S1-10.7 Other Species .............................................................. S1-64
LAND USE AND RECREATION.................................................... S1-65
CULTURAL RESOURCES ............................................................ S1-68

S1-11 S1-12

SECTION 1, LIST OF TABLES Table S1-1. Average Overburden and Coal Thicknesses in the North Hilight Field LBA Tract .......................................................... S1-2 Distances to Pending LBA Tracts ........................................... S1-6
Summary of Black Thunder Mine Annual Coal and Overburden Production and Particulate Emissions Monitoring Data, 1997 – 2008 ...............................................S1-7 Groundwater Rights for North Hilight Field LBA Tract ......... S1-21
Surface Water Rights for North Hilight Field LBA Tract ........ S1-39
Acres of Topsoil Available for Reclamation Within the BLM Study Area for the North Hilight Field LBA Tract.................. S1-50 Vegetation Types Identified and Mapped Within the North Hilight Field LBA Tract ........................................................ S1-51 Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the North Hilight Field LBA Tract........................ S1-62 Large Block Class III Cultural Resource Inventories Within the General Analysis Area for the North Hilight Field LBA Tract ................................................................... S1-69

Table S1-2. Table S1-3.

Table S1-4. Table S1-5. Table S1-6.

Table S1-7.

Table S1-8.

Table S1-9.

Table S1-10. Cultural Resource Sites in the General Analysis Area for the North Hilight Field LBA Tract......................................... S1-73 ii Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment TABLE OF CONTENTS (Continued) SECTION 1, LIST OF FIGURES Figure S1-1. Geologic Cross Sections for the North Hilight Field LBA Tract ............................................................................ S1-3 Figure S1-2. Stream Laid Deposits Within and Adjacent to the North Hilight Field LBA Tract....................................................... S1-11 Figure S1-3. Wetlands Within the General Analysis Area for the North Hilight Field LBA Tract ...................................................... S1-46 SECTION 2, SOUTH HILIGHT FIELD LBA TRACT S2-1 S2-2 S2-3 S2-4 TOPOGRAPHY AND PHYSIOGRAPHY ............................................ S2-1 GEOLOGY .................................................................................... S2-1 PALEONTOLOGY ..........................................................................S2-2 AIR QUALITY ................................................................................S2-4 S2-4.1 Existing Emission Sources ............................................. S2-4 S2-4.2 Proposed Emission Sources ........................................... S2-4 S2-4.3 Historical Ambient Air Quality: Particulate Emissions ... S2-4 S2-4.4 Historical Ambient Air Quality: NO2 Emissions..............S2-4 WATER RESOURCES....................................................................S2-5 S2-5.1 Groundwater .................................................................S2-5 S2-5.2 Surface Water ................................................................S2-8 S2-5.3 Water Rights ................................................................ S2-10 ALLUVIAL VALLEY FLOORS ....................................................... S2-37 WETLANDS ................................................................................ S2-38 SOILS ......................................................................................... S2-39 VEGETATION ............................................................................. S2-43 WILDLIFE ................................................................................... S2-46 S2-10.1 Wildlife Resources........................................................ S2-46 S2-10.2 Big Game ..................................................................... S2-47 S2-10.3 Other Mammals ........................................................... S2-48 S2-10.4 Raptors........................................................................ S2-48 S2-10.5 Upland Game Birds ..................................................... S2-49 S2-10.6 Migratory Bird Species of Management Concern in Wyoming...................................................................... S2-50 iii

S2-5

S2-6 S2-7 S2-8 S2-9 S2-10

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment TABLE OF CONTENTS (Continued) S2-10.7 Other Species .............................................................. S2-52 S2-11 S2-12 LAND USE AND RECREATION.................................................... S2-52 CULTURAL RESOURCES ............................................................ S2-53

SECTION 2, LIST OF TABLES Table S2-1. Average Overburden and Coal Thicknesses in the South Hilight Field LBA Tract.........................................................S2-2 Distances to Pending LBA Tracts..........................................S2-5 Groundwater Rights for the South Hilight Field LBA Tract.. S2-12 Surface Water Rights for South Hilight Field LBA Tract ...... S2-33 Acres of Topsoil Available for Reclamation Within the BLM Study Area for the South Hilight Field LBA Tract................ S2-43 Vegetation Types Identified and Mapped Within the South Hilight Field LBA Tract....................................................... S2-44 Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the South Hilight Field LBA Tract...................... S2-50 Large Block Class III Cultural Resource Inventories Within the General Analysis Area for the South Hilight Field LBA Tract .................................................................. S2-54 Cultural Resource Sites in the General Analysis Area for the South Hilight Field LBA Tract....................................... S2-57

Table S2-2. Table S2-3. Table S2-4. Table S2-5.

Table S2-6.

Table S2-7.

Table S2-8.

Table S2-9.

SECTION 2, LIST OF FIGURES Figure S2-1. Geologic Cross Sections for the South Hilight Field LBA Tract ...........................................................................S2-3 Stream Laid Deposits Within and Adjacent to the South Hilight Field LBA Tract .......................................................S2-7 Wetlands Within the General Analysis Area for the South Hilight Field LBA Tract ..................................................... S2-40

Figure S2-2.

Figure S2-3.

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment TABLE OF CONTENTS (Continued) SECTION 3, WEST HILIGHT FIELD LBA TRACT
S3-1 S3-2 S3-3 S3-4 TOPOGRAPHY AND PHYSIOGRAPHY ............................................ S3-1 GEOLOGY .................................................................................... S3-1 PALEONTOLOGY .......................................................................... S3-5 AIR QUALITY ................................................................................ S3-5 S3-4.1 Existing Emission Sources ............................................. S3-5
S3-4.2 Proposed Emission Sources ........................................... S3-5
S3-4.3 Historical Ambient Air Quality: Particulate Emissions ... S3-6
S3-4.4 Historical Ambient Air Quality: NO2 Emissions..............S3-6
WATER S3-5.1 S3-5.2 S3-5.3 RESOURCES.................................................................... S3-6 Groundwater .................................................................S3-6 Surface Water ................................................................S3-9 Water Rights ................................................................ S3-12

S3-5

S3-6 S3-7 S3-8 S3-9 S3-10

ALLUVIAL VALLEY FLOORS ....................................................... S3-44
WETLANDS ................................................................................ S3-46 SOILS ......................................................................................... S3-48 VEGETATION ............................................................................. S3-51 WILDLIFE ................................................................................... S3-53 S3-10.1 Wildlife Resources........................................................ S3-53 S3-10.2 Big Game ..................................................................... S3-54 S3-10.3 Other Mammals ........................................................... S3-55 S3-10.4 Raptors........................................................................ S3-55 S3-10.5 Upland Game Birds ..................................................... S3-56 S3-10.6 Migratory Bird Species of Management Concern in
Wyoming...................................................................... S3-57 S3-10.7 Other Species .............................................................. S3-59

S3-11 S3-12

LAND USE AND RECREATION.................................................... S3-59
CULTURAL RESOURCES ............................................................ S3-60

SECTION 3, LIST OF TABLES Table S3-1. Average Overburden and Coal Thicknesses in the West Hilight Field LBA Tract ..........................................................S3-2 v

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment TABLE OF CONTENTS (Continued) Table S3-2. Table S3-3. Table S3-4. Table S3-5. Distances to Pending LBA Tracts .........................................S3-6 Groundwater Rights for the West Hilight Field LBA Tract ... S3-13 Surface Water Rights for the West Hilight Field LBA Tract.. S3-39 Acres of Topsoil Available for Reclamation Within the BLM Study Area for the West Hilight Field LBA Tract................. S3-50 Vegetation Types Identified and Mapped Within the West Hilight Field LBA Tract ...................................................... S3-51 Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the West Hilight Field LBA Tract ....................... S3-57 Large Block Class III Cultural Resource Inventories Within the General Analysis Area for the West Hilight Field LBA Tract ................................................................. S3-61 Cultural Resource Sites in the General Analysis Area for the West Hilight Field LBA Tract ........................................ S3-64

Table S3-6.

Table S3-7.

Table S3-8.

Table S3-9.

SECTION 3, LIST OF FIGURES Figure S3-1. Geologic Cross Sections for the West Hilight Field LBA Tract ...........................................................................S3-3 Geologic Cross Sections for the West Hilight Field LBA Tract ...........................................................................S3-4 Stream Laid Deposits Within and Adjacent to the West Hilight Field LBA Tract ....................................................... S3-8 Wetlands Within the General Analysis Area for the West Hilight Field LBA Tract ..................................................... S3-47

Figure S3-2.

Figure S3-3.

Figure S3-4.

SECTION 4, WEST JACOBS RANCH LBA TRACT S4-1 S4-2 S4-3 TOPOGRAPHY AND PHYSIOGRAPHY ............................................S4-1 GEOLOGY ....................................................................................S4-1 PALEONTOLOGY .......................................................................... S4-6

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment TABLE OF CONTENTS (Continued) S4-4 AIR QUALITY ................................................................................S4-7 S4-4.1 Existing Emission Sources ............................................. S4-7 S4-4.2 Proposed Emission Sources ........................................... S4-7 S4-4.3 Historical Ambient Air Quality: Particulate Emissions ... S4-8 S4-4.4 Historical Ambient Air Quality: NO2 Emissions............ S4-10 WATER RESOURCES.................................................................. S4-11 S4-5.1 Groundwater ............................................................... S4-11 S4-5.2 Surface Water .............................................................. S4-18 S4-5.3 Water Rights ................................................................ S4-20 ALLUVIAL VALLEY FLOORS ....................................................... S4-49 WETLANDS ................................................................................ S4-50 SOILS ......................................................................................... S4-53 VEGETATION ............................................................................. S4-55 WILDLIFE ................................................................................... S4-58 S4-10.1 Wildlife Resources........................................................ S4-58 S4-10.2 Big Game ..................................................................... S4-59 S4-10.3 Other Mammals ........................................................... S4-60 S4-10.4 Raptors........................................................................ S4-61 S4-10.5 Upland Game Birds ..................................................... S4-62 S4-10.6 Migratory Bird Species of Management Concern in Wyoming...................................................................... S4-63 S4-10.7 Other Species .............................................................. S4-65 LAND USE AND RECREATION.................................................... S4-67 CULTURAL RESOURCES ............................................................ S4-70

S4-5

S4-6 S4-7 S4-8 S4-9 S4-10

S4-11 S4-12

SECTION 4, LIST OF TABLES Table S4-1. Average Overburden and Coal Thicknesses in the West Jacobs Ranch LBA Tract....................................................... S4-6 Distances to Pending LBA Tracts .......................................... S4-8
Summary of Jacobs Ranch Mine Annual Coal and Overburden Production and Particulate Emissions Monitoring Data, 1998 – 2008 .............................................. S4-9 Groundwater Rights for the West Jacobs Ranch LBA Tract .................................................................................. S4-22 vii

Table S4-2. Table S4-3.

Table S4-4.

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment TABLE OF CONTENTS (Continued) Table S4-5. Surface Water Rights for the West Jacobs Ranch LBA Tract .................................................................................. S4-46 Preliminary Wetlands and OWUS Areas Estimated on the General Analysis Area for the West Jacobs Ranch LBA Tract .................................................................................. S4-51
Acres of Topsoil Available for Reclamation Within the General Analysis Area for the West Jacobs Ranch LBA Tract .................................................................................. S4-55 Vegetation Types Identified and Mapped Within the West Jacobs Ranch LBA Tract ............................................ S4-56 Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the West Jacobs Ranch LBA Tract ........................................................................... S4-64

Table S4-6.

Table S4-7.

Table S4-8.

Table S4-9.

Table S4-10. Summary of Cultural Resource Inventories in the General Analysis Area for the West Jacobs Ranch LBA Tract .................................................................................. S4-71
Table S4-11. Cultural Resource Sites in the General Analysis Area for the West Jacobs Ranch LBA Tract ................................. S4-75 SECTION 4, LIST OF FIGURES Figure S4-1. Geologic Cross Sections for the West Jacobs Ranch LBA Tract ...........................................................................S4-3 Geologic Cross Sections for the West Jacobs Ranch LBA Tract ...........................................................................S4-4 Geologic Cross Sections for the West Jacobs Ranch LBA Tract ...........................................................................S4-5 Stream Laid Deposits Within and Adjacent to the West Jacobs Ranch LBA Tract .......................................... S4-13 Wetlands Within the General Analysis Area for the West Jacobs Ranch LBA Tract .......................................... S4-52

Figure S4-2.

Figure S4-3.

Figure S4-4.

Figure S4-5.

viii

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment TABLE OF CONTENTS (Continued) SECTION 5, NORTH PORCUPINE LBA TRACT
S5-1 S5-2 S5-3 S5-4 TOPOGRAPHY AND PHYSIOGRAPHY ............................................ S5-1 GEOLOGY .................................................................................... S5-1 PALEONTOLOGY .......................................................................... S5-5 AIR QUALITY ................................................................................ S5-6 S5-4.1 Existing Emission Sources ............................................. S5-6
S5-4.2 Proposed Emission Sources ........................................... S5-6
S5-4.3 Historical Ambient Air Quality: Particulate Emissions ... S5-6
S5-4.3 Historical Ambient Air Quality: NO2 Emissions..............S5-9
WATER S5-5.1 S5-5.2 S5-5.3 RESOURCES.................................................................. S5-10 Groundwater ............................................................... S5-10 Surface Water .............................................................. S5-18 Water Rights ................................................................ S5-21

S5-5

S5-6 S5-7 S5-8 S5-9 S5-10

ALLUVIAL VALLEY FLOORS ....................................................... S5-53
WETLANDS ................................................................................ S5-59 SOILS ......................................................................................... S5-60 VEGETATION ............................................................................. S5-64 WILDLIFE ................................................................................... S5-68 S5-10.1 Wildlife Resources........................................................ S5-68 S5-10.2 Big Game ..................................................................... S5-69 S5-10.3 Other Mammals ........................................................... S5-71 S5-10.4 Raptors........................................................................ S5-73 S5-10.5 Upland Game Birds ..................................................... S5-74 S5-10.6 Migratory Bird Species of Management Concern in
Wyoming...................................................................... S5-76 S5-10.7 Other Species .............................................................. S5-77

S5-11 S5-12

LAND USE AND RECREATION.................................................... S5-80
CULTURAL RESOURCES ............................................................ S5-84

SECTION 5, LIST OF TABLES Table S5-1. Average Overburden and Coal Thicknesses in the North Porcupine LBA Tract ............................................................ S5-2 ix

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment TABLE OF CONTENTS (Continued) Table S5-2. Table S5-3. Distances to Pending LBA Tracts..........................................S5-7 Summary of North Antelope Rochelle Mine Annual Coal and Overburden Production and Particulate Emissions Monitoring Data, 1998 – 2008..............................................S5-8 Groundwater Rights for the North Porcupine LBA Tract ..... S5-23 Surface Water Rights for the North Porcupine LBA Tract .... S5-40 Acres of Topsoil Available for Reclamation Within the General Analysis Area for the North Porcupine LBA Tract.................................................................................. S5-64 Vegetation Types Identified and Mapped Within the North Porcupine LBA Tract ................................................ S5-65 Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the North Porcupine LBA Tract .......................................................................... S5-78 Summary of Cultural Resource Inventories in the General Analysis Area for the North Porcupine LBA Tract................ S5-85

Table S5-4. Table S5-5. Table S5-6.

Table S5-7.

Table S5-8.

Table S5-9.

Table S5-10. Cultural Resource Sites in the General Analysis Area for the North Porcupine LBA Tract ..................................... S5-88 SECTION 5, LIST OF FIGURES Figure S5-1. Geologic Cross Sections for the North Porcupine LBA Tract ...........................................................................S5-3 Geologic Cross Sections for the North Porcupine LBA Tract ...........................................................................S5-4 Declared Alluvial Valley Floors and Stream Laid Deposits Within and Adjacent to the North and South Porcupine LBA Tracts ....................................................................... S5-12 Wetlands Within the General Analysis Area for the North Porcupine LBA Tract............................................... S5-61

Figure S5-2.

Figure S5-3.

Figure S5-4.

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment TABLE OF CONTENTS (Continued) SECTION 6, SOUTH PORCUPINE LBA TRACT
S6-1 S6-2 S6-3 S6-4 TOPOGRAPHY AND PHYSIOGRAPHY ............................................ S6-1 GEOLOGY .................................................................................... S6-1 PALEONTOLOGY .......................................................................... S6-4 AIR QUALITY ................................................................................ S6-5 S6-4.1 Existing Emission Sources ............................................. S6-5
S6-4.2 Proposed Emission Sources ........................................... S6-5
S6-4.3 Historical Ambient Air Quality: Particulate Emissions ... S6-6
S6-4.3 Historical Ambient Air Quality: NO2 Emissions..............S6-6
WATER S6-5.1 S6-5.2 S6-5.3 RESOURCES.................................................................... S6-6 Groundwater .................................................................S6-6 Surface Water ................................................................S6-8 Water Rights ................................................................ S6-10

S6-5

S6-6 S6-7 S6-8 S6-9 S6-10

ALLUVIAL VALLEY FLOORS ....................................................... S6-33
WETLANDS ................................................................................ S6-34 SOILS ......................................................................................... S6-35 VEGETATION ............................................................................. S6-39 WILDLIFE ................................................................................... S6-43 S6-10.1 Wildlife Resources........................................................ S6-43 S6-10.2 Big Game ..................................................................... S6-45 S6-10.3 Other Mammals ........................................................... S6-45 S6-10.4 Raptors........................................................................ S6-45 S6-10.5 Upland Game Birds ..................................................... S6-46 S6-10.6 Migratory Bird Species of Management Concern in
Wyoming...................................................................... S6-47 S6-10.7 Other Species .............................................................. S6-47

S6-11 S6-12

LAND USE AND RECREATION.................................................... S6-47
CULTURAL RESOURCES ............................................................ S6-50

SECTION 6, LIST OF TABLES Table S6-1. Average Overburden and Coal Thicknesses in the South Porcupine LBA Tract ............................................................ S6-2 xi

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment TABLE OF CONTENTS (Continued) Table S6-2. Table S6-3. Table S6-4. Table S6-5. Distances to Pending LBA Tracts..........................................S6-5 Groundwater Rights for the South Porcupine LBA Tract ..... S6-12 Surface Water Rights for the South Porcupine LBA Tract ... S6-25 Acres of Topsoil Available for Reclamation Within the General Analysis Area for the South Porcupine LBA Tract.................................................................................. S6-39 Vegetation Types Identified and Mapped Within the South Porcupine LBA Tract................................................ S6-40 Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the South Porcupine LBA Tract .......................................................................... S6-48 Summary of Cultural Resource Inventories in the General Analysis Area for the South Porcupine LBA Tract ............... S6-52 Cultural Resource Sites in the General Analysis Area for the South Porcupine LBA Tract..................................... S6-53

Table S6-6.

Table S6-7.

Table S6-8.

Table S6-9.

SECTION 6, LIST OF FIGURES Figure S6-1. Geologic Cross Sections for the South Porcupine LBA Tract ...........................................................................S6-3 Declared Alluvial Valley Floors and Stream Laid Deposits Within and Adjacent to the North and South Porcupine LBA Tracts .........................................................................S6-7 Wetlands Within the General Analysis Area for the South Porcupine LBA Tract .............................................. S6-36

Figure S6-2.

Figure S6-3.

SECTION 7, REFERENCES CITED............................................................S7-1

xii

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment INTRODUCTION This document has been prepared to supplement the information provided in Chapter 3 of the Wright Area Coal (WAC)1 Lease Applications Draft Environmental Impact Statement (EIS) (BLM 2009), herein referred to as the WAC DEIS document. It is a compilation of detailed, site-specific information about the existing environmental elements within the general analysis areas associated with six tracts of federal coal reserves adjacent to operating mines in the southeastern Powder River Basin (PRB). The Bureau of Land Management (BLM) received applications from the operators of three mines in southern Campbell County, Wyoming, to lease these LBA tracts as maintenance tracts under the regulations at 43 CFR 3425, Leasing On Application. The six tracts are: the North Hilight Field, South Hilight Field, and West Hilight Field Lease by Application (LBA) Tracts as applied for by Ark Land Company (ALC); the West Jacobs Ranch LBA Tract as applied for by Jacobs Ranch Coal Company (JRCC), and the North Porcupine and South Porcupine LBA Tracts as applied for by BTU Western Resources, Inc. (BTU). Figure S-1 shows the six LBA tracts as applied for, the respective BLM study areas, and the three applicant mines’ (Black Thunder, Jacobs Ranch, and North Antelope Rochelle) existing federal coal lease boundaries. For each tract, the Proposed Action that BLM is considering in the EIS is to hold a separate competitive lease sale and issue a separate lease for the federal coal lands included in the tract as applied for. The EIS also evaluates alternate tract configurations identified by BLM for consideration for leasing. BLM is evaluating adding lands to the tracts in order to avoid bypassing coal and to increase the potential for competition for the tracts. The BLM study area for each of these six LBA tracts is defined as the original tract as applied for, plus all lands that BLM is considering adding to the tract. Figures S-2 through S-7 depict the configuration of each LBA tract as applied for and the adjacent lands that BLM is considering adding to the tract as applied for, which is identified as the “Additional Area Evaluated Under Alternative 2, BLM’s Preferred Alternative.” The general analysis area for each of these six LBA tracts is defined as the BLM study area (Alternative 2 tract configuration) plus surrounding lands within a ¼-mile perimeter that could be disturbed by mining the coal within the BLM study area where future mining disturbance could occur. The general analysis areas for the North and West Hilight Field LBA Tracts do not include lands within Black Thunder Mine’s current mine permit area, although the general analysis area for the South Hilight Field LBA Tract does include some lands within Black Thunder Mine’s current mine permit area. The general analysis area for the West Jacobs Ranch LBA Tract does not include lands within Jacobs Ranch Mine’s current mine permit area. The general analysis areas for both the North and South Porcupine LBA Tracts are almost entirely within North Antelope Rochelle Mine’s current mine permit area. The general Wright
1

Refer to page xxvi of the WAC DEIS document for a list of abbreviations and acronyms used in this supplementary information document.

Draft EIS, Wright Area Coal Lease Applications

S-1

Supplementary Information on the Affected Environment analysis area is defined as the area encompassing all six of these LBA tract general analysis areas. The Data Adequacy Standards for the Powder River Coal Region (BLM 1989) provided the basis for describing the individual resources and critical elements of the human environment (BLM 1988) that could potentially be affected if these tracts are leased and mined as proposed. This document includes more detailed information about the existing conditions of the physical, biological, and cultural resources in each LBA tracts as a supplement to the discussions on corresponding elements of the affected environment that are summarized more briefly in Chapter 3 of the WAC DEIS document.

S-2

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment
Hilight Road
BNSF & UP RR

R. 71 W.

T. 44 N.

WEST JACOBS
RANCH LBA
TRACT

R. 70 W. Kee line Road
Jacobs Road

R. 69 W.

LEGEND
T. 44 N. Existing Lease Boundaries North Hilight Field LBA Tract as Applied for North Hilight Field LBA Tract Under Alternative 2, BLM's Preferred Alternative

Shroyer Road

Small Road

NORTH HILIGHT
FIELD LBA TRACT
Jacobs Ranch Mine

West Jacobs Ranch LBA Tract as Applied for

WEST HILIGHT FIELD LBA TRACT
T. 43 N. T. 43 N.
way

West Jacobs Ranch LBA Tract Under Alternative 2, BLM's Preferred Alternative

Sta

Black Thunder Mine

High

West Hilight Field LBA Tract as Applied for West Hilight Field LBA Tract Under Alternative 2, BLM's Preferred Alternative West Hilight Field LBA Tract Under Alternative 3

450

Matheson Road

Edwards Road

Reno Road
Antel ope R oad

S ch

ool

Cr ee k

Ro ad

SOUTH HILIGHT FIELD LBA TRACT

BNSF & UP RR

South Hilight Field LBA Tract as Applied for South Hilight Field LBA Tract Under Alternative 2, BLM's Preferred Alternative

T. 42 N.

Reno Road

T. 42 N.

North Porcupine LBA Tract as Applied for
Mackey Road

North Antelope Rochelle Mine
Matheson Road

North Porcupine LBA Tract Under Alternative 2, BLM's Preferred Alternative

NORTH PORCUPINE LBA TRACT SOUTH PORCUPINE LBA TRACT
Campbell County Converse County

South Porcupine LBA Tract as Applied for T. 41 N. South Porcupine LBA Tract Under Alternative 2, BLM's Preferred Alternative

T. 41 N.

pe lo te An
BNSF & UP RR

R oad

Antelope
Mine

T. 40 N.

T. 40 N.
SCALE: 1"=3 MILES

Figure S-1. The Three WAC Mines' LBA Tracts as Applied for, the Respective BLM Study Areas, and the WAC EIS General Analysis Area.

Draft EIS, Wright Area Coal Lease Applications

S ta te H ighw 9 ay 5

R. 71 W.

R. 70 W.

R. 69 W.

S-3

Supplementary Information on the Affected Environment
R. 71 W. R. 70 W.
BNSF & UP RR

Hili ght Road

Kee line

Road

Jacobs

Shroyer Road

Road

Small Road
26
25

T. 44
N.

T. 44
N. T. 43
N.

T. 43
N. 3

BNSF & UP RR

Hilight Road

S ta
11

Hig

hwa y

450

R. 71 W. R. 70 W.

LEGEND
Black Thunder Mine Permit Boundary Existing Black Thunder Mine Federal Coal Leases North Hilight Field LBA Tract as Applied for Additional Area Evaluated Under Alternative 2, BLM's Preferred Alternative
0 3000 6000 12000

GRAPHIC SCALE (FEET)

Figure S-2. North Hilight Field LBA Tract Alternatives.

S-4

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment
R. 71 W. R. 70 W.
8 9

Hilight Road

BNSF & UP RR

Sta te

Hig

hw ay

45 0

T. 43
N. T. 42
N.

Hilight Road

Edwards Road

Reno Road

Antel ope R oad

BNSF & UP RR

R. 71 W. R. 70 W.

LEGEND
Black Thunder Mine Permit Boundary Existing Black Thunder Mine Federal Coal Leases South Hilight Field LBA Tract as Applied for Additional Area Evaluated Under Alternative 2, BLM's Preferred Alternative
0 3000 6000 12000

GRAPHIC SCALE (FEET)

Figure S-3. South Hilight Field LBA Tract Alternatives.

Draft EIS, Wright Area Coal Lease Applications

S-5

Supplementary Information on the Affected Environment
Hilight Road

R. 71 W.

Shroyer Road

Black Thunder Mine's Northwest Rail Loop Amendment Area
29 28 27

Small Road
26

T. 44
N. T. 43
N.

T. 44
N.

T. 43
2 N.

State Highway 450

LEGEND
18 17 16 15 14

Black Thunder Mine Permit Boundary Existing Black Thunder Mine Federal Coal Leases West Hilight Field LBA Tract as Applied for

Additional Area Evaluated Under Alternative 2, BLM's Preferred Alternative Additional Area Evaluated
Under Alternative 3

BNSF & UP RR

T. 43
N. T. 42 N.

T. 43
N. T. 42
N.
0 3000 6000
12000

Matheson Road

Hilight Road

Ed wa rd s 5
Ro ad

GRAPHIC SCALE (FEET)

R. 71 W.

Figure S-4. West Hilight Field LBA Tract Alternatives.

S-6

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment
R. 72 W. R. 71 W.
12 7 8

BNSF & UP RR

R. 71 W. R. 70 W.
11 12 7

Hilight Road

Shroyer Road

Small Road
26 25 30

T. 44 N. T. 43 N.

State

Highway 450

S ta
10 11

Hig hw ay

450
7

BNSF & UP RR

Hilight Road

R. 72 W. R. 71 W.

R. 71 W. R. 70 W.

LEGEND
Jacobs Ranch Mine Permit Boundary Existing Jacobs Ranch Mine Federal Coal Leases West Jacobs Ranch LBA Tract as Applied for Additional Area Evaluated Under Alternative 2, BLM's Preferred Alternative Black Thunder Mine Permit Boundary ALC's Northwest Rail Loop Amendment Area GRAPHIC SCALE (FEET)

3000

6000

12000

Figure S-5. West Jacobs Ranch LBA Tract Alternatives.

Draft EIS, Wright Area Coal Lease Applications

S-7

R. 71 W. R. 70 W.
14 13 18 16 17 15 14 13

B NS F & UP RR

Antelope Road

B NS F & UP RR

Antelope Road

S-8
15

Reno Road

22 19 20 21 22

24 23

Matheson

Road

Mackey Road

28 30 29 28

Figure S-6. North Porcupine LBA Tract Alternatives.
Mackey Road
34 31 32 35 36 33 34 35 36

T. 42 N.
Matheson Road

T. 42 N. T. 41 N.

T. 41 N.
3 6 2 1 5

Supplementary Information on the Affected Environment

R. 71 W. R. 70 W.

LEGEND
North Antelope Rochelle Mine Permit Boundary Existing North Antelope Rochelle Mine Federal Coal Leases North Porcupine LBA Tract as Applied for Additional Area Evaluated Under Alternative 2, BLM's Preferred Alternative
12000

3000

6000

Draft EIS, Wright Area Coal Lease Applications

GRAPHIC SCALE (FEET)

Supplementary Information on the Affected Environment
R. 71 W. R. 70 W.
27 26 25 30 29 28 27

Matheson Road

Antel ope R oad

T. 42 N. T. 41 N.

Matheson

Road

T. 42 N. T. 41 N.

BNSF & UP RR

Campbell County
28

30 26 25

Converse County

Road

Antelope

R. 71 W. R. 70 W.

LEGEND
North Antelope Rochelle Mine Permit Boundary Existing North Antelope Rochelle Mine Federal Coal Leases South Porcupine LBA Tract as Applied for
0 3000 6000 12000

Additional Area Evaluated Under Alternative 2, BLM's Preferred Alternative

GRAPHIC SCALE (FEET)

Figure S-7. South Porcupine LBA Tract Alternatives.

Draft EIS, Wright Area Coal Lease Applications

S-9

SECTION 1
NORTH HILIGHT FIELD LBA TRACT

Supplementary Information on the Affected Environment S1-1 TOPOGRAPHY AND PHYSIOGRAPHY The general analysis area for the North Hilight Field tract is located in the northern portion of the general Wright analysis area. The LBA tract is bound by the Burlington Northern Santa Fe & Union Pacific (BNSF & UP) railroad on the west, the existing Jacobs Ranch Mine on the south and southeast, and the existing Black Thunder Mine on the south. The topography of the tract’s general analysis area, like the area within the adjacent mines’ existing permit areas, is relatively subdued. The landscape consists primarily of gently rolling terrain broken by minor drainages and internally-drained playa areas. Drainage densities are fairly low, and the playas are common topographic and hydrologic features. The tract is located near the headwaters of, and the drainage divide between, Black Thunder Creek and North Prong Little Thunder Creek. Low-order, ephemeral tributaries of North Prong Little Thunder Creek and Black Thunder Creek drain some of the LBA tract as applied for and lands added by the BLM study area; however, much of the study area does not contribute runoff to any stream. Internally-drained ephemeral streams, such as Springen Draw, and playas have formed in the lowest portion of these non contributing drainage areas. Elevations range from 4,748 feet to 4,950 feet within the LBA tract as applied for, from 4,748 feet to 5,130 feet within the BLM study area, and from 4,693 feet to 5,170 feet within the tract’s general analysis area. Slopes within the tract’s general analysis area range from essentially flat in the lower portion of the Springen Draw drainage and the eastern portion of the BLM study area where playa areas dominate the landscape, to a maximum of 49 percent in the north-central portion of the BLM study area, near the highest elevations and the drainage divide. The slopes of the gently rolling uplands, which comprise most (about 80 percent) of the tract’s general analysis area, seldom exceed 5 percent. S1-2 GEOLOGY Stratigraphic units in the general analysis area include, in descending order, recent (Holocene age) alluvial and eolian deposits, the Eocene age Wasatch Formation (the overburden), and the Paleocene age Fort Union Formation (which contains the target coal beds). The majority of the recent surficial deposits in the general analysis area are reworked Wasatch Formation residuum or deposits that are of mixed alluvial and eolian nature. The lithologies of these unconsolidated deposits represent materials eroded locally from the Wasatch Formation and reflect relatively near-source deposition. There are thin alluvial deposits along ephemeral streams and closed basin drainage channels. These alluvial deposits typically consist primarily of poorly to well-sorted, irregularly bedded to laminated, unconsolidated sand, silt, and clay with minor intervals of fine gravel. Eolian processes have reworked some of the surficial sands and silts, resulting in isolated deflation basins having no natural drainage. These internally-drained Draft EIS, Wright Area Coal Lease Applications S1-1

Supplementary Information on the Affected Environment surface features (playas) commonly contain fine-grained sediments recently deposited from seasonal rainfall or snowmelt runoff events. The Eocene Wasatch Formation forms most of the overburden in the general analysis area. Wasatch rocks are exposed on the surface in some locations, particularly along steeper slopes formed by the more erosionally resistant strata and along the breaks or the broken land dissected by small ravines and gullies. The Wasatch overburden consists of interbedded, lenticular sands/sandstones, silts/siltstones, clays and shales with thin discontinuous coal seams. Typically, units are gradational mixtures of these sediments. There is no distinct boundary between the Wasatch Formation and the underlying Paleocene Fort Union Formation. From a practical standpoint, however, the top of the mineable coal zone is considered as the contact between the two formations. Scoria (also called clinker or burn) occurs at the eastern-most edge of the BLM study area where the overlying Wasatch sedimentary rocks were baked, fused or melted in place when the underlying Wyodak coal seam burned in-situ. Within the North Hilight Field LBA Tract as applied for, there are two coal seams (referred to as Upper and Middle Wyodak) and three coal seams (referred to as Upper, Middle, and Lower Wyodak) in the BLM study area for the North Hilight Field LBA Tract (Alternative 2 configuration). Locally, the mineable seams are referred to as the upper/rider seam, the main seam, and basal seam. The seams are separated by a shale parting of variable thickness, but averages approximately 1 foot. The Lower Wyodak (basal seam) is not present over the entire BLM study area; the total coal thickness decreases in areas where it is not present. Due to quality issues, the Upper Wyodak may not be recovered. The upper coal seam within the study area averages approximately 13 feet, and the main coal seam within the study area averages approximately 48 feet, representing a cumulative coal depth of 61 feet. Table S1-1 presents the average thickness of the overburden, interburden, and the coal seams for the North Hilight Field LBA Tract. Figure S1-1 depicts two geologic cross sections (one north-south and one east-west) drawn through the LBA tract’s BLM study area. Table S1-1. Average Overburden and Coal Thicknesses in the North Hilight Field LBA Tract. Mining Unit Proposed Action (ft) Alternative 2 (ft) Overburden 246.0 246.0 Coal 61.0 61.0 Interburden 1.0 1.0 The Fort Union coal seams are subbituminous and are generally low-sulfur, low-ash coals. Typically, the coal being mined in the PRB has a lower heating value and higher sulfur content north of Gillette than south of Gillette. According to the analyses (which were done on an as-received basis) of exploration drilling samples collected in the North Hilight Field LBA Tract as S1-2 Draft EIS, Wright Area Coal Lease Applications

R. 71 W. R. 70 W.
12 7 8 9 10 11

LBA and BLM Study Area Boundary

Section A-A'

Springen Draw LBA Boundary

Springen Draw BLM Study Area Boundary

B'
4950 4800 4650
Middle Wyodak

B
4950 4800 4650 4500 4350 4200 0 3000 6000 9000 12000 15000

C'
24 19 20 21 22

T. 22 44 A N.

T. A' 2344 N. 4500
26

C
25 30 29 28 27

4350 4200

B
36 31 32 33 34 35

SECTION B-B'

R. 71 W. R. 70 W.
SCALE: 1" = 10,000'

SCALE: HORZ. 1" = 6,000', VERT. 1"=600'

CROSS SECTION LOCATION MAP

GEOLOGY

LEGEND

Interbedded Sand, Sandstone, Siltstone, Claystone and Shale Upper Wyodak Coal Middle Wyodak Coal Lower Wyodak Coal
Section A-A'

Section C-C'

Coal Creek

BLM Study Area Boundary

LBA and BLM Study Area Boundary

Section B-B'

Springen Draw

BLM Study Area Boundary

BLM Study Area Boundary Burn

Figure S1-1. Geologic Cross Sections for the North Hilight Field LBA Tract.

LBA Boundary

Draft EIS, Wright Area Coal Lease Applications
Existing Black Thunder Mine Federal Coal Leases North Hilight Field LBA Tract as Applied for North Hilight Field LBA Tract Under Alternative 2, BLM's Preferred Alternative 4950 4800 4650 4500
Lower Wyodak

4950
Upper Wyodak Middle Wyodak

4950 4800 4650 4500 4350 4200 4350 4200

4950
Upper Wyodak

4800

4800 4650 4500
Middle Wyodak Lower Wyodak

4650

4500

4350

4350 4200

4200 6000 9000 12000

3000

SECTION A-A'

15000

18000

21000

24000

27000

30000

SECTION C-C'
SCALE: HORZ. 1" = 6, 000', VERT . 1"=600'

3000

Supplementary Information on the Affected Environment

S1-3

SCALE: HORZ. 1" = 6, 000', VERT. 1"=600'

Supplementary Information on the Affected Environment applied for and the area added under Alternative 2, the average heating value of the coal is approximately 8,800 British thermal units per pound (Btu/lb), with an average of less than 0.6 percent sulfur, 5.4 percent ash, and 27.2 percent moisture. S1-3 PALEONTOLOGY Although the Wasatch Formation is known to produce fossil vertebrates of scientific significance in Wyoming, outcrops of the Wasatch Formation in the PRB are not generally well exposed and the conditions of deposition of the formation have contributed to a low preservation potential for fossils. Geologic mapping by the U.S. Geological Survey and Wyoming State Geological Survey have documented that the general Wright analysis area is underlain by sedimentary deposits of the Wasatch Formation. Geologic maps depict bedrock units that would occur at the surface in the absence of recent, unconsolidated colluvial and eolian deposits that occur widespread over the general analysis area. These surficial materials in the general Wright analysis area are derived primarily from the underlying bedrock, which consists mainly of soft shale, sandstone and coal beds, and most of these rocks weather to fine-grained material. The physical properties of the weathered materials depend largely on the mode of transportation and deposition, whether by water, gravity, or wind that account for the position of the weathered materials. Actual outcrops of the Wasatch and underlying Fort Union formations that could be prospected for fossils occur infrequently and are found most commonly in areas having the steepest slopes (i.e., rough breaks between upland areas and drainage channels). The landscape of the LBA tract’s general analysis area is not particularly suited to paleontological exposure. The general analysis area is generally rolling sagebrush shrubland and grassland. No substantial areas of bedrock exposures are found in this vicinity. Vertebrate fossils that have been described from the Wasatch Formation include mammals such as early horses, tapiroids, condylarths, primates, insectivores, marsupials, creodonts, carnivores, and multituberculates; reptiles such as crocodilians, alligators, lizards, and turtles; birds; eggs; amphibians; and fish. Non-marine invertebrates such as mollusks and ostrocods have also been described from the Wasatch. Fossil plant material is common in the Wasatch Formation. The fossil plants inventoried are primarily leaves and fossilized wood. The leaves usually occur as lignitic impressions in sandstone and siltstone and as compact masses in shale. Leaves are the most abundant fossils found during paleontological surveys and are frequently encountered during mining operations. Fossilized wood often occurs near the top of a coal seam, in carbonaceous shale or within channel sandstone. Exposures of fossil logs are common, but usually very fragmentary. Like fossil leaves, fossil logs can be readily collected in the PRB.

S1-4

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Professional archeologists, in effort to locate unique pockets of fossilized bone such as those reported elsewhere in the Wasatch Formation in the PRB, closely examined outcrop localities in conjunction with the intensive pedestrian surveys for cultural resources. Due the ubiquitous nature of fossilized tree remains and bivalve fragments in the Wasatch Formation, the recording of fossil locations was confined to unique finds. The only observed fossils were of petrified wood fragments. Fossilized wood and leaves are common and can be observed at many unrecorded locations, particularly in associated with coal outcrops. No Wasatch Formation outcrop localities produced exceptional examples and no unique finds were located within the LBA tract’s general analysis area. S1-4 AIR QUALITY S1-4.1 Existing Emission Sources In the vicinity of the North Hilight Field LBA Tract, the main sources of air pollution are surface coal mining activities, vehicular traffic, railroad traffic, and various sources associated with oil and gas production and farming and ranching activities. The closest existing coal-fired power plants to the LBA tract are the Dave Johnston plant (approximately 61 miles south-southwest) and the Wyodak Complex (approximately 48 miles north), which consists of the 90-Mw WyGen No. 1, the 335-Mw Wyodak No. 1, the 21.8-Mw Neil Simpson No. 1, the 80-Mw Neil Simpson No. 2, and two 40-Mw natural gas-fired power plants. S1-4.2 Proposed Emission Sources All of the currently proposed emission sources in the eastern PRB are discussed in Chapter 4 of the WAC DEIS document. There are currently 12 pending LBA applications, including the North Hilight Field tract. Table S1-2 provides the approximate distances from the North Hilight Field tract to each of the other 11 pending LBA tracts. S1-4.3 Historical Ambient Air Quality: Particulate Emissions Emission Producing Activities Fugitive particulate (dust) emissions are produced within the mine areas by activities such as coal and overburden blasting, excavating, loading and hauling, and large areas of disturbed land. Stationary or point sources of particulate emissions produced within the mine areas include coal crushing, handling/conveying, and storage facilities. Monitoring Results Wyoming Department of Environmental Quality/Air Quality Division (WDEQ/AQD) requires the collection of information documenting the quality of Draft EIS, Wright Area Coal Lease Applications S1-5

Supplementary Information on the Affected Environment Table S1-2. Distances to Pending LBA Tracts. LBA Tract Hay Creek II Caballo West Belle Ayr North West Coal Creek Maysdorf II West Jacobs Ranch West Hilight Field South Hilight Field North Porcupine South Porcupine West Antelope II Adjacent Mine Buckskin Caballo Belle Ayr Coal Creek Cordero Rojo Jacobs Ranch Black Thunder Black Thunder North Antelope Rochelle North Antelope Rochelle Antelope Distance from North Hilight Field 47 miles northwest 23 miles north 22 miles north 10 miles north 12 miles north Proximate 2 miles southwest 4 miles south 10 miles south 13 miles south 14 miles south

the air resource at each of the PRB surface coal mines. Each mine was required to monitor air quality for a 24-hour period every six days at multiple monitoring sites through the end of 2001. Beginning in 2002, all PM10 monitors located at the active mines are required by WDEQ/AQD to sample air quality for a 24-hour period every three days. In accordance with the Ambient Air Quality Assurance Project Plan, Black Thunder Mine operates a particulate and meteorological monitoring network. Figure 3-3 in the WAC DEIS shows the locations of the mine’s particulate (PM10 and TSP) air quality sampling sites (BTM-9, BTM-25, BTM-26, BTM-31, and BTM-36) and meteorological monitoring station. TSP was originally monitored at the Black Thunder Mine at all sites, but they began reporting particulate emissions using low-volume PM10 in 1995. The State of Wyoming added PM10 based standards in 1989 and retained the TSP standards until March 2000; therefore, the TSP standard is no longer being enforced. Black Thunder Mine continued to monitor TSP at site BTM-26 through 2007. The progression of mining operations requires that the location and number of particulate monitors be adjusted in order to provide the best documentation of the ambient air quality. Black Thunder Mine discontinued monitoring at site BTM 31 in October 2006; relocated site BTM-26 to BTM-25 in February 2008; and began monitoring at site BTM-9 in February 2008, as approved by WDEQ/AQD. There were no exceedances of the 24-hour TSP standard at the Black Thunder Mine when TSP was the federally regulated pollutant, and there have been no exceedances of the annual average PM10-based standards at the Black Thunder Mine since PM10 became the federally regulated pollutant. There were no exceedances of the 24-hour PM10-based standards at the Black Thunder Mine through 2001. From 2002 through 2007 the Black Thunder Mine had S1-6 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment experienced seven exceedances of the 24-hour PM10 standard; all at Site BTM 36. Each of the seven events occurred in conjunction with winds exceeding 20 mph, which could have qualified as a high-wind event under the Natural Events Action Plan. Prior to 2007, there was no mechanism in place to account for exceedances demonstrated to be the result of natural events. The WDEQ/AQD collaborated with the Wyoming Mining Association (WMA) to develop a Natural Events Action Plan (NEAP) for the coal mines of the PRB, based on EPA Natural Event Policy guidance. Under certain conditions, excessive PM10 concentrations resulting from dust raised by exceptionally high winds or other natural events will be treated as uncontrollable natural events. The one exceedance that was reported in 2007 at the Black Thunder Mine is currently under review by EPA as an exceptional event under the NEAP and may be treated as an uncontrollable natural event (not considered when determining the region’s air quality designation). Table S1-3 presents the average annual particulate emissions measured at the mine’s three air quality monitoring sites active from 1997 through 2008. In an effort to relate measured particulate emissions to mine activity, Black Thunder Mine’s annual coal and overburden production are included in Table S1-3. Table S1-3. Summary of Black Thunder Mine Annual Coal and Overburden Production and Particulate Emissions Monitoring Data, 1997 2008.
Average Annual Particulate Emissions1 Coal Produced (mmtpy) 37.6 42.7 48.7 60.1 67.6 65.1 62.6 66.8 62.7 67.3 65.3 68.5 Overburden Moved (mmbcy) 141.0 133.5 122.0 191.9 152.8 155.6 155.3 183.3 181.5 182.7 203.5 301.9

Year 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
1 2

BTM-26 18 23 33 31 27 25 16 21 15 29 25 19

BTM-31 N/A N/A N/A 18 26 21 16 25 26 382 N/A N/A

BTM-36 12 14 17 25 37 38 36 33 33 35 34 34

BTM-25 -----------16

BTM-9 -----------22

PM10 (in µg/m3)
Site was discontinued October 2006
Source: EPA (2009b), Shamley (2008a)

Draft EIS, Wright Area Coal Lease Applications

S1-7

Supplementary Information on the Affected Environment Control Measures The WDEQ/AQD requires the use of Best Available Control Technology (BACT) on all sources of emissions in the State of Wyoming. Black Thunder Mine practices control measures that are applicable to surface mining operations, which are outlined in Section 14 of the Wyoming Air Quality Standards and Regulations (WAQSR). Fugitive emissions are controlled with a variety of methods that the agency considers BACT. Section 3.4.2.3 in the WAC DEIS addresses a variety of dust control measures that WDEQ/AQD requires for all surface coal mines in the PRB. Additional site-specific requirements related to mine-specific layout and mining practices are typically included in the individual mine’s air quality permit, examples of which are also given in the WAC DEIS. The WDEQ/AQD has issued several new air quality permits modifying Black Thunder Mine’s air quality controls/operating procedures, and in 2008, WDEQ/AQD issued air quality permit MD-3851 to combine the Black Thunder and North Rochelle air quality permits and to allow a maximum annual production of 135 mmtpy (BTM 2008b). S1-4.4 Historical Ambient Air Quality: NO2 Emissions Emission Producing Activities Vehicular traffic, both inside and outside the areas of mining, is responsible for tailpipe emissions. Exhaust emissions from large-scale mining equipment, emissions from compressor engines used in the production of natural gas, emissions from railroad locomotives, and coal-fired power plant emissions all contain oxides of nitrogen (NOX). Tailpipe emissions consist primarily of nitrogen dioxide (NO2), carbon monoxide (CO), and volatile organic compounds (VOCs), but may also include sulfur dioxide (SO2) and other trace constituents. Overburden blasting also sometimes produces gaseous orange-colored clouds that contain NO2. NO2 is one of several products resulting from the incomplete combustion of the explosives used in the blast. Monitoring Results NO2 monitoring results are available from several currently-active air quality monitoring stations in the eastern PRB, including the Thunder Basin National Grasslands Site, located approximately 65 miles north of the Black Thunder Mine; the Campbell County Site, located approximately 30 miles northnorthwest of the Black Thunder Mine; and the Tracy Ranch Site, located about 1 mile east the Black Thunder Mine. WDEQ/AQD and the Black Thunder Mine (Tracy Ranch site only) maintain these air quality monitoring stations. The monitoring data that have been gathered from these sites, as well as other sites that are no longer monitored, are included in Section 3.4.3 of the WAC DEIS. S1-8 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Control Measures Black Thunder Mine received several reports of public exposure to NO2 from blasting prior to 2001. Measures to control or limit future such incidences when large overburden blasts are planned have been instituted at the mine. Measures to avoid impacts to the public are requirements for the Black Thunder Mine as part of a settlement agreement reached in 2000. The measures that have been implemented include notification of neighbors and workers in the general area of the mine prior to a large blast, monitoring of weather and atmospheric conditions prior to a large blast, blast detonation in daylight hours (preferably between 12:00 p.m. and 3:00 p.m.), posting signs on major public roads that enter the general mine area and on all mine access gates, and closing public roads and railroads when appropriate (Section 3.4.3.3 in the WAC DEIS includes additional information). There have been no incidents of public exposure in the southern PRB reported to the WDEQ for the past 4 years. S1-5 WATER RESOURCES The North Hilight Field LBA Tract is adjacent to both the Black Thunder and Jacobs Ranch mine’s existing permit areas; therefore, both the regional and site-specific baseline water resources around and within the North Hilight Field LBA Tract are extensively characterized in those mines’ Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD) mine permits (TBCC 2005, JRCC 2004). The following analysis is based largely on those findings. S1-5.1 Groundwater The North Hilight Field LBA Tract overlies three geologic water-bearing strata that have been or would be directly affected by mining. In descending order, these units are the recent alluvial deposits, the Wasatch Formation overburden, and the Fort Union Formation Wyodak coal seam that will be mined. The underlying, subcoal Fort Union Formation is utilized for industrial water supply at the nearby mines, but this unit is not physically disturbed by mining activities. Baseline hydrogeologic conditions within and around the Black Thunder Mine are characterized in the WDEQ/LQD mine permit (TBCC 2005), and ongoing groundwater monitoring data (depth to water and water quality) are included in the mine permit and annual reports. Black Thunder Mine’s current groundwater monitoring program is addressed in their 2007 WDEQ Annual Report (TBCC 2007), and Figure 3-20 in the Wright Area Coal Leases Draft EIS (WAC DEIS) depicts the locations of the currently active monitoring wells. Recent Alluvium The North Hilight Field LBA Tract is within the North Prong Little Thunder Creek and Black Thunder Creek watersheds. Recent alluvial deposits Draft EIS, Wright Area Coal Lease Applications S1-9

Supplementary Information on the Affected Environment associated with surface drainages within the tract’s general analysis area are generally very thin and not laterally extensive enough to be considered aquifers. In addition, these unconsolidated deposits are typically very finegrained and have very limited permeabilities, precluding any significant storage and movement of groundwater (TBCC 2005). Mapping of the area’s surficial geology (Reheis and Coates 1987, Moore and Coates 1978, and Coates 1977) shows that alluvial deposits within the LBA tract’s general analysis area occur only along Springen Draw, which is a closed basin, and the alluvial materials are comprised of fan, apron and sheet wash deposits (Figure S1-2). The portion of the North Hilight Field tract’s general analysis area that lies within the North Prong watershed is drained to the south by Mills Draw, an ephemeral tributary of North Prong. The portion of the North Hilight Field tract’s general analysis area that lies within the Black Thunder Creek watershed is drained to the northeast by Keeline Draw, an ephemeral tributary of Black Thunder Creek. Alluvial deposits have not been mapped along either of those streams. The largest portion of the LBA tract’s general analysis area does not contribute runoff to any stream and drains to natural topographic depressions. Springen Draw, for example, is formed by a relatively large closed basin (over 8,000 acres in size) into which several ephemeral draws drain (Figure S1-2). No aquifer tests on valley fill deposits have been documented in the Black Thunder Mine permit area due to the minimal saturated thickness and low transmissivity of the deposits. Hydrologic properties of the stream laid deposits are variable throughout the permit area due to variable depositional environments. Based on a comparison of soil texture and type with permeability values presented in the literature (Cedergren 1977), the average hydraulic conductivity for the valley fill streamlaid deposits and colluvium is estimated to range from 0.2 to 20 feet per day (ft/day). The specific yield of the streamlaid deposits and colluvium, as determined through laboratory analysis, was an overall transmissivity of 7x10-2 to 7x10-5 gallons per day per square foot (gpd/ft2) (TBCC 2005). Alluvial groundwater in this area is of poor quality and highly variable spatially. Available water quality data indicates alluvial groundwater from the valleys of Little Thunder Creek and North Prong Little Thunder Creek generally does not meet all of the WDEQ/WQD Standards (WDEQ/WQD 2009) for domestic and agricultural uses due to high total dissolved solids (TDS), sulfate and/or manganese concentrations. Ten monitoring wells installed to characterize alluvium at Black Thunder Mine exhibit an average TDS concentration of about 1,600 milligrams per liter (mg/L), which indicates the water is suitable for agricultural and livestock use. However, alluvial groundwater from monitoring wells BTA-24e and BTA-25 (refer to Figure 3-20 in the WAC DEIS for well locations) is not considered suitable for livestock use, as well as domestic and agricultural use (TBCC 2007).

S1-10

Draft EIS, Wright Area Coal Lease Applications

re ek

R. 71 W. R. 70 W.
11 12 7 8 9 10

oa lC

Bl ac k
11

Dr aw

es tF or k

line Kee

Th un de r

Sp ringen
17 16 15

16 14 13

k ee Cr

Jacobs Road

w Dra

Sch

ool

21 24 19

23 20

M ills

Se ction

Draw
Draw
Small Road
26 25 30 29 28 27 26

ttl e

Draw

Dra w

iple y

Figure S1-2. Stream Laid Deposits Within and Adjacent to the North Hilight Field LBA Tract.

Draft EIS, Wright Area Coal Lease Applications
33 34 35 35 36 31 32

T. 44 N. Dry

Lit ng Pro N orth
Cr ee k
No r th
1 2 6

LEGEND
T. 44 N. T. 43 N.
5 4

tle

Th un de r C re ek

T. 43 N.

Lit tle

T hu nd e r

0
Li

Pr on g
Th un de r
12

9 11

Black Thunder Mine Permit Boundary North Hilight Field LBA Tract as Applied for North Hilight Field LBA Tract Under Alternative 2, BLM's Preferred Alternative Ephemeral Stream Channel Approximate Extent of Stream-channel, Overbank, and Fan, Apron and Sheetwash Alluvial Deposits
Alluvial deposits mapped by USGS
(Moore and Coates 1978, Coates 1977)
and Jacobs Ranch Coal Company.

7 8 9 0 2500 5000 10000

Bra ter

Supplementary Information on the Affected Environment

S1-11

Ma nor

R. 71 W. R. 70 W.

ee Cr k

GRAPHIC SCALE (FEET)

Supplementary Information on the Affected Environment Wasatch Formation Within the PRB, the Wasatch Formation (the strata lying above the mineable coal, also called the overburden) consists of non-marine, fluvial and eolian deposits of interbedded sands, silts, and clays with occasional discontinuous deposits of coal, carbonaceous material and clinker. This description basically holds true for the area within and around the North Hilight Field LBA Tract. The Wasatch Formation overburden reportedly consists of approximately 80 percent claystone and siltstone beds and approximately 20 percent sandstone lenses (TBCC 2005). Saturated strata within the Wasatch are limited in areal extent and are typically thin, lenticular sandstones. The hydraulic connection between sandstone lenses is tenuous due to the intervening shale; thus, groundwater movement through the Wasatch Formation overburden is limited. The sandstone and thin coal stringers, where saturated, will yield water to wells. This water is primarily used for livestock watering. Since the saturated sandstone and coal units within the formation are not continuous, the Wasatch is not considered to be a regional aquifer. Another geologic unit that may be considered a part of the Wasatch Formation is scoria, also called clinker or burn. It consists of sediments that were baked, fused, and melted in place when the underlying coal burned spontaneously. These contact metamorphic sediments collapsed into the void left by the burned coal. Scoria deposits can be a very permeable aquifer and can extend laterally for miles in the eastern PRB. The occurrence of scoria is site specific, typically occurring in areas where coal seams crop out at the surface. The hydrologic function of scoria is to provide infiltration of precipitation and recharge to laterally contiguous overburden and coal beds. Clinker outcrop areas occur along Black Thunder Mine’s eastern permit boundary. Scoria does not occur on the general analysis area for the LBA tract. Water production from the overburden within and around the Black Thunder Mine area is typically low. Most of the overburden is composed of massive silty and clayey shales of very low permeability. Distinct zones of relatively unconsolidated, discontinuous sand bodies are also present in the overburden in the Black Thunder Mine permit area, some of which are saturated. These lenticular-shaped sand bodies are variable in nature and tend to be both vertically and horizontally isolated and discontinuous. Thicknesses range from 0 to over 300 feet. Given the low permeability of the silts and clays that isolate these sand bodies, groundwater yields from them are generally low and not extensive enough to supply a continuous, reliable yield of more than a few gallons per minute (gpm). The overburden sand bodies therefore constitute minor aquifers of interest in the Black Thunder Mine permit area (TBCC 2005). Recharge to the Wasatch Formation is predominantly from the infiltration of precipitation and lateral movement of water from adjacent scoria bodies. Regionally, groundwater is discharged from the Wasatch Formation by evaporation and transpiration, by pumping wells, by vertical leakage into the underlying coal seams, by drainage into mine excavations, and by seepage into S1-12 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment the alluvium along stream courses. Overburden in the vicinity of the North Hilight Field LBA Tract is recharged naturally by infiltration of precipitation. Additionally, artificial recharge occurs where in-channel reservoirs have been constructed for ranching operations and where coal bed natural gas (CBNG) groundwater is discharged to the surface. Overburden groundwater is not generally connected to the underlying Wyodak coal seam due to a lowpermeability stratum at the base of the overburden, which is fairly widespread in the general analysis area. However, part of the water in the overburden recharges the coal and some continues moving laterally and downward until it discharges to the surface in a drainage channel (TBCC 2005). Due to the discontinuous nature of the permeable overburden sediments, premine overburden groundwater movement generally followed the topography. Before mining, overburden groundwater flow in the vicinity of the Black Thunder Mine was generally toward, and discharged to the Little Thunder Creek and Black Thunder Creek valleys. Groundwater flow has since been affected in the mine area by the removal of overburden, and north and west of the mine by dewatering operations. Monitor well data indicate that overburden groundwater in the North Hilight Field LBA Tract general analysis area now flows toward the Black Thunder’s and neighboring mine’s open pits. Overburden groundwater levels show steady decline in areas within about ½ mile of the mine pits as a result of mine drainage. Discharge from the overburden occurs in localized areas along North Prong Little Thunder Creek, Little Thunder Creek, and Black Thunder Creek, where the static water level and the valley fill deposits are nearly the same. Insufficient information is available to quantify any discharge from the overburden that may be occurring into these surface drainages (TBCC 2005). For the Wasatch Formation as a whole in the PRB, the discontinuous nature of the water bearing units results in low overall hydraulic conductivity and low groundwater flow rates. Because of the varied nature of the aquifer units within the Wasatch, hydraulic properties are variable as well. Martin et al. (1988) reported that hydraulic conductivities within the Wasatch ranged from 10-4 ft/day to 102 ft/day, and the geometric mean hydraulic conductivity based on 203 tests was 0.2 ft/day. The geometric mean hydraulic conductivity from 70 aquifer tests using wells completed in sandstone in the Wasatch overburden was 0.35 ft/day, while that from 63 aquifer tests using wells completed in siltstone and claystone in the Wasatch overburden was 0.007 ft/day (Rehm et al. 1980). Field aquifer tests conducted for the Black Thunder Mine located south of the LBA tract indicate that the water-bearing Wasatch strata have a low hydraulic conductivity, with a range of roughly one order of magnitude (0.077 to 0.927 ft/day); with locally higher values being associated with higher sand fractions relative to the low-permeability silts and clays that make up the majority of the overburden (TBCC 2005). The quality of groundwater in the Wasatch Formation near the North Hilight Field LBA Tract is variable and generally poor. TDS concentrations measured from overburden monitoring wells at Black Thunder Mine range from about 80 Draft EIS, Wright Area Coal Lease Applications S1-13

Supplementary Information on the Affected Environment to 5,800 mg/L, averaging about 2,500 mg/L (TBCC 2005). The median TDS for the Wasatch Formation for the group of mines located between Gillette and Wright, as calculated by WDEQ/LQD based on 1,109 samples, is 2,996 mg/L (Ogle et al. 2005). Based on the analyses of over 1,000 water quality samples collected by the southern PRB mines, including Black Thunder, the median TDS concentration was 2,000 mg/L and the predominant constituents were sodium and sulfate (Ogle and Calle 2006). Overburden groundwater is generally considered to be unsuitable for domestic consumption and irrigation use, but is suitable for livestock and wildlife use. Wyodak Coal The Tongue River Member of the Fort Union Formation contains the mineable coal zone, which is often divided by partings that separate it into two or more units. The mineable coal zones are variously referred to as the Anderson and Canyon, Roland and Smith, Wyodak-Anderson, Upper and Lower Wyodak, or Wyodak seams. At the Black Thunder Mine, it is referred to as the Wyodak seam. In the North Hilight Field LBA Tract area, the Wyodak seam ranges from 60 to 110 feet thick, with an average thickness of approximately 61 feet. Due to its continuity, the Wyodak coal seam is considered a regional aquifer because it is water bearing and is laterally continuous throughout the area. Historically, the Fort Union coal seams have been a source of groundwater for domestic and livestock uses in the eastern PRB. However, due to the 1 to 3 degree west-northwest dip of the coal beds, the coal generally becomes too deep to be an economical source of stock water within a couple of miles west of the PRB surface coal mines, including Black Thunder Mine. Hydraulic conductivity within the coal seams is highly variable and reflective of the amount of fracturing the coal has undergone, as unfractured coal is virtually impermeable. Field tests indicate that the coal has a low to moderate transmissivity with a range of roughly two orders of magnitude. Localized zones of moderately high transmissivity occur due to increased fracturing. The yield of groundwater to wells and mine pits is smallest where the permeability of the coal is derived primarily from localized unloading fractures. The highest permeability is imparted to the coal by tectonic fractures. These are throughgoing fractures of areal importance created during deformation of the Powder River structural basin. The presence of these fractures can be recognized by their linear expression at the ground surface, controlling the orientation of stream drainages and topographic depressions. Due to their pronounced surface expression, these tectonic fractures are often referred to as “lineaments.” Coal permeability along lineaments can be increased by orders of magnitude over that in the coal fractured by unloading only. Such increased permeability in the coal aquifer is seen in the southeast area of the Black Thunder Mine, and is attributed to structural development that has produced additional fracturing. Coal permeability values are highly variable in the general analysis area, indicating extreme variations in the fracture densities. S1-14 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Hydraulic conductivity values range from 0.16 to 84.6 ft/day in the Black Thunder Mine area (TBCC 2005). Recharge to the coal occurs principally by infiltration of precipitation in the clinker outcrop areas along the flank of the eastern Powder River structural basin. Secondary vertical recharge from the overburden also occurs, but is highly variable. Prior to mining, the direction of groundwater flow within the areally continuous coal aquifer was generally from recharge areas westward into the basin, following the dip of the coal. Groundwater conditions varied from unconfined to confined, depending on the coal elevation and proximity to the outcrop area. Water levels were generally above the top of the coal away from the outcrop. Site-specific water-level data collected from monitoring wells by Black Thunder Mine and other Gillette area coal mining companies and presented in the Gillette Area Groundwater Monitoring Organization (GAGMO) 25-year report (Hydro-Engineering 2007) indicate that the groundwater flow directions in the Wyodak coal have been greatly influenced by surface mine dewatering and groundwater discharge associated with CBNG development. Groundwater levels observed near active mining areas prior to 1997 were likely due to mine dewatering alone and the groundwater flow direction within the coal aquifer was typically toward the mine excavations. By year 2000, groundwater level decline rates had dramatically increased because drawdown caused by widespread CBNG development west of the mines was overlapping with drawdown caused by mining operations. A continuous cone of depression existed around the Jacobs Ranch, Black Thunder, North Antelope Rochelle and Antelope mines due to their closeness to each other and the cumulative drawdown effects from pit dewatering and nearby CBNG discharges. The extent of drawdown west of the mines that is specifically attributable to mine dewatering can no longer be defined due to much greater and areally extensive drawdown caused by CBNG development. Recent coal seam water level data presented in the GAGMO 25-year report (Hydro-Engineering 2007) illustrate that approximately 40 feet of drawdown has occurred near the western edge of the North Hilight Field LBA Tract, and approximately 5 feet of drawdown has occurred near the tract’s eastern edge. The 2005 coal seam water level contours in the area of the Jacobs Ranch, Black Thunder and North Antelope Rochelle mines depict the groundwater flow direction to be entirely to the west, away from the open pits. Roughly 30 years of surface mining and 10 years of CBNG development has resulted in complete dewatering of the coal seams in localized areas, particularly near the mines’ pits and where the coal seams are structurally highest. Coal groundwater quality is typically only suitable for livestock and wildlife watering purposes because certain constituent concentrations commonly exceed many suitability criteria for domestic uses, and the water may have a high salinity and sodium hazard, which makes it unsuitable for agricultural uses. Concentrations of individual parameters may exceed the livestock Draft EIS, Wright Area Coal Lease Applications S1-15

Supplementary Information on the Affected Environment standards at some locations (Ogle and Calle 2006). Within the Black Thunder Mine area, Wyodak coal groundwater quality is generally poor, but exhibits lower TDS concentrations than alluvial or overburden groundwater. The composition of groundwater in the coal is fairly uniform and there are no seasonal or long-term trends in composition. The predominant cation is sodium, while the predominant anion is bicarbonate. Those coal monitoring wells located closer to the coal-scoria contact have greater magnesium, sodium and sulfate concentrations (TBCC 2007). A median TDS concentration of 952 mg/L was calculated by the WDEQ/LQD for the coal aquifer, based on 832 samples collected from the southern group of PRB mines, including Black Thunder (Ogle and Calle 2006). Subcoal Fort Union Formation The Fort Union Formation is divided into three members, which are, in descending order: the Tongue River Member, the Lebo Member, and the Tullock Member. The mineable coal seams occur within the Tongue River Member. The subcoal Fort Union Formation consists primarily of lithified sands and shales, and is divided into three hydrogeologic units: the upper Tongue River aquifer, the Lebo confining layer, and the Tullock aquifer (Law 1976). Of the three units, the Tullock is the most prolific in terms of groundwater yield. The most productive wells in the vicinity of the Black Thunder Mine are completed in the Tullock aquifer at a depth of 1,070 feet below ground level. Mining does not directly disturb the hydrogeologic units below the mineable coal, but many PRB mines use them for industrial water supply wells. In a few cases there have been drawdowns in the subcoal aquifer due to leakage into mine pits, dewatering, and CBNG development. The upper Tongue River aquifer consists of lenticular, fine-grained sandstone interbedded with mudstone. The Lebo confining layer is typically more fine-grained than the other two members and generally retards the movement of water (Lewis and Hotchkiss 1981). The Lebo confining layer typically separates the Tongue River and Tullock aquifers hydraulically. The Tullock aquifer consists of discontinuous lenses of sandstone separated by interbedded shale and siltstone. Transmissivity is equal to an aquifer’s hydraulic conductivity, or permeability, times the aquifer’s saturated thickness, and is commonly used when discussing the hydraulic properties of the subcoal Fort Union Formation where wells are completed by exposing many discrete sand lenses to the well bore. Transmissivities are generally higher in the deeper Tullock aquifer than in the shallower Tongue River aquifer, and many mines in the PRB have water-supply wells completed in this interval (Martin et al. 1988). The average transmissivity for the Tullock, as reported by OSM (1984), is 290 ft2/day. Three industrial water supply wells within Black Thunder Mine’s existing permit area are completed in the Fort Union Formation. Well BTFU-27-1 is completed in the upper Tongue River aquifer. Well BTFU-29-1 is completed in the Tullock aquifer; it is 2,200 feet deep, and Well BTFU-17-2 is completed in the Tullock S1-16 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment aquifer; it is 2,428 feet deep. Aquifer tests conducted on Black Thunder Mine’s production wells found the transmissivity to be between 82 ft2/day and 132 ft2/day. The locations of these mine supply wells are shown on Figure 3-20 in the WAC DEIS. The water quality of the subcoal Fort Union Formation is generally good, meeting the standards for domestic use, as well as irrigation and livestock use (Ogle and Calle 2006). TDS concentrations measured in various subcoal Fort Union Formation water supply wells in the eastern PRB range from 250 mg/L to 520 mg/L. Water from the subcoal Fort Union Formation is typically of the sodium-bicarbonate type. S1-5.2 Surface Water The Black Thunder Mine site is situated near the southern margin of the PRB, which is a broad structural trough that lies between the Big Horn Mountains and the Black Hills. The PRB is drained by three separate drainage systems: the Powder/Little Powder, the Cheyenne, and the Belle Fourche rivers. The Black Thunder Mine and North Hilight Field LBA Tract lie within the Little Thunder Creek watershed, which is a tributary of Black Thunder Creek, which is a tributary of the Cheyenne River. The topography of the Cheyenne River drainage basin is typified by broad, flat, inter-stream uplands and a wide, level expanse of eastward-sloping plains broken by a few isolated buttes. Little Thunder Creek flows from west to east through the mine’s permit area and empties into the Black Thunder Creek approximately 25 miles eastsoutheast of the North Hilight Field LBA Tract. The total drainage for Little Thunder Creek is approximately 127 square miles, and the mainstream channel is about 26 miles long. The Little Thunder Creek watershed has a dendritic drainage pattern with an approximate width (north-south) of 11.7 miles and an approximate length (east-west) of 15.3 miles. The relief of Little Thunder Creek’s basin is 490 feet from its headwaters to its confluence with the Black Thunder Creek. The Black Thunder Mine disturbs several drainages within the Little Thunder Creek watershed and Little Thunder Creek is currently diverted around the mining operation. The Black Thunder Mine is currently permitted to disturb approximately 4 percent of the Little Thunder Creek drainage basin. The entire Little Thunder Creek drainage basin was extensively studied by TBCC and the results of that study are included in the Black Thunder Mine permit (TBCC 2005). The North Hilight Field LBA Tract is adjacent to the mine’s existing permit area. The topography of the North Hilight Field LBA Tract, like the area within the mine’s existing permit area, is essentially subdued and drainage densities are fairly low and internally-drained playas are common topographic and hydrologic features. For example, an area on the LBA tract does not contribute runoff to any stream and a playa has formed in the lowest portion of this non-contributing drainage basin. This playa, being within the Little Thunder Creek watershed and within the mine’s permit area, was studied in Draft EIS, Wright Area Coal Lease Applications S1-17

Supplementary Information on the Affected Environment the evaluation of the Little Thunder Creek drainage basin. The playa is roughly 183 acres in size with a contributing drainage area of 8,164 acres. The hydrologic characteristics of these non-contributing drainages were quantified and are included in Black Thunder Mine’s current mine and reclamation permit (TBCC 2005). Figure 3-27 in the WAC DEIS depicts the surface water features within and adjacent to the North Hilight Field LBA Tract. Mills Draw, a southeast-flowing, second order ephemeral tributary of North Prong Little Thunder Creek, drains the eastern portion of the North Hilight Field LBA Tract. Near the headwaters of Mills Draw, the stream channel elevation is about 4,900 feet. Total topographic relief in the stream’s basin is 240 feet, the channel thalweg length is about 10.72 miles, and the average channel gradient is 0.0040 ft/ft. The channel elevation is about 4,900 feet where it enters the LBA tract and approximately 4,820 feet where it leaves the LBA tract. Mills Draw has a total drainage area of approximately 13.3 square miles and it drains about 29 percent of the North Hilight Field LBA Tract as applied for. Springen Draw, the non-contributing drainage to the large playa area discussed above, covers the balance (71 percent) of the LBA tract as applied for. Nearly the entire western half of the LBA tract’s BLM study area (Sections 13, 14, 23, 24, and 26, T.44N., R.71W.) is drained by the southern-flowing Springen Draw. Springen Draw is an ephemeral stream formed within a closed drainage basin that contributes no streamflow to North Prong Little Thunder Creek. The balance of the BLM study area outside of the LBA tract as applied for is drained by Keeline Draw, a northeast flowing ephemeral tributary to Black Thunder Creek, and two non-contributing drainages flowing to playas located in Sections 20, 21, and 22, T.44N., R70W. (see Figure 3-27 in the WAC DEIS). All streams within and adjacent to the LBA tract are typical for the region, in that flow events are ephemeral. Stream runoff is typically of short duration and exhibits temporal patterns similar to precipitation events. All ephemeral streams in the region show the characteristic extreme low-flow period from October through January. Flow events frequently result from snowmelt during the late winter and early spring. Although peak discharges from such events are generally small, the duration and therefore the percentage of annual runoff volume can be considerable. During the spring, general storms (both rain and snow) are more frequent; hence increasing soil moisture and decreasing infiltration capacity, and subsequent rainstorms can result in higher runoff volumes and peak discharges. Black Thunder Mine has not monitored the streamflow on Springen Draw; however, hydrographs generated using data collected from the gaging stations located on Mills Draw exhibit similar data to those found on North Prong Little Thunder Creek, which is infrequent stream flow events of very low magnitude (less than 5 cubic feet per second). Each stream flow event is separated by periods of no flow ranging in duration from 3 days to 20 months with an average length of 8 months. S1-18 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Presently, 10 in-channel reservoirs are located in the North Hilight Field LBA Tract as applied for, and an additional 13 in-channel reservoirs are located on lands added by the BLM study area. These impoundments have served to capture most of the streamflow, causing pronounced stream channel aggradation to the point at which it is difficult in places to distinguish the active channel from abandoned channel scars. The channel floor and banks are vegetated, no active erosion is evident, and the channel profile is irregular indicating the reduced streamflow cannot maintain its former gradient prior to the construction of the stock ponds. Due to the relatively small drainage areas and the storage capacities of the impoundments, streamflow events are limited and heavily regulated (TBCC 2005). North Prong Little Thunder Creek is listed in the WDEQ/WQD Surface Water Classification List as a Class 3B stream that is not known to support fish populations or drinking water supplies. Class 3B waters are intermittent or ephemeral streams with sufficient water present to normally support aquatic life including invertebrates, amphibians, or other flora and fauna at some stage of their life cycles. Class 3B waters are also characterized by frequent linear wetlands or impoundments over its entire length (WDEQ/WQD 2009). Due to the lack of natural streamflow in Mills Draw, flowing water quality samples have not been collected from the stream. Surface water samples have however been collected from Little Thunder Creek and North Prong Little Thunder Creek at Black Thunder Mine’s monitoring sites, shown on Figure 3 27 in the WAC DEIS. Insufficient data and the ephemeral flows prevent the identification of seasonal trends; however, TDS values generally range from about 300 mg/L to 5,000 mg/L, and the water type is a sodium sulfate. The streamflow and water quality in North Prong Little Thunder Creek and Little Thunder Creek are currently being monitored by the Black Thunder Mine at sites located upstream and downstream of the mine operation and the data are being reported to the WDEQ/LQD in the mine’s annual reports. S1-5.3 Water Rights The Wyoming State Engineer’s Office (SEO) administers water rights in Wyoming. Water rights are granted for both groundwater and surface water appropriations. Prior to development of water resources associated with energy development, water appropriations (either groundwater or surface water) in the PRB were typically for livestock use. Records of the SEO have been searched for groundwater rights within a 3-mile radius of the BLM study area for the North Hilight Field LBA Tract. This information is required for WDEQ permitting. The summary of the most recent search is provided below. Currently, mining companies and coal bed natural gas (CBNG) development companies hold the majority of the water rights in the search area. A more detailed listing of the non-coal mine related groundwater rights within a 3-mile radius of the LBA tract is presented in Table S1-4. Draft EIS, Wright Area Coal Lease Applications S1-19

Supplementary Information on the Affected Environment For the North Hilight Field Tract, SEO data indicate that, as of October 9, 2007, there were 609 permitted water wells within 3 miles of the tract, of which, 191 wells are owned by coal mining companies. The other 418 non-coal mine related, permitted water wells, which include 314 wells permitted for uses related to CBNG development, are permitted for the following uses:
     

314 CBNG 61 livestock 16 domestic 14 monitoring 5 industrial 8 miscellaneous

SEO records have been searched for surface water rights within a 3-mile radius of the BLM study area for the North Hilight Field LBA Tract. Like the groundwater rights, this information is also required for WDEQ permitting. A summary of the most recent search is provided below. A more detailed listing of the non-coal mine related surface water rights is presented in Table S1-5. For the North Hilight Field LBA Tract, SEO records indicate that as of October 10, 2007, there were 104 permitted surface water rights within 3 miles of the tract, of which 46 are owned by coal mining companies. The other 58 non-coal mine related, permitted surface water rights are permitted for the following uses:
  

3 livestock 1 irrigation and domestic 54 not designated

S1-20

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S1-4. Groundwater Rights for North Hilight Field LBA Tract.
Permit No.
P52336W P102852W P95947W P95948W P166939W P166940W P166941W P167210W P170555W P170556W P28607P 40/2/308W P28606P P28912W P88749W 30/8/153W P74932W P74933W P120260W P120261W P132547W P8961P P120262W P120263W P120264W P120265W P120266W P120267W P120268W P121849W P132546W P166502W P166506W P99924W P99921W P2976P P120269W

Priority
5/6/1980 7/10/1996 6/14/1994 6/14/1994 4/20/2005 4/20/2005 4/20/2005 4/20/2005 8/31/2005 8/31/2005 12/3/1974 8/17/2007 12/3/1974 1/3/1975 6/2/1992 8/7/2000 6/19/1987 6/19/1987 11/1/1999 11/1/1999 2/8/2001 7/31/1964 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 12/27/1999 2/8/2001 3/31/2005 3/31/2005 8/1/1995 8/1/1995 6/11/1961 11/1/1999

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70

SEC
1 1 1 1 1 1 1 1 1 1 2 2 3 3 3 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 6 6

QQ
NWNE NWNE SWNE SWNE NWSW NESW NWSW NESW SWNW SWNE NENE NESE NWSW NWNW NWSW NWSW SWSE SENW NWNW NWSW NENW NWSW NWNW NWSW SESW NWNE NWSE SENE SESE NENW SWSW NENW NWNE SENE NWSW NWSE NWNW

Applicant
W.R.R.I. KERR-MCGEE COAL CORP KERR-MCGEE COAL CORP KERR-MCGEE COAL CORP THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. JACOBS LAND & LIVESTOCK CO. JACOBS RANCH COAL COMPANY JACOBS LAND & LIVESTOCK CO. JACOBS LAND & LIVESTOCK COMPANY THUNDER BASIN COAL CO., LLC RIM OPERATING, INC JACOBS LAND & LIVESTOCK COMPANY JACOBS LAND & LIVESTOCK COMPANY RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC USDA FOREST SERVICE RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL COMPANY MILLS LAND & LIVESTOCK CO., INC. RIM OPERATING, INC OBS #1 JRM1-7ST JRM 1-3ST JRM 1-4ST

Facility Name

Status
GST GST GST GST GSI GST GST GST GSI GSI GST UNA GST GST GST REJ GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GST GST GST GST

Uses
MON MON MON MON MIS, DEW MIS, DEW MIS,E W MIS MIS MIS STO MON STO MON STO, MIS MIS MON MON STO, CBM STO, CBM MON STO STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM MON MON MON MON STO STO, CBM

YLD
0 0 0 0

TD
103 84 77 80

BT-2005 & BT-2131 BT-2007, BT-2127 & BT-2130 BT-2006 BT-2128 BT-2196 BT-2195 JACOBS 2 1 JRM2-1R JACOBS 3 1 KMG 9C-3 BT-PIT 4 GATHERING POINT WELL H#13-04 JRM 4 1W JRM 4 1C CBM H #11-04 CBM H #13-04 CBM H # 21-05 JACOBS #T B 85 CBM H #11-05 CBM H #13-05 CBM H #24-05 CBM H #31-05 CBM H #33-05 CBM H #42-05 CBM H #44-05 CBM H #22-05 CBM H # 14-05 01PIEZO2005 01INCLIN2005 JRM T5-11W JRM T5-10C MILLS #25 CBM H #11-06

70 100 5

380 395 370

8 5 0 200 0 0 25 25 0 4 25 25 25 25 25 25 20 10 0

255 220 240 -5 225 290.8 292 287 380 268 314 291 300 311 315 295 238 326 305

0 0 5 25

200 286 260 301

Draft EIS, Wright Area Coal Lease Applications

S1-21

Supplementary Information on the Affected Environment Table S1-4. Groundwater Rights for North Hilight Field LBA Tract (Continued).
Permit No.
P120270W P120271W P120272W P120273W P120274W P120275W P120276W P135816W P135817W P135818W P99926W 40/1/203W 40/10/202W 40/2/203W 40/3/203W 40/4/203W 40/5/203W 40/6/203W P167211W P167214W P170557W P176133W P176134W P19254P P31780W P81595W P120277W P120278W P120279W P126215W P135815W 40/9/185W P38081W P38085W P100818W P99927W P99928W P167212W

Priority
11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 6/15/2001 6/15/2001 6/15/2001 8/1/1995 6/6/2007 6/6/2007 6/6/2007 6/6/2007 6/6/2007 6/6/2007 6/6/2007 4/20/2005 4/20/2005 8/31/2005 6/20/2006 6/20/2006 9/30/1954 1/7/1976 1/8/1990 11/1/1999 11/1/1999 11/1/1999 6/9/2000 6/15/2001 6/1/2007 6/2/1977 6/2/1977 10/30/1995 8/1/1995 8/1/1995 4/20/2005

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70

SEC
6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7

QQ
NWSW SENW SESW NWNE NWSE SENE SESE SESE SENE SENW NWSE NWSW NWSW NWSW NWSW NWSW NWSW NWSW NWSW NESW SENE NWSE NESW NWSE SWNW SWSW NWNW SENW SENE NWNE SENE NWNW NWNW NWNW SWNE SWNE NESE NWSW

Applicant
RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. KENNETH & SYLVIA REVLAND RENO LIVESTOCK CORPORATION JACOBS LAND AND LIVESTOCK RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, THUNDER BASIN THUNDER BASIN THUNDER BASIN THUNDER BASIN THUNDER BASIN THUNDER BASIN THUNDER BASIN INC COAL COAL COAL COAL COAL COAL COAL

Facility Name
CBM H #13-06 CBM H #22-06 CBM H #24-06 CBM H #31-06 CBM H #33-06 CBM H #42-06 CBM H #44-06 ENL CBM H # 44-06 ENL CBM H # 42-06 ENL CBM H # 22-06 JRM T6-8W DW0742 DW0741 DW0743 DW0744 DW0745 DW0746 DW0747 BT-2114, BT-2019-2020 & BT2115 BT-2024 BT-2288 BT2073 BT2110 REVLAND #2 RENO #1 #1 SOUTH CONSOL CBM H #11-07 CBM H #22-07 CBM H #42-07 CBM H #31-07 ENL CBM H # 42-07 DW0756 BTW 16 BTR 27 JRM T7-5UC JRM T7-5C JRM T7-6W BT-2246

Status
GST GST GST GST GST GST GST GST GST GST GST UNA UNA UNA UNA UNA UNA UNA GST GST GSI GSI GSI GST GST GST GST GST GST GST GSI UNA GST GST GST GST GST GSI

Uses
STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM MON MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS STO STO STO STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM MIS MON MON MON MON MON MIS

YLD
0 25 1 25 1 25 25 10 10 10 0

TD
259 289 265 300 273 317 291 291 317 29 160

10 7

260 270

7 25 10 25 21 25 21 10 0 0 0 0 0

36 110 100 289 276 267 270 267 100 296 185 261 145

CO., LLC CO., LLC CO., LLC COMPANY, LLC COMPANY, LLC COMPANY, LLC CO.

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S1-4. Groundwater Rights for North Hilight Field LBA Tract (Continued).
Permit No.
P170550W P170551W P176127W P176127W P176129W P176130W P176131W P176132W P176136W P176140W P176141W P176145W P132544W P9681W P120245W P120246W P120248W P121847W P121848W P123659W P125923W P128064W P135820W P99923W 40/4/202W 40/5/202W 40/7/202W 40/8/202W P176135W P19251P P162567W P162568W P162569W 40/6/202W 40/9/202W P152950W P3050W P128467W 40/10/267W 40/6/267W 40/7/267W 40/8/267W

Priority
8/31/2005 8/31/2005 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 2/8/2001 7/13/1971 11/1/1999 11/1/1999 11/1/1999 12/27/199 9 12/27/199 9 2/28/2000 5/25/2000 8/4/2000 6/15/2001 8/1/1995 6/6/2007 6/6/2007 6/6/2007 6/6/2007 6/20/2006 9/30/1954 9/20/2004 9/20/2004 9/20/2004 6/6/2007 6/6/2007 8/4/2003 9/15/1969 8/17/2000 7/18/2007 7/18/2007 7/18/2007 7/18/2007

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
70 70 70 70 70 70 70 70 70 70 70 70 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
7 7 7 7 7 7 7 7 7 7 7 7 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 3 3 3 3 3 3

QQ
NWSW SWNW NWSW NWSW NWSW NWSW SWNW SWNW SWNW SWSW NWSW SWSW SWNE NENE NWSW SESW SESE SENE SENW NWNE NWNW NWSE SESW NWSE NWSW NWSW NWSW NWSW NWSW NWSE NENE SWNE NESE NESE NESE NESE SWSE SWNW SESE NENE SENE SENE

Applicant
THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. RIM OPERATING, INC BELLE FOURCHE PIPELINE CO.**GLADYS KINGTON NORWOOD RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC USDA, NATIONAL FOREST SERVICE** RIM OPERATING, INC RIM OPERATING, INC THUNDER BASIN COAL THUNDER BASIN COAL THUNDER BASIN COAL THUNDER BASIN COAL THUNDER BASIN COAL THUNDER BASIN COAL ARK LAND COMPANY RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY INC. STUART BROTHERS LANCE OIL & GAS COMPANY, INC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC

Facility Name
BT-2300 BT-2299,BT2246 DW0619 DW0619 DW0617 DW0616 DW0615 DW0614 DW0613 BT2344 BT2348 BT2346 CBM D # 32-01 SOUTH HILIGHT #1 CBM D #13-01 CBM D #24-01 CBM D #44-01 CBM D #42-01 CBM D #22-01 CBM C #31-01 CBM D #11-01 CBM D 33-01R ENL CBM D # 24-01 JRM T1-8W DW0735 DW0736 DW0738 DW0739 BT2296 REVLAND #1 REVLAND TRUST FEDERAL #41-2 4371 REVLAND TRUST FEDERAL #32-2 4371 REVLAND TRUST FEDERAL #43-2 4371 DW0737 DW0740 NPLTC-03-2 STUART #10 STUART FEDERAL 12-3-4371 WW07 WW03 WW04 WW05

Status
GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST UNA UNA UNA UNA GSI GST GST GSI GST UNA UNA GST GST GST UNA UNA UNA UNA

Uses
MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MON DOM, STO STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM MON MIS MIS MIS MIS MIS STO CBM CBM CBM MIS MIS MON STO CBM MIS MIS MIS MIS

YLD

0 30 25 25 25 25 25 25 25 25 10 0

365 346 376 359 310 310 345 377 395 326 359 141

COMPANY, LLC COMPANY COMPANY COMPANY COMPANY CO.

10 4

147 400

383

0 5 5

10.5 145 496

Draft EIS, Wright Area Coal Lease Applications

S1-23

Supplementary Information on the Affected Environment Table S1-4. Groundwater Rights for North Hilight Field LBA Tract (Continued).
Permit No.
40/9/267W P3343W P118160W P118161W P118162W P118163W P118164W P118166W P118167W P118168W P121878W P121880W P128481W P107568W P110773W P115199W P45855W P166310W P166746W P166747W P12762P P121916W P121917W P5866W P120249W P120250W P120251W P120252W P120253W P120254W P120255W P120256W P135819W P143826W P144375W 40/1/185W 40/1/267W 40/2/185W 40/2/267W 40/3/185W 40/3/267W 40/4/185W

Priority
7/18/2007 10/6/1969 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 12/29/1999 12/29/1999 8/15/2000 7/28/1997 6/22/1998 4/16/1999 10/11/1978 3/18/2005 4/1/2005 4/1/2005 12/30/1950 12/30/1999 12/30/1999 6/22/1970 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 6/15/2001 4/2/2002 5/2/2002 6/1/2007 7/18/2007 6/1/2007 7/18/2007 6/1/2007 7/18/2007 6/1/2007

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
3 4 4 4 4 4 5 5 5 5 5 5 8 9 9 9 10 10 10 10 11 11 11 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12

QQ
NESE SWNE NWSW SESW NWSE SESE SENW NWSE SENE SESE NWNW NWNE NENE NENE NESE NENE SWNE SWSE SWNE NESE SENW SWSE NESE SWNE NWNW NWSW SENW SESW NWNE NWSE SENE SESE NWNE SENE NWSE NENE NENE NENE NENE NENE NENE NENE

Applicant
THUNDER BASIN COAL CO., LLC STUART BROTHERS INC. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BARRETT RESOURCES CORP USDA FOREST SERVICE LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC USDA FOREST SERVICE LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC DALE MILLS**RENO LIVESTOCK CORPORATION RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, THUNDER BASIN THUNDER BASIN THUNDER BASIN THUNDER BASIN THUNDER BASIN THUNDER BASIN THUNDER BASIN INC. COAL COAL COAL COAL COAL COAL COAL

Facility Name
WW06 STUART #8 STUART 13-4 STUART 24-4 STUART 33-4 STUART 44-4 STUART 22-5 STUART 33-5 STUART 42-5 STUART 44-5 STUART 11-5 STUART 31-5-4371 FEDERAL 41-8-4371 STUART 1-41-9 STUART FEDERAL 42-9 ENL STUART FED. 1-41-9 MARG #13 STUART FED 34-10-4371 STUART FED 32-10-4371 STUART FED 43-10-4371 STUART #TB 37 ZIMMER 34-11 ZIMMER 43-11 HEARTSPEAR 12 CBM D #11-12 CBM D #13-12 CBM D #22-12 CBM D #24-12 CBM D #31-12 CBM D #33-12 CBM D #42-12 CBM D #44-12 ENL CBM D # 31-12 ENL. CBM D #42-12 ENL. CBM D #33-12 DW0748 CS08 DW0749 CS09 DW0750 CS10 DW0751

Status
UNA GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GSI GST GST GST ADJ GSE GSE GST GSE GST GST GST GST GST GST GST UNA UNA UNA UNA UNA UNA UNA

Uses
MIS STO CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM, MIS CBM CBM STO CBM CBM CBM STO CBM CBM STO STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM MIS MIS MIS MIS MIS MIS MIS

YLD
5 50 45 45 45 40 45 45 45 45 45 10 35 41 50 3

TD
273 617 571 590 559 702 670 628 648 717 670 701 540 542 540 383

4 10 10 25

146 442 410 212

375

25 25 25 3 10 10 15

365 392 365 375 365 365 392

CO., CO., CO., CO., CO., CO., CO.,

LLC LLC LLC LLC LLC LLC LLC

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S1-4. Groundwater Rights for North Hilight Field LBA Tract (Continued).
Permit No.
40/5/185W 40/6/185W 40/7/185W 40/8/185W 39/1/547W 39/10/546W 39/2/547W 39/3/547W 39/4/547W 39/5/546W 39/5/547W 39/5/578W 39/6/546W 39/7/546W 39/8/546W 39/9/546W P176120W P176121W P176122W P176123W P176124W P176125W P176126W P176128W P137083W P11885P P11012W P28316W P28317W P28318W P28319W P5224W P10403W P121836W P140147W P142251W P142252W P130723W P130724W P130725W P120161W P120162W P152319W P28614P P119572W P119574W

Priority
6/1/2007 6/1/2007 6/1/2007 6/1/2007 2/20/2007 2/20/2007 2/20/2007 2/20/2007 2/20/2007 2/20/2007 2/20/2007 3/5/2007 2/20/2007 2/20/2007 2/20/2007 2/20/2007 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 7/24/2001 12/31/1922 10/27/1971 9/24/1974 9/24/1974 9/24/1974 9/24/1974 4/6/1970 9/1/1971 12/27/1999 10/16/2001 1/18/2002 1/18/2002 11/8/2000 11/8/2000 11/8/2000 11/1/1999 11/1/1999 7/15/2003 12/3/1974 10/14/1999 10/14/1999

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 69 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70

SEC
12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 30 3 7 7 7 7 7 17 19 19 19 19 19 19 19 19 21 21 24 26 26 27

QQ
NENE NENE NENE NENE NESE NESE NESE SENE SENE SESE SENE SENE SESE SESE NESE NESE SESE SESE NESE NESE NESE NESE NESE NESE NENE NWSW NWNW SWNE SWNE NWNW NWNW SENW SWNW NWSW NWNW SENW SESW SWSW SWSW SWSW SESE SESE NESW NWNW SWNW SENE

Applicant
THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. KEELINE RANCH CO., INC. GUY W. EDWARDS**BLANCHE KELLY INEXCO OIL CO. FRANKLIN REALTY FRANKLIN REALTY FRANKLIN REALTY FRANKLIN REALTY OSTLUND INVESTMENTS DALE MILLS WILLIAMS PRODUCTION RMT, COMPANY RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH MINE JACOBS RANCH COAL COMPANY JACOBS RANCH MINE JACOBS RANCH COAL COMPANY RAG LAND COMPANY JACOBS LAND & LIVESTOCK CO. JACOBS RANCH MINE JACOBS RANCH COAL COMPANY JACOBS RANCH MINE JACOBS RANCH COAL COMPANY

Facility Name
DW0752 DW0753 DW0754 DW0755 DW0713 DW0712 DW0714 DW0715 DW0716 DW0707 DW0717 DW0718 DW0708 DW0709 DW0710 DW0711 DW0626 DW0627 DW0624 DW0623 DW0622 DW0621 DW0620 DW0618 BLACK THUNDER HOLE EDWARDS #11 CENTRAL WSW #5 2 X-2 X-2 (02) X-4 X-4 (02) CONRAD #1-17 MILLS JOHNSTON #1 CBM G #13-19 CBM G #11-19 CBM G #22-19 CBM G #24-19 JRM 19 - 2W40 JRM 19 - 1C40 JRM 19 - 2W40 OBS JRM 21 - 2W40 JRM 21 - 1C40 RAG #2 JACOBS 26 1 JRM 26-1K40 JRM 27-1C40

Status
UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA GSI GSI GSI GSI GSI GSI GSI GSI GST GST ADJ

Uses
MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS STO STO IND MIS MIS MIS MIS DOM, STO STO STO, CBM STO, CBM STO, CBM STO, CBM MON MON MON MON MON STO STO MON MON

YLD

3 5 350 0 0 0 0 25 7 4 10 4 0 0 0 0 0 0 8 0 0

393 10 4940 160 170 275 270 620 190 388 465 405 345 142 382 142 106 190 68 18 128

GST GST GST GST GST GST GST GST GST GST GST GSI GST GST GST

Draft EIS, Wright Area Coal Lease Applications

S1-25

Supplementary Information on the Affected Environment Table S1-4. Groundwater Rights for North Hilight Field LBA Tract (Continued).
Permit No.
39/10/540W 39/9/540W P166507W P166508W P166509W P166510W P174474W P103356W P28612P P28613P P128087W P156250W P156251W P156252W P156253W P28611P P59111W P128088W P128090W P119575W P120165W P120166W P2974P P121837W P128092W P128093W P128094W P128095W P128096W P128097W P128098W P175241W P175243W P147292W P178331W P178333W P2975P P120257W

Priority
2/13/2007 2/13/2007 3/31/2005 3/31/2005 3/31/2005 3/31/2005 12/9/2005 8/15/1996 12/3/1974 12/3/1974 8/7/2000 2/4/2004 2/4/2004 2/4/2004 2/4/2004 12/3/1974 12/29/1981 8/7/2000 8/7/2000 10/14/1999 11/1/1999 11/1/1999 6/21/1935 12/27/1999 8/7/2000 8/7/2000 8/7/2000 8/7/2000 8/7/2000 8/7/2000 8/7/2000 6/2/2006 6/2/2006 9/27/2002 10/4/2006 10/4/2006 12/21/1934 11/1/1999

TNS
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

RNG
70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70

SEC
27 27 27 27 27 27 27 28 28 28 28 28 28 28 28 29 29 29 29 29 29 29 30 30 30 30 30 30 30 30 30 30 30 30 30 30 31 31

QQ
SWNW NENW NESW NWSE SENW SENE SWSE NWNE NWNE SWSW NWSW SESW SESW SENW SENW SENE SENE NWNW NWNE SESW NENW NENW NWSE NWNW NWSW SENW SESW NWNE NWSE SENE SESE SWSW NESW NENW SESW SWSW SWNW SESW JACOBS JACOBS JACOBS JACOBS JACOBS JACOBS JACOBS JACOBS JACOBS JACOBS

Applicant
RANCH COAL COMPANY RANCH COAL COMPANY RANCH COAL COMPANY RANCH COAL COMPANY RANCH COAL COMPANY RANCH COAL COMPANY RANCH COAL COMPANY LAND AND LIVESTOCK LAND & LIVESTOCK CO. LAND & LIVESTOCK CO.

Facility Name
TWC-13,14,15 TWC-9 02INCLIN2005 03INCLIN2005 04INCLIN2005 05INCLIN2005 JACOBS RANCH MINE NO. 4 REYNOLDS #1 JACOBS 28 1 JACOBS 28 2 CBM G 13-28 JRM 28-140 JRM 28-1W40 JRM 28-2C40 JRM 28-2W40 JACOBS 29 1 JACOBS #1 CBM G 11-29 CBM G 31-29 JRM 29-2W40 JRM 29-4W40 JRM 29-3C40 MILLS #23 CBM G #11-30 CBM G 13-30 CBM G 22-30 CBM G 24-30 CBM G 31-30 CBM G 33-30 CBM G 42-30 CBM G 44-30 TW-30SWSW TW-30NESW JRM 30-1W40 DW 2006-7 DW 2006-1,2,5,6 MILLS #24 CBM G #24-31

Status
UNA UNA GSI GSI GSI GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GST GSI GSI GST GST

Uses
MIS MIS MON MON MON MON MIS STO STO STO STO, CBM MON MON MON MON DOM, STO DOM, STO STO, CBM STO, CBM MON MON MON STO STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM TST TST MON MIS MIS STO STO, CBM

YLD

500 5 10 10 0 0 0 0 0 5 7 16 8 0 0 0 5 19 19 5 10 5 0 7 0

200 360 267 261 325 250 170 260 170 292 620 395 388 60 207 382 60 383 340 325 325 315 300 375 295

RIM OPERATING, INC JACOBS RANCH COAL JACOBS RANCH COAL JACOBS RANCH COAL JACOBS RANCH COAL

COMPANY COMPANY COMPANY COMPANY

JACOBS LAND & LIVESTOCK CO. JACOBS LAND & LIVESTOCK RIM OPERATING, INC RIM OPERATING, INC JACOBS RANCH MINE JACOBS RANCH COAL COMPANY JACOBS RANCH MINE JACOBS RANCH COAL COMPANY JACOBS RANCH MINE JACOBS RANCH COAL COMPANY MILLS LAND & LIVESTOCK CO., INC. RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC JACOBS RANCH COAL CO. JACOBS RANCH COAL CO. JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY MILLS LAND & LIVESTOCK CO., INC. RIM OPERATING, INC

5 0

60 262

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S1-4. Groundwater Rights for North Hilight Field LBA Tract (Continued).
Permit No.
P121843W P128099W P128100W P128101W P128102W P128103W P128104W P175242W P147293W P147294W P166503W P178326W P178327W P178329W P178330W P28617P P89324W P120258W P128105W P128106W P156245W P28616P P78390W P78391W P120259W P156180W P156181W P156182W P156246W P156247W P156249W P156254W P156255W P156256W P156257W P156258W P156259W P174470W P28615P P78388W P78389W P28618P P28619P P78386W

Priority
12/27/1999 8/7/2000 8/7/2000 8/7/2000 8/7/2000 8/7/2000 8/7/2000 6/2/2006 9/27/2002 9/27/2002 3/31/2005 10/4/2006 10/4/2006 10/4/2006 10/4/2006 12/3/1974 9/1/1992 11/1/1999 8/7/2000 8/7/2000 2/4/2004 12/3/1974 10/26/1988 10/26/1988 11/1/1999 2/4/2004 2/4/2004 2/4/2004 2/4/2004 2/4/2004 2/4/2004 2/4/2004 2/4/2004 2/4/2004 2/4/2004 2/4/2004 2/4/2004 12/9/2005 12/3/1974 10/26/1988 10/26/1988 12/3/1974 12/3/1974 10/26/1988

TNS
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

RNG
70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70

SEC
31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 32 32 32 32 32 32 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 34 34 34 35 35 35

QQ
SESE NWNW NWSW SENW NWNE NWSE SENE NWNW NWNW NESE NESW SWNW SENW NWNW NENW SESE SESE SESE NWNW SENW NENE NESW NWSE NENE SESW NENW NWNE NWNW NWNW NWNE NENE SWNW SWNW NENW NENW NWNE NWNE SENW NWNW SWNE SWNE NWNE NWNE SENE

Applicant
RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC JACOBS RANCH COAL CO. JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS LAND & LIVESTOCK CO. JACOBS LAND AND LIVESTOCK RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC JACOBS RANCH COAL COMPANY JACOBS LAND & LIVESTOCK CO. JACOBS LAND & LIVESTOCK COMPANY JACOBS LAND & LIVESTOCK COMPANY RIM OPERATING, INC JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS LAND & LIVESTOCK CO. JACOBS LAND & LIVESTOCK COMPANY JACOBS LAND & LIVESTOCK COMPANY JACOBS LAND & LIVESTOCK CO. JACOBS LAND & LIVESTOCK CO. JACOBS LAND & LIVESTOCK COMPANY

Facility Name
CBM G #44-31 CBM G 11-31 CBM G 13-31 CBM G 22-31 CBM G 31-31 CBM G 33-31 CBM G 42-31 TW-31NW JRM 31-2W40 JRM 31-1W40 02PIEZO2005 DW 2006-17,18,19,21,22,24,25 DW 2006-16,23 DW 2006-9,10,13,14 DW 2006-8,15 JACOBS 32 1 REYNOLD'S #1 CBM G #44-32 CBM G 11-32 CBM G 22-32 4470-NENESEC32-PDW JACOBS 33 1 JRM 33 2W JRM 33 1C CBM G #24-33 4470-NENWSEC33-DW 4470-NWNESEC33-DW 4470-NWNWSEC33-DW 4470-NWNWSEC33-PDW 4470-NWNESEC33-PDW 4470-NENESEC33-PDW JRM 33-3C40 JRM 33-3W40 JRM 33-4C40 JRM 33-4W40 JRM 33-5C40 JRM 33-5W40 JACOBS RANCH MINE NO. 1 JACOBS 34 1 JRM 34 2W JRM 34 1C JACOBS 35 2 JACOBS 35 1 JRM 35 1C

Status
GST GST GST GST GST GST GST GSI GST GST GSI GSI GSI GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST

Uses
STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM TST MON MON MON MIS MIS MIS MIS STO STO STO, CBM STO, CBM STO, CBM MON STO MON MON STO, CBM MIS MIS MIS MON MON MON MON MON MON MON MON MON MIS STO MON MON STO STO MON

YLD
25 7 0 4 4 6 0 0 0

TD
283 305 245 308 290 285 285 30 75

10 7 8 9 4 0 15 0 0 0 12 18 6 0 0 0 0 0 0 0 0 0 500 5 0 0 25 20 0

273 300 285 345 330 285 110 215 220 251 160 165 305 255 175 175 260 160 250 160 206 130 210 260 110 186 300 280 40

Draft EIS, Wright Area Coal Lease Applications

S1-27

Supplementary Information on the Affected Environment Table S1-4. Groundwater Rights for North Hilight Field LBA Tract (Continued).
Permit No.
40/10/307W P78387W

Priority
8/17/2007 10/26/1988

TNS
44 44

RNG
70 70

SEC
35 35

QQ
SWNE NESE

Applicant
JACOBS RANCH COAL COMPANY KERR-MCGEE COAL CORP WY STATE BOARD OF LAND COMMISSIONERS** JACOBS RANCH COAL COMPANY WYO BOARD OF LAND COMMISSIONERS** KENNECOTT ENERGY & COAL CO. WYO BOARD OF LAND COMMISSIONERS** KENNECOTT ENERGY & COAL CO. WYO BOARD OF LAND COMMISSIONERS** KENNECOTT ENERGY & COAL CO. WYO BOARD OF LAND COMMISSIONERS** KENNECOTT ENERGY & COAL CO. RIM OPERATING, INC. MILLS LAND & LIVESTOCK CO., INC. MILLS LAND & LIVESTOCK CO., INC. RIM OPERATING, INC. ALLEN & KAREN TRIGG BOLLER/MILLS RANCH RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. BOLLER/MILLS RANCH MARIE SWINGHOLM RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC. RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC EARL A. BOLLER

Facility Name
JRM35-1R JRM 35 2C

Status
UNA GST

Uses
MON MON

YLD
0

TD
91

P128334W P107263W P107264W P107265W P107266W P141685W P2964P P2965P P141686W P125047W P143430W P143201W P143202W P143203W P143204W P143205W P143206W P143207W P143431W P85619W P122939W P122940W P122941W P122942W P122943W P122945W P122946W P161614W P122947W P122948W P122949W P137914W P137916W P137921W P41842W

8/14/2000 8/27/1997 8/27/1997 8/27/1997 8/27/1997 12/20/2001 12/21/1952 12/21/1927 12/20/2001 4/26/2000 3/25/2002 3/7/2002 3/7/2002 3/7/2002 3/7/2002 3/7/2002 3/7/2002 3/7/2002 3/25/2002 6/28/1991 1/19/2000 1/19/2000 1/19/2000 1/19/2000 1/19/2000 1/19/2000 1/19/2000 8/19/2004 1/19/2000 1/19/2000 1/19/2000 7/23/2001 7/23/2001 7/23/2001 2/16/1978

44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

70 70 70 70 70 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

36 36 36 36 36 1 2 2 2 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 8

NWSW SESW SESW NWSW SWNW NWSW NENE SENW SESE NESW SWSE SWSW NENW NESW SWNE SWSE NENE NESE SENW NESW SWNW SWSW NENW NESW SWNE NENE NESE SWSE SWNE NENE NESE SWSE NESW SWSW SESE

JRM 36-2PW GRAZ JRM36-1ST JRM36-2ST JRM36-3ST JRM36-4ST CBM C # 13-01 MILL #13 MILLS #14 CBM C # 44-02 TRIGG #1 ISENBERGER #1 CBM C #14-3 CBM C #21-3 CBM C #23-3 CBM C #32-3 CBM C #34-3 CBM C #41-3 CBM C #43-3 PAPA WELL #1 SWINGHOLM #1 CBM C #12-4 CBMC #14-4 CBMC #21-4 CBMC #23-4 CBMC #32-4 CBMC #41-4 CBMC #43-4 CBM C #34-4 CBMC #32-5 CBMC #41-5 CBMC #43-5 SWINGHOLM FEDERAL 34-5-4471 BOLLER MILLS RANCH FEDERAL 23-5-4471 BOLLER MILLS RANCH FEDERAL 14-5-4471 PRAIRIE DOG #1

GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST

STO MON MON MON MON STO, CBM STO STO STO, CBM DOM STO STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO DOM, STO CBM CBM CBM CBM CBM CBM CBM STO, CBM CBM CBM CBM CBM CBM CBM STO

25 0 0 0 0 6 5 2 3 20 3 12 9 12 10 3 0 19 3 20 6 9 13 3 12 6 20 5 7 0 4 10 10 10 5

117 108 100 98 83 445 170 60 585 160 120 565 545 565 545 585 465 565 120 220 720 720 665 725 665 565 647 625 765 705 720 705 920 802 232

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S1-4. Groundwater Rights for North Hilight Field LBA Tract (Continued).
Permit No.
P122958W P122959W P128533W P128583W P137889W P137895W P137936W P143429W P165581W P165582W P137906W P137923W P137926W P137928W P137929W P137931W P137935W P137945W P143427W P122962W P137924W P137925W P142248W P143208W P155325W P115398W P2966P P2967P P2969P P140142W P140822W P142249W P142250W P146100W P146101W P11011W

Priority
1/19/2000 1/19/2000 8/17/2000 8/22/2000 7/23/2001 7/23/2001 7/23/2001 3/25/2002 2/28/2005 2/28/2005 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 3/25/2002 1/19/2000 7/23/2001 7/23/2001 1/18/2002 3/7/2002 10/20/2003 4/22/1999 6/21/1955 12/21/1941 4/12/1962 10/16/2001 11/8/2001 1/18/2002 1/18/2002 7/19/2002 7/19/2002 10/27/1971

TNS
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
8 8 8 8 8 8 8 9 9 9 9 9 9 9 9 9 9 9 10 10 10 10 10 10 10 11 11 11 11 11 11 11 11 11 11 12

QQ
SWNW NENW SWSW SWSE SWNE NESE NENE NESE NENW NENE SWSW NENW NESE NENE SWSE NESW SWNW SWNE SESE NENW SWSW SWNW SWNE NENE NESE SWSW NENW NWNE NWSE SENE SESE NWNW NWSW SENW NWNE NWNW LANCE LANCE LANCE LANCE OIL OIL OIL OIL & & & &

Applicant
GAS GAS GAS GAS COMPANY, COMPANY, COMPANY, COMPANY, INC INC INC INC INC INC INC INC**BOB &

Facility Name
STUART 12-8-4471 STUART 21-8-4471 STUART FEDERAL 14-8-4471 STUART 34-8-4471R BOLLER MILLS RANCH FEDERAL 32-8-4471 SWINGHOLM FEDERAL 43-8-4471 SWINGHOLM FEDERAL 41-8-4471 CIRCLE #1 SWINGHOLM FED 21-9-4471 INC**TOM & BOLLER MILLS RANCH F 41-9-4471 BOLLER MILLS RANCH FEDERAL 14-9-4471 SWINGHOLM FEDERAL 21-9-4471 BOLLER MILLS RANCH FEDERAL 43-9-4471 BOLLER MILLS RANCH FEDERAL 41-9-4471 BOLLER MILLS RANCH FEDERAL 34-9-4471 BOLLER MILLS RANCH FEDERAL 23-9-4471 BOLLER MILLS RANCH FEDERAL 12-9-4471 SWINGHOLM FEDERAL 32-9-4471 HARMS #1 CBMC #21-10 BOLLER MILLS RANCH FEDERAL 41-10-4471 BOLLER MILLS RANCH FEDERAL 12-10-4471 CBM C #32-10 CBM C #41-10 CBM C #43-10 PRIDGEON #1 MILLS #15 MILLS #16 MILLS #18 CBM C #42-11 CBM C # 44-11 CBM C #11-11 CBM C #13-11 CBM C #22-11 CBM C #31-11 CENTRAL WSW #5 1

Status
GST GST GST GSI GST GST GST GST GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSE GST GST ADJ

Uses
CBM CBM CBM CBM CBM CBM CBM STO STO STO CBM CBM CBM CBM CBM CBM CBM CBM DOM CBM CBM CBM STO, CBM STO, CBM CBM, MIS STO STO STO STO STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM IND

YLD
20 30 16

TD
792 802 835

LANCE OIL & GAS COMPANY, LANCE OIL & GAS COMPANY, LANCE OIL & GAS COMPANY, BOLLER/MILLS RANCH LANCE OIL & GAS COMPANY, JAMIE SWINGHOLM LANCE OIL & GAS COMPANY, BONNIE MILLS

16 16 16 3

610 766 681 145

LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BOLLER/MILLS RANCH RIM OPERATING, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. WILLIAM/ELAINE PRIDGEON MILLS LAND & LIVESTOCK CO., INC. MILLS LAND & LIVESTOCK CO., INC. MILLS LAND & LIVESTOCK CO., INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. INEXCO OIL CO.

16 16 16 10 16 16 16 16 10 1 16 16 2 0 3 10 4 5 6 0 0 0

800 630 741 587 656 761 760 566 140 585 680 656 565 605 570 174 60 90 233 565 565 545

15 5 300

535 526 5110

Draft EIS, Wright Area Coal Lease Applications

S1-29

Supplementary Information on the Affected Environment Table S1-4. Groundwater Rights for North Hilight Field LBA Tract (Continued).
Permit No.
P2968P

Priority
12/21/1942

TNS
44

RNG
71

SEC
12

QQ
SENW

Applicant
MILLS LAND & LIVESTOCK CO., INC.

Facility Name
MILLS #17

Status
GST

Uses
STO STO, MIS, CBM STO, CBM STO, CBM STO, CBM STO STO, MIS, CBM STO, MIS, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM MON STO STO, MIS, CBM STO, MIS, CBM STO, MIS, CBM CBM STO, CBM CBM CBM CBM CBM CBM CBM STO MON MON, STO, MIS

YLD
5

TD
180

P148382W P140823W P141687W P146102W P2970P

11/8/2002 11/8/2001 12/20/2001 7/19/2002 12/21/1939

44 44 44 44 44

71 71 71 71 71

12 12 12 12 13

NWSE NWSW NWNW NWNE NESW

RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. MILLS LAND & LIVESTOCK CO., INC.

CBM C #33-12 CBM C #13-12 CBM C #11-12 CBM C # 31-12 MILLS #19

GST GST GST GST GST

5 2 7 1 5

445 620 545 365 190

P148383W

11/8/2002

NWNE

RIM OPERATING, INC.

CBM C #31-13

GST

465

P148384W P140143W P140144W P140824W P140825W P141688W P106972W P6348W

11/8/2002 10/16/2001 10/16/2001 11/8/2001 11/8/2001 12/20/2001 8/1/1997 8/17/1970

44 44 44 44 44 44 44 44

71 71 71 71 71 71 71 71

13 13 13 13 13 13 14 14

NWSE NWNW SESW NWSW SENW SENE NESE SWNW

RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. BARRETT RESOURCES CORP. CARL J. SPRINGEN

CBM C #33-13 CBM C #11-13 CBM C #24-13 CBM C #13-13 CBM C #22-13 CBM C # 42-13 DURHAM RANCH FED. 43-14A SPRINGEN #1

GST GST GST GST GST GST GST GST

2 1 7 1 0 2 0 14

465 585 446 525 505 445 820 104

P148385W

11/8/2002

SWNW

RIM OPERATING, INC.

CBM C #12-14

GST

505

P148386W

11/8/2002

NWSE

RIM OPERATING, INC.

CBM C #33-14

GST

485

P148387W P137892W P140826W P122967W P122968W P128534W P128535W P142372W P142374W P143422W P49662W

11/8/2002 7/23/2001 11/8/2001 1/19/2000 1/19/2000 8/17/2000 8/17/2000 1/31/2002 1/31/2002 3/25/2002 8/17/1979

44 44 44 44 44 44 44 44 44 44 44

71 71 71 71 71 71 71 71 71 71 71

14 14 14 15 15 15 15 15 15 16 16

SESE NENW NWNE SWNE NENE SWSW NESW SWNW NENW NESE SENW

RIM OPERATING, INC. WILLIAMS PRODUCTION RMT, COMPANY RIM OPERATING, INC. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** BOLLER/MILLS RANCH WY BOARD OF LAND COMMISSIONERS WY BOARD OF LAND COMMISSIONERS**EARL BOLLER

CBM C #44-14 BOLLER MILLS RANCH FEDERAL 21-14-4471 CBM C #31-14 MILLS 32-15-4471 MILLS 41-15-4471 MILLS FEDERAL 14-15-4471 MILLS FEDERAL 23-15-4471 MILLS 12-15-4471 MILLS 21-15-4471 SCHOOL SECTION #1 RH1-P-2-B

GST GST GST GST GST GST GST GST GST GST GST

1 1 4 7 7 7 7 16 16 10 0

465 497 525 605 560 682 597 692 727 300 750

P54646W

11/20/1980

NESE

JUMPOFF #1

325

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S1-5. Groundwater Rights for North Hilight Field LBA Tract (Continued).
Permit No.
P121862W

Priority
12/29/1999

TNS
44

RNG
71

SEC
16

QQ
SWSW

Applicant
WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC

Facility Name
STATE 14-16-4471

Status
GST

Uses
CBM

YLD
30

TD
692

P121863W

12/29/1999

NESW

STATE 23-16-4471

GST

CBM

690

P121864W

12/29/1999

SWSE

STATE 34-16-4471

GST

CBM

702

P122969W

1/19/2000

SWNW

STATE 12-16-4471

GST

CBM

710

P122970W

1/19/2000

NENW

STATE 21-16-4471

GST

CBM

823

P122971W

1/19/2000

SWNE

STATE 32-16-4471

GST

CBM

810

P122972W

1/19/2000

NENE

STATE 41-16-4471

GST

CBM

750

P122973W P55913W P55918W P55920W P66656W P66657W P66658W P66659W P66660W P69281W P69282W P69283W P69284W P69285W P69286W P72569W P72571W P112760W P122974W

1/19/2000 3/9/1981 3/9/1981 3/9/1981 3/16/1984 3/16/1984 3/16/1984 3/16/1984 3/16/1984 7/20/1984 7/20/1984 7/20/1984 7/20/1984 7/20/1984 7/20/1984 5/6/1986 5/6/1986 11/9/1998 1/19/2000

44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 17 17

NESE SENW SENW NENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SWSW SWSE

STATE 43-16-4471 ROCKY HILL C-6 ROCKY HILL OBCA-2 ROCKY HILL OBUA-3 ROCKY HILL R-1 ROCKY HILL R-2 ROCKY HILL R-3 ROCKY HILL R-4 ROCKY HILL R-5 RH-1-P-3 RH 1 - MCA-1 RH-1-DW-1 RH-1-DW-2 RH-1-DW-3 RH-1-DW-4 RH 1 P1 RH 1 MCA 3 E FORK FLOCCHINI 14-17 BOLLER MILLS 34-17-4471

GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST

CBM MON MON MON MON MON MON MON MON MON MON MON MON MON MON MON MON CBM CBM

30 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 50 30

735 733 755 260 740 730 739 739 746 752 755 744 743 743 746 752 767 754 747

Draft EIS, Wright Area Coal Lease Applications

S1-31

Supplementary Information on the Affected Environment Table S1-4. Groundwater Rights for North Hilight Field LBA Tract (Continued).
Permit No.
P123996W P128536W P128537W P137890W P137891W P137893W P13289P P112051W P113318W P121865W P121866W P121867W P121868W P121869W P123995W P137920W P143425W P121870W P121871W P121872W P121873W P121874W P121875W P121876W P121877W P3214P P128463W P128464W P142373W P145781W P145782W P145785W P2971P P2972P P121841W P121842W P123654W P123655W P132543W

Priority
3/13/2000 8/17/2000 8/17/2000 7/23/2001 7/23/2001 7/23/2001 12/31/1943 10/6/1998 12/14/1998 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 3/13/2000 7/23/2001 3/25/2002 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 8/24/1928 8/17/2000 8/17/2000 1/31/2002 6/26/2002 6/26/2002 6/26/2002 12/21/1938 9/3/1963 12/27/1999 12/27/1999 2/28/2000 2/28/2000 2/8/2001

TNS
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
17 17 17 17 17 17 20 20 20 20 20 20 20 20 20 20 21 21 21 21 21 21 21 21 21 22 22 22 22 22 22 22 23 23 23 23 23 23 24

QQ
SWNW NESW NESE NENE SWNE NENW NWSW SWNW NWNW NENW NESW SWNE SWSW NESE SWSW NENE SENE SWNW SWSW NENW NESW SWNE SWSE NENE NESE SESE NENW SWNW NESE SWSW NESW SWSE NWNE NWSE NWSE NWNE SESE SENE NESW

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, DURHAM MEAT CO. LANCE OIL & GAS COMPANY, LANCE OIL & GAS COMPANY, LANCE OIL & GAS COMPANY, LANCE OIL & GAS COMPANY, LANCE OIL & GAS COMPANY, LANCE OIL & GAS COMPANY, LANCE OIL & GAS COMPANY, LANCE OIL & GAS COMPANY, INC INC INC INC INC INC INC INC INC

Facility Name
DURHAM RANCH 12-17-4471 BOLLER MILLS FEDERAL 23-17 4471 BOLLER MILLS FEDERAL 43-17 4471 BOLLER MILLS RANCH FEDERAL 41-17-4471 BOLLER MILLS RANCH FEDERAL 32-17-4471 BOLLER MILLS RANCH FEDERAL 21-17-4471 DURHAM MEAT #36 EAST FORK FLOCCHINI 12-20 E FORK FLOCCHINI 11-20 BOLLER-MILLS 21-20-4471 BOLLER-MILLS 23-20-4471 BOLLER-MILLS 32-20-4471 BOLLER-MILLS 34-20-4471 BOLLER-MILLS 43-20-4471 DURHAM RANCH 14-20-4471 BOLLER MILLS FEDERAL 41-20 4471 RANCH HOUSE WELL #1 DOROUGH TRUST 12-21-4471 DOROUGH TRUST 14-21-4471 DOROUGH TRUST 21-21-4471 DOROUGH TRUST 23-21-4471 DOROUGH DOROUGH DOROUGH DOROUGH TRUST TRUST TRUST TRUST 32-21-4471 34-21-4471 41-21-4471 43-21-4471

Status
GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GST GST GST GST GST GST GST GST GST GST

Uses
CBM CBM CBM CBM CBM CBM STO CBM CBM CBM CBM CBM CBM CBM CBM CBM DOM, STO CBM CBM CBM CBM CBM CBM CBM CBM DOM, STO CBM CBM CBM CBM CBM CBM STO STO STO, CBM STO, CBM STO, CBM STO, CBM MON

YLD
30 7 7 7 7 7 4 50 50 40 40 40 40 40 25 7 15 45 45 45 45 45 45 45 45 10 7 7

TD
810 761 762 759 802 630 108 792 781 802 747 722 686 642 801 710 140 630 623 661 590 630 580 763 650 50 602 706

LANCE OIL & GAS COMPANY, INC BOLLER/MILLS RANCH LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT COMPANY** LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC FERIBA F. FERGUSON LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC. DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC. DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC. MILLS LAND & LIVESTOCK CO., INC. MILLS LAND & LIVESTOCK CO., INC. RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC

FERGUSON #1 MILLS FEDERAL 21-22-4471 MILLS FEDERAL 12-22-4471 FERGUSON 43-2-4471 FERGUSON #14-22 FERGUSON #23-22 FERGUSON #34-22 MILLS #20 MILLS #21 CBM C #33-23 CBM C #31-23 CBM C #44-23 CBM C #42-23 CBM C # 23-24

0 0 0 6 5 0 12 2 15 0

603 573 502 90 42 369 415 365 395 365

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S1-4. Groundwater Rights for North Hilight Field LBA Tract (Continued).
Permit No.
P19252P P123653W P123656W P123892W P128289W P128290W P128297W P140145W P140146W P2973P P121839W P121840W P123657W P123658W P123891W P123893W P128291W P128292W P170774W P170775W P170776W P170777W P170778W P170779W P151454W P151455W P151457W P151458W P166504W P178332W P121838W P128068W P128069W P128070W P128293W

Priority
12/31/1920 2/28/2000 2/28/2000 3/6/2000 8/14/2000 8/14/2000 8/14/2000 10/16/2001 10/16/2001 12/31/1946 12/27/1999 12/27/1999 2/28/2000 2/28/2000 3/6/2000 3/6/2000 8/14/2000 8/14/2000 10/28/2005 10/28/2005 10/28/2005 10/28/2005 10/28/2005 10/28/2005 5/2/2003 5/2/2003 5/2/2003 5/2/2003 3/31/2005 10/4/2006 12/27/1999 8/4/2000 8/4/2000 8/4/2000 8/14/2000

TNS
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
24 24 24 24 24 24 24 24 24 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 26 26 26 26 26

QQ
NESW NWNW NWSW SESW NWSE SESE SENW NWNE SENE SENE NWSE NWNE NWNW NWSW SESW SENW SENE SESE SESE SESE NENE NENE SWNW SWNW NWNW NWNE SENW NWSW SENW SESE NWNE SESE SENE NWSE NWNW

Applicant
ARK LAND COMPANY RIM OPERATING, INC WILLIAMS PRODUCTION RMT, COMPANY RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC. RIM OPERATING, INC. MILLS LAND & LIVESTOCK CO., INC. RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC JACOBS RANCH COAL JACOBS RANCH COAL JACOBS RANCH COAL JACOBS RANCH COAL JACOBS RANCH COAL JACOBS RANCH COAL JACOBS RANCH COAL JACOBS RANCH COAL JACOBS RANCH COAL JACOBS RANCH COAL JACOBS RANCH COAL JACOBS RANCH COAL RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC

Facility Name
REVLAND #4 CBM C #11-24 CBM C #13-24 CBM C #24-24 CBM C #33-24 CBM C #44-24 CBM C #22-24 CBM C #31-24 CBM C #42-24 MILLS #22 CBM C #33-25 CBM C #31-25 CBM C #11-25 CBM C #13-25 CBM C #24-25 CBM C #22-25 CBM C #42-25 CBM C #44-25 TW-25SE1 TW-25SE2 TW-25NE1 TW-25NE2 TW-25NW1 TW-25NW2 JRM-DW-25-1 JRM-DW-25-2 JRM-DW-25-4 JRM-DW-25-5 03PIEZO2005 DW 2006-3,4 CBM C #31-26 CBM C 44-26 CBM C 42-26 CBM C 33-26 CBM C #11-26

Status
GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GSI GSI GSI GSI GSE GSE GSE GSE GSI GSI GST GST GST GST GST

Uses
STO STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM TST TST TST TST TST TST MIS MIS MIS MIS MON MIS STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM

YLD
10 15 10 2 13 18 10 0 7 4 0 0 25 Unkn own 18 0 11 20

TD
75 407 371 338 380 375 385 425 405 90 326 328 327 357 355 324 350 345

CO. CO. CO. CO. CO. CO. COMPANY COMPANY COMPANY COMPANY COMPANY COMPANY

0 0 0 25 33

348 385 300 405 422

Draft EIS, Wright Area Coal Lease Applications

S1-33

Supplementary Information on the Affected Environment Table S1-4. Groundwater Rights for North Hilight Field LBA Tract (Continued).
Permit No.
P128294W P128295W P128296W P135821W P135822W P135823W P170780W P170781W P175240W P120167W P3215P P3216P P118863W P118864W P128584W P128585W P131375W P131376W P145783W P145786W P118170W P118171W P118865W P118866W P121902W P121903W P121904W P121905W P92738W P118172W P118173W P121906W P121907W P121908W P121909W P121910W P121911W P118174W P118175W P118184W P118185W P118186W P118187W

Priority
8/14/2000 8/14/2000 8/14/2000 6/15/2001 6/15/2001 6/15/2001 10/28/2005 10/28/2005 6/2/2006 11/1/1999 7/16/1930 10/17/1944 9/1/1999 9/1/1999 8/22/2000 8/22/2000 12/4/2000 12/4/2000 6/26/2002 6/26/2002 8/6/1999 8/6/1999 9/1/1999 9/1/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 9/3/1993 8/6/1999 8/6/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999

TNS
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
26 26 26 26 26 26 26 26 26 26 27 27 27 27 27 27 27 27 27 27 28 28 28 28 28 28 28 28 29 29 29 29 29 29 29 29 29 32 32 32 32 32 32

QQ
NWSW SENW SESW SESW NWSW NWNW NESE NESE NWNE NENE SENE SENE SWSW NESW SWSE NESE SWNW NENW SWNE NENE SWSW NESW SWSE NESE SWNW NENW SWNE NENE SESE SWSE NESE SWNW SWSW NENW NESW SWNE NENE SWNE NENE SWSW NESW SWSE NESE

Applicant
RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC JACOBS RANCH COAL CO. JACOBS RANCH COAL CO. JACOBS RANCH COAL CO. JACOBS RANCH MINE JACOBS RANCH COAL COMPANY W. L. FERGUSON W. L. FERGUSON LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC. DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC. DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC. DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC JAMES R. AND IRENE STUART LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC

Facility Name
CBM C #13-26 CBM C #22-26 CBM C #24-26 ENL CBM C # 24-26 ENL CBM C # 13-26 ENL CBM C # 11-26 TW-26SE1 TW-26SE2 TW-26NE JACOBS RANCH MINE JRM 26 2W41 FERGUSON #1 FERGUSON #2 CHITTENDEN 14-27 CHITTENDEN 23-27 FERGUSON 34-27-4471 FERGUSON 43-27-4471 FERGUSON #12-27 FERGUSON #21-27 FERGUSON #32-27 FERGUSON #41-27 STUART 14-28 STUART 21-28 CHITTENDEN 34-28 CHITTENDEN 43-28 SNODGRASS 12-28-4471 SNODGRASS 21-28-4471 SNODGRASS 32-28-4471 SNODGRASS 41-28-4471 ALICE #2 STUART 34-29 STUART 43-29 STUART 12-29-4471 STUART 14-29-4471 STUART 21-29-4471 STUART 23-29-4471 STUART 32-29-4471 STUART 41-29-4471 STUART 32-32 STUART 41-32 FLOCCHINI 14-32 FLOCCHINI 23-32 FLOCCHINI 34-32 FLOCCHINI 43-32

Status
GST GST GST GST GST GST GSI GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST

Uses
STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM TST TST TST MON DOM DOM, STO CBM CBM CBM CBM STO, CBM STO, CBM STO, CBM STO, CBM CBM CBM CBM CBM CBM CBM CBM CBM STO CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM

YLD
25 25 25 10 10 10

TD
437 407 427 427 437 422

0 10 10 45 45 30 30 0 0 19 13 45 45 45 45 45 45 45 40 6 40 45 45 45 40 45 45 45 65 40 65 65 65 65

105 24 100 503 523 501 501 571 527 512 458 607 582 557 542 622 609 565 583 100 683 642 742 722 682 690 642 662 640 622 730 695 652 620

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S1-4. Groundwater Rights for North Hilight Field LBA Tract (Continued).
Permit No.
P118868W P118869W P118176W P118177W P118178W P118179W P118180W P118181W P118182W P152948W P5971W P5972W P92345W P128453W P128454W P128455W P128456W P136616W P136617W P145784W P145787W 40/4/267W 40/5/267W 40/6/277W P19250P P30419W P128066W P128067W P143825W P146103W P146104W P121835W P121844W P121845W P121846W P125924W P125925W P125926W

Priority
9/1/1999 9/1/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/4/2003 5/29/1970 5/29/1970 7/20/1993 8/17/2000 8/17/2000 8/17/2000 8/17/2000 7/2/2001 7/2/2001 6/26/2002 6/26/2002 7/18/2007 7/18/2007 7/25/2007 12/31/1961 7/16/1975 8/4/2000 8/4/2000 4/2/2002 7/19/2002 7/19/2002 12/27/1999 12/27/1999 12/27/1999 12/27/1999 5/25/2000 5/25/2000 5/25/2000

TNS
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
32 32 33 33 33 33 33 33 33 33 34 34 34 34 34 34 34 34 34 34 34 34 34 34 35 35 35 35 35 35 35 36 36 36 36 36 36 36

QQ
SWNW NENW SWNW SWSW NENW NESW SWNE SWSE NENE SWSE NESE NESE SWSE NESW NENW SWSW SWNW NESE SWSE SWNE NENE NESE SESE NESE SENE NENE SENE NWNE NWNE NWNW SENW NWNE NWSE NWSW NWNW SENE SENW SESW

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC THUNDER BASIN COAL COMPANY INC. STUART BROTHERS INC. STUART BROTHERS JAMES R. AND IRENE STUART LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC. DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC. THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO. ARK LAND COMPANY ARK LAND COMPANY RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC RIM OPERATING, INC** WY STATE OF LAND COMMISSIONERS RIM OPERATING, INC** WY STATE OF LAND COMMISSIONERS RIM OPERATING, INC** WY STATE OF LAND COMMISSIONERS RIM OPERATING, INC** WY STATE OF LAND COMMISSIONERS RIM OPERATING, INC** WY STATE OF LAND COMMISSIONERS RIM OPERATING, INC** WY STATE OF LAND COMMISSIONERS

Facility Name
STUART 12-32 STUART 21-32 STUART 12-33 STUART 14-33 STUART 21-33 STUART 23-33 STUART 32-33 STUART 34-33 STUART 41-33 NPLTC-03-01 SWP #1 SWP #2 ALICE #1 STUART FEDERAL STUART FEDERAL STUART FEDERAL STUART FEDERAL STUART FEDERAL STUART FEDERAL

Status
GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST UNA UNA UNA GST GST GST GST GST GSE GSE GST GST GST GST GST GST GST

Uses
CBM CBM CBM CBM CBM CBM CBM CBM CBM MON STO STO DOM CBM CBM CBM CBM CBM CBM CBM CBM MIS MIS MIS DOM, STO DOM, STO STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM

YLD
65 65 60 60 65 65 60 65 45 0 25 25 8 10 10 10 10 10 10 0 0

TD
710 692 620 577 610 579 560 505 580 9.6 245 250 630 522 495 501 518 443 480 495 446

23-34-4471 21-34-4471 14-34-4471 12-34-4471 43-34-4471 34-34-4471

FERGUSON #32-34 FERGUSON #41-34 WW01 WW02 WW08 REVLAND #5 REVLAND #1 CBM C 42-35 CBM C 31-35 ENL. CBM C #31-35 CBM C # 11-35 CBM C # 22-35 CBM C #31-36

15 25 18 25 10

125 303 425 405 405

25 17 21 18 0 25 18

296 282 386 337 262 355 390

BOARD CBM C #33-36 BOARD CBM C #13-36 BOARD CBM C #11-36 BOARD CBM C #42-36 BOARD CBM C #22-36 BOARD CBM C #24-36

Draft EIS, Wright Area Coal Lease Applications

S1-35

Supplementary Information on the Affected Environment Table S1-4. Groundwater Rights for North Hilight Field LBA Tract (Continued).
Permit No.
P128065W P170784W P170785W P170786W P170787W P178325W P178328W P33644W P28315W P10722W P11883P P11884P P11886P

Priority
8/4/2000 10/28/2005 10/28/2005 10/28/2005 10/28/2005 10/4/2006 10/4/2006 6/2/1976 9/24/1974 8/25/1971 7/15/1959 12/31/1922 8/31/1968

TNS
44 44 44 44 44 44 44 44 45 45 45 45 45

RNG
71 71 71 71 71 71 71 71 70 70 70 70 70

SEC
36 36 36 36 36 36 36 36 31 32 33 33 33

QQ
SESE NESE NESE NENW NENW SENE NENE NENE SESE NWNE SWNE SESE SWSE

Applicant
WY STATE BOARD OF LAND COMMISSIONERS** RIM OPERATING, INC JACOBS RANCH COAL CO.** WY STATE BOARD OF LAND COMMISSIONERS JACOBS RANCH COAL CO.** WY STATE BOARD OF LAND COMMISSIONERS JACOBS RANCH COAL CO.** WY STATE BOARD OF LAND COMMISSIONERS JACOBS RANCH COAL CO.** WY STATE BOARD OF LAND COMMISSIONERS JACOBS RANCH COAL COMPANY** WY STATE BOARD OF LAND COMMISSIONERS JACOBS RANCH COAL COMPANY** WY STATE BOARD OF LAND COMMISSIONERS WYO BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL CO., LLC FRANKLIN REALTY GUY W. EDWARDS GUY W. EDWARDS**BLANCHE KELLY GUY W. EDWARDS**BLANCHE KELLY GUY W. EDWARDS**BLANCHE KELLY

Facility Name
CBM C 44-36 TW-36SE1 TW-36SE2 TW-36NW1 TW-36NW2 DW 2006-20 DW 2006-11,12 ECH 6 X-1 EDWARDS #8 EDWARDS #9 EDWARDS #10 EDWARDS #12

Status
GST GSI GSI GSI GSI GSI GSI GST GST GST GST GST

Uses
STO, CBM TST TST TST TST MIS MIS MON MIS STO STO STO DOM, STO STO, MIS, CBM STO, MIS, CBM STO, CBM CBM, MIS CBM, MIS STO, CBM STO STO STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO IND STO IND MIS MIS

YLD
22

TD
313

0 0 5 3 5 7

395 120 189 60 12 120

P148380W

11/8/2002

NESW

RIM OPERATING, INC.

CBM B #23-33

GST

705

P148381W P146874W P155326W P155327W P160196W P143423W P143428W P146875W P146876W P155681W P160990W P161000W P2601W P2871W P2962P P3443W P47620W P62293W

11/8/2002 8/21/2002 10/20/2003 10/20/2003 6/18/2004 3/25/2002 3/25/2002 8/21/2002 8/21/2002 11/6/2003 1/7/2004 7/12/2004 6/12/1969 9/19/1969 12/21/1952 11/12/1969 3/6/1979 2/5/1982

45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45

71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

33 33 33 33 33 34 34 34 34 34 34 34 35 35 35 35 35 35

SWSE SWNE SWSW NESE NENE NWNW SESE NWSE SESE SWNW SESW NWNE SWSW NWNW SWSE NWNW NWNE NWNE

RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. BOLLER/MILLS RANCH BOLLER/MILLS RANCH RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. JOHN E. JACOBS JOHN E. JACOBS MILLS LAND & LIVESTOCK CO., INC. JOHN E. JACOBS INEXCO OIL CO.** CLARKE K. MILLS TRUST LESSEE INEXCO OIL COMPANY**LESSOR CLARKE K. MILLS TRUST

CBM B #34-33 CBM B # 32-33 CBM B #14-33 CBM B #43-33 CBM B #41-33 GILBERT #1 BIG SHED WELL CBM B # 33-34 CBM B # 44-34 CBM B #12-34 CBM B #24-34 CBM B #31-34 ISENBERGER #3 ISENBERGER #4 MILLS #11 ISENBERGER #5 HILIGHT WATER WELL #1 ENL HILIGHT WATER WELL #1

GST GST GST GST GST GST GST GST GST GST GST GSI GST UNA GST ADJ ADJ ADJ

9 0 2 2 4 3 10 16 12 0 10

585 625 750 570 588 50 80 465 445 590 628

7 100 5 150 15 15

155 350 150 500 1333 1333

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S1-4. Groundwater Rights for North Hilight Field LBA Tract (Continued).
Permit No.
P62470W P140140W P140141W P153526W P153539W P11009W P2963P P33643W

Priority
11/3/1982 10/16/2001 10/16/2001 8/1/2003 8/1/2003 10/27/1971 10/6/1963 6/2/1976

TNS
45 45 45 45 45 45 45 45

RNG
71 71 71 71 71 71 71 71

SEC
35 35 35 35 35 36 36 36

QQ
SESW NWSW NWSE NWNE NWNW NWNW SESE SESE

Applicant
BUTCH REYNOLDS RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. INEXCO OIL CO. MILLS LAND & LIVESTOCK CO., INC.**WYO BOARD OF LAND COMMISSIONERS THUNDER BASIN COAL COMPANY**WYO BOARD OF LAND COMMISSIONERS

Facility Name
REYNOLDS #1 CBM B #13-35 CBM B #33-35 CBM B #31-35 CBM B #11-35 CENTRAL WSW #4 1 MILLS #12 ECH 5

Status
GST GST GST GST GST ADJ GST GST

Uses
DOM, STO STO, CBM STO, CBM STO, CBM STO, CBM IND STO MON

YLD
22 9 0 0 0 200 5 0

TD
203 425 345 350 370 5000 110 232

Draft EIS, Wright Area Coal Lease Applications

S1-37

Supplementary Information on the Affected Environment
Notes for Non Mining-related Groundwater Rights within 3 Miles of the North Hilight Field LBA Tract Search Conducted October 9, 2007 Groundwater Right Township 43N 43N 43N 44N 44N 44N 45N 45N Search Area: Range 69W 70W 71W 69W 70W 71W 70W 71W

Sections 6
1-8
1-5, 9-12
7, 18-19, 30-31
1-36
1-5, 8-17, 20-29, 32-36
31-35
33-36

Water rights were searched to the nearest quarter-quarter of each section listed above. Any part of a quarter-quarter that lies within three miles of the LBA tract is included. Permit number suffixes are denoted as follows: "A" Adjudicated (finalized) rights; unless the righ is a territorial appropriation, there will be t a match in the reference column from one of the following permit types for the unadjudicated portion: "P" '"W" Stock and domestic use wells completed prior to May 24, 1969 and registered with the State Engineer's Office prior to December 31, 1972 Permits are for wells with a priority date for the date of filing with the State Engineer

Status Codes ADJ Adjudicated GSE Good standing, permitted time limits have been extended GSI Good standing incomplete; required notices not received; not yet expired GSM Good standing but map is still required GST Good standing UNA Unadjudicated Approximately 264 separate water rights with a status code of ABA (Abandoned), A&C (Abandoned and Cancelled), CAN (Cancelled), or EXP (Expired) have been eliminated from the listing provided above, as none of these well codes represent a valid current right. Use Codes CBM Coal Bed Methane DEW Dewatering DOM Domestic DRI Drilling IND Industrial STO Stock

IRR MIS MON RES TEM

Irrigation Miscellaneous Monitoring Reservoir Supply Temporary Use

Lands described in these copies are the water rights of record in the SEO database and may or may not reflect the actual situation on the ground. Failure to exercise a water right for five years, when water is available, may constitute grounds for forfeiture.

S1-38

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S1-5. Surface Water Rights for North Hilight Field LBA Tract.
Permit No.
P6174S P462S POU CR1/387A P1163S P5501R P1165S P5723S 33/4/110S P1164S CR4/254A P2343S P5938S P5724S C31/424A P1369R P8577D P27254D P4869R P5423R P845S P12398D P13319D P13320D P13321D P4086S P414S P415S P416S P417S P418S P4894S P17505S P17506S P17291S P16798S P17668S P17670S 32/3/389S P17671S P17673S

Priority
5/13/1968 10/28/1953

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

RNG
70 70 70 71 71 71 71 71 71 71 71 71 71 71 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 71 71 71 71 71 71 71 71 71 71

SEC
3 4 7 3 3 3 4 4 5 9 10 10 10 11 13 13 13 17 17 17 25 26 26 26 26 29 30 30 31 31 31 3 4 4 5 8 11 11 13 14 14

QQ
15 6 11 9 6 9 6 6 0 16 4 11 4 16 11 11 11 8 13 4 8 9 9 9 8 11 3 16 3 13 15 6 9 15 16 0 16 13 9 13 2

Applicant
JACOBS LAND & LIVESTOCK CO. INC. J.A. JACOBS

Appropriation

Facility Name

Status
UNA UNA GSI PUO ADJ PUO PUO UNA PUO

Source
BURNING COAL BANK DRAW

Uses

E. E. STUART E. E. STUART ESTATE E.E. STUART E. E. STUART ESTATE STUART BROTHERS INC. JAMES R. & IRENE STUART TRUSTS E. E. STUART ESTATE

STUART RESERVOIR

STO PETTERS BASIN DRY FORK LITTLE THUNDER SPRINGEN DRAW HAUMAN DRAW DRY FORK LITTLE THUNDER CREEK MANOR DRAW STO SCHROYER DRAW ERICKSON DRAW ZIMMER DRAW IRR, DOM BLACK THUNDER CREEK BLACK THUNDER CREEK LINE KEE DRAW KEELINE DRAW KEELINE DRAW ANDREWS DRAW NAMING ERRORS SAGE CREEK SAGE CREEK DIAMOND L. CREEK MILLS #2 DRAW MILLS #1 DRAW (17-43-70) MILLS #2 DRAW MILLS #1 DRAW (17-43-70) MILLS #1 DRAW (17-43-70) MILLS #1 DRAW (17-43-70) BULL FROG DRAW TREMBEL DRAW BULL FROG DRAW FROG LEGS DRAW BOLLER DRAW (DRNG CLOSED BASIN) SPRINGEN DRAW NO. ONE MILLS NO. 1 DRAW TRIB WEST FORK COAL CREEK ALE DRAW SPRINGEN DRAW NO. ONE

3/3/1955 3/1/1943 3/3/1955 10/10/1966 9/26/2005 3/3/1955

STUART #F.S.9-256-3 USDA, FOREST SERVICE STOCK RESERVOIR PAUL AND RUBY H. STUART USDA FOREST SERVICE HAROLD E. ZIMMER W. M. BAIRD W. M. BAIRD W. M. BAIRD LADD LUKOWICZ H. W. KEELINE**GEORGE R. KEELINE**JOE J. KEELINE H. W. KEELINE & SONS J. A. JACOBS ELLWOOD ANDERSON O. E. ANDERSON O. E. ANDERSON O. E. ANDERSON J.A. JACOBS RALPH E. MILLS RALPH E MILLS RALPH E. MILLS RALPH E.MILLS RALPH E MILLS H.T. ISENBERGER ROBERT & JAMIE SWINGHOLM ROBERT & JAMIE SWINGHOLM ROBERT & JAMIE SWINGHOLM TOM MILLS DALE MILLS TRUST DALE MILLS TRUST CLARK K. MILLS TRUST DALE MILLS TRUST DALE MILLS TRUST BLACK THUNDER RESERVOIR

8/4/1958 2/27/1967 10/10/1966

PUO PUO ADJ UNA PUO ADJ PUD PUD PUO PUO PUD PUD PUD PUD UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA

4/7/1908 4/7/1908 7/31/1981 4/28/1938 4/8/1941 7/26/1954 5/6/1914 6/30/1915 6/30/1915 8/19/1915 1/31/1962 10/7/1953 10/7/1953 10/7/1953 10/7/1953 10/7/1953 12/22/1964 10/28/2005 10/28/2005 8/23/2005 12/30/1899 9/1/2005 9/1/2005 4/11/2005 9/1/2005 9/1/2005

Draft EIS, Wright Area Coal Lease Applications

S1-39

Supplementary Information on the Affected Environment Table S1-5. Surface Water Rights for North Hilight Field LBA Tract (Continued).
Permit No.
P4857S P17278S P17401S P18371S P17175S P17176S P18314S P18372S P17667S P17669S C27/359A P17790S P946R P18350S P2344S P17672S P33346D

Priority
1/26/1963 8/23/2005 10/20/2005 12/18/2006 8/23/2005 8/23/2005 11/1/2006 12/18/2006 9/1/2005 9/1/2005

TNS
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
14 15 15 17 20 20 20 20 22 23 28 28 28 32 34 36 36

QQ
1 3 14 13 11 10 3 3 3 5 12 9 12 6 8 9 14

Applicant
CARL J. SPRINGEN DALE & EDITH MILLS DALE & EDITH MILLS BOLLER MILLS RANCH DURHAM RANCHES, INC. DURHAM RANCHES, INC. BOLLER MILLS RANCH BOLLER MILLS RANCH DALE MILLS TRUST DALE MILLS TRUST

Appropriation

Facility Name

Status
UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA

Source
SPRINGEN DRAW NO. ONE GRAVEL DRAW GRAVEL DRAW DRY DRAW SAGER DRAW SAGER DRAW DRY DRAW DRY DRAW CHEESE DRAW MILLS NO. 1 DRAW

Uses

JOHN MORTON SHEEP COMPANY JAMES & IRENE STUART TRUST JOHN MORTON SHEEP COMPANY PAUL R. STUART REVOCABLE TRUST PAUL AND RUBY H. STUART DALE MILLS TRUST E.H. OFTEDAL & SONS, INC.

THUNDER BASIN NO. 1 RESERVOIR

3/3/2006 11/30/1906 8/23/2005 8/4/1958 9/1/2005 11/2/2005

PUO UNA PUO UNA PUO UNA UNA

STO DRY DRAW DRY DRAW DRY FORK LITTLE THUNDER CREEK DWIGHT DRAW QUIGLEY DRAW NORTH SECTION 36 PLAYA (A CLOSED BASIN)

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment
Notes for Non Mining-related Surface Water Rights within 3 Miles of the North Hilight Field LBA Tract Search Conducted October 10, 2007 Surface Water Right Township 43N 43N 43N 44N 44N 44N 45N 45N Search Area: Range Sections 69W 6
70W 1-8
71W 1-5, 8-12
69W 7, 18-19, 30-31
70W 1-36
71W 1-5, 8-17, 20-29, 32-36
70W 31-35
71W 33-36

Water rights were searched to the nearest quarter-quarter of each section listed above. Any part of a quarter-quarter that lies within three miles of the LBA tract is included. Record suffixes are denoted as follows: "A" Adjudicated (finalized) rights; unless the right is a territorial appropriation, there will be a match in the reference column from one of the following permit types for the unadjudicated portion "D" Ditch or pipeline permit "E" Enlargement of a ditch or pipeline permit "R" Reservoir permit "S" Stock reservoir permit Status Codes A&C Abandoned and Cancelled ABA Abandoned AME Amended (moved) ADJ Adjudicated DSC Description CAN Cancelled ELI Eliminated EXP Expired GST Good standing REJ Rejected PU Point of use non irrigation (not actual status) PUD Point of diversion (not actual status) PUO Point of reservoir outlet (not actual status) TRA Transferred TEM Temporary UNA Unadjudicated Use Codes DOM Domestic RES Reservoir supply

IRR STO

Irrigation Stock

Approximately 47 separate water rights with a status code of ABA, A&C, AME, CAN, ELI, EXP, REJ, or TRA have been eliminated from the search area listing provided above (including those belonging to the mining companies), as none of these use codes represent a valid current right. The following quarter-quarters are designated by the “QQ” field: 1 NE¼NE¼ 9 NE¼SW¼ 10 NW¼ SW¼ 2 NW¼NE¼ 3 SW¼NE¼ 11 SW¼ SW¼ 4 SE¼NE¼ 12 SE¼ SW¼ 5 NE¼NW¼ 13 NE¼SE¼ 6 NW¼NW¼ 14 NW¼SE¼ 7 SW¼NW¼ 15 SW¼SE¼ 8 SE¼NW¼ 16 SE¼SE¼

Draft EIS, Wright Area Coal Lease Applications

S1-41

Supplementary Information on the Affected Environment S1-6 ALLUVIAL VALLEY FLOORS Under the Surface Mining Control and Reclamation Act of 1977 (SMCRA), surface coal mining operations that would interrupt, discontinue, or preclude farming on alluvial valley floors (AVFs) is prohibited unless the affected AVF is undeveloped rangeland that is not significant to farming or if the affected AVF is of such small acreage that it would have a negligible impact on a farm’s agricultural production. These restrictions also apply if AVFs that are downstream of the area proposed for mining would be affected by disruptions in streamflow. Provided Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD) determines that an AVF is not significant to agriculture, it can be disturbed by mining but must be restored as part of the reclamation process. For any designated AVF, regardless of its significance to agriculture, it must be demonstrated that the essential hydrologic functions of the AVF, both within and outside the mine area, will be protected. WDEQ regulations define AVFs as unconsolidated stream laid deposits where water availability is sufficient for subirrigation or flood irrigation agricultural activities. Guidelines established by the Office of Surface Mining Reclamation and Enforcement (OSM) and WDEQ/LQD for the identification of AVFs require detailed studies of geomorphology, soils, hydrology, vegetation, and land use. These studies are used to identify: 1) the presence of unconsolidated stream laid deposits, 2) the possibility for artificial flood irrigation, 3) past and/or present flood irrigation, and 4) apparent subirrigated areas and the possibility for natural flood irrigation. Areas that are identified as AVFs following these studies are evaluated for their significance to farming by WDEQ/LQD. In a decision by the U.S. District Court for the District of Columbia, Civil Action Number 69-1144 (1980) (known as the Flannery Decision), the court noted that an AVF must satisfy both geologic criteria (unconsolidated stream laid deposits) and hydrologic criteria (water sufficient to sustain agriculture). Therefore, the court emphasized that the key to the existence of an AVF is the presence of both geologic and water availability characteristics, which together sustain agricultural activities. Within the general analysis area for the North Hilight Field LBA Tract, there are numerous ephemeral drainages. The associated alluvial, colluvial and playa deposits are generally very thin and not laterally extensive enough to be considered aquifers. In addition, these unconsolidated deposits are typically very fine-grained and have very limited permeabilities, precluding any significant storage and movement of groundwater (TBCC 2005). Mapping of the area’s surficial geology (Reheis and Coates 1987, Moore and Coates 1978, and Coates 1977) shows that alluvial deposits within the LBA tract’s general analysis area occur only along Springen Draw, which is a closed basin, and the alluvial materials are comprised of fan, apron and sheet wash deposits (Figure S1-2). Due to its limited areal extent, limited saturated thickness, and low hydraulic conductivity, these unconsolidated alluvial deposits associated with these streams do not consistently produce enough water to be put to beneficial S1-42 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment use. In addition, the alluvial groundwater is generally of such poor quality that it does not meet WDEQ/WQD standards for agricultural use. Surface water quantity is insufficient to support natural or artificial flood irrigation practices, and historic flood irrigation attempts have not been identified along Mills Draw, Keeline Draw, or Springen Draw. Furthermore, the soils (Aeric Fluaquent, Shingle-Shake Complex, and Arvada Thick Surface (Absted) loam) that dominate the bottoms of drainages within the tract’s general analysis area are classified by the National Resource Conservation Service (NRCS) as unsuitable for irrigation. There are some areas within the LBA tract’s general analysis area that have been used as hayland. In years with sufficient precipitation, grass hay (crested wheatgrass) is harvested. Production from these fields is solely driven by early season precipitation; none is due to flood irrigation (artificial or natural) or subirrigation. Formal declarations of the presence or absence of an AVF, its significance to agriculture, and the appropriate perimeter (areal extent) would be made by the WDEQ/LQD as part of the mine permitting process. Based on previous nonAVF declarations made on Mills Draw and Springen Draw within and adjacent to the existing Jacobs Ranch Mine permit area, which includes a portion of the BLM study area for the North Hilight Field LBA Tract, it is unlikely that WDEQ/LQD would declare that any AVFs exist in the general analysis area for the North Hilight Field tract. S1-7 WETLANDS The U.S. Army Corps of Engineers (COE) administers a regulatory program under Section 404 of the Clean Water Act (CWA) for the discharge of fill or dredge materials into Waters of the United States (WoUS). This regulatory program requires that an inventory of WoUS, including wetlands, be performed, permits be acquired prior to dredging and filling jurisdictional wetlands, and that impacts to jurisdictional wetlands and Other Waters of the United States (OWUS) be adequately mitigated. Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD) regulations require that wetlands and other high valued wildlife habitat that is to be disturbed by proposed mining activities be reclaimed following mining operations. WoUS include all areas subject to regulation by the COE pursuant to the CWA, to include special aquatic sites, of which wetlands is a subset. The definition of WoUS has been very broadly interpreted to include most major water bodies, streams, intermittent drainages, mud flats, wetlands, sloughs, prairie potholes, wet meadows, playa lakes, and natural ponds. However, recent court decisions have been limiting the COE jurisdiction of some areas. Precise definitions of WoUS or navigability are ultimately dependent on judicial interpretation and cannot be made conclusively by administrative agencies (33 CFR 329). In addition, rules, regulations, policies, and procedures used in determining the extent of jurisdiction have also changed and evolved with time. Draft EIS, Wright Area Coal Lease Applications S1-43

Supplementary Information on the Affected Environment Many ephemeral channels and playas in the Powder River Basin (PRB) have, in the past, been classified as WoUS. However, several changes have occurred to the COE regulatory program over the past several years that will have a bearing on the current status of numerous areas historically classified as jurisdictional. For example, the Solid Waste Agency of Northern Crook County verses the U.S. Army Corps of Engineers (SWANCC vs COE) decision ruled that isolated waters and playas are not WoUS, and Regulatory Guidance Letter (RGL) 05-05, issued in 2005, details procedures to be used to determine identification of the Ordinary High Water Mark (OHWM). The Rapanos verses U.S. Supreme Court decision of June 19, 2006 put into question the COE’s jurisdiction over ephemeral streams and their adjacent wetlands. As a result of that ruling, the COE has placed a moratorium on the issuance of approved jurisdictional determinations which will be in place until the COE headquarters, the Environmental Protection Agency (EPA), and the Department of Justice determines how to proceed and issues appropriate legal guidance. Federal regulations limit jurisdiction to the OHWM (33 CFR 328.4). Previous delineations used the very general criteria that stated “drainages must have an active channel that exhibits relatively stable fluviogeomorphic character (i.e., the channel has a well-defined bed and grade) to be classified as Waters of the United States”. RGL 05-05 now provides a specific list of the physical characteristics that are to be evaluated to identify the presence or location of an OHWM. Evaluation of these specific physical characteristics may now lead to a determination that many of the ephemeral drainages in the PRB are not jurisdictional. Special aquatic sites are a subset of WoUS defined as “geographic areas, large or small, possessing special ecological characteristics and productivity, habitat, wildlife protection, or other important and easily disrupted ecological values” (40 CFR 230.3[q-1]). Special aquatic sites include “sanctuaries and refuges, wetlands, mud flats, vegetated shallows, coral reefs and riffle and pool complexes” (40 CFR 230, Subpart E). The wetland component of special aquatic sites is defined by the COE as “those areas inundated or saturated by surface or ground water at a frequency and duration sufficient to support, and under normal circumstances do support, a prevalence of vegetation specifically adapted for life in saturated soil conditions. Wetlands generally include swamps, marshes, bogs, and similar areas” (33 CFR 328.3 [a][7][b]. To be subject to COE jurisdiction as a wetland, an area must be located in an area determined to be a WoUS. If that criterion is met, the area must also meet all three of the following criteria:
  

Dominance of hydrophytic plant species; Presence of hydric soils; and Occurrence of continuous inundation and/or saturation to the soil surface at some time during the growing season (approximated as frost free days) for a period of time equivalent to at least 5% of the growing season. Draft EIS, Wright Area Coal Lease Applications

S1-44

Supplementary Information on the Affected Environment Thus, in describing wetlands three very different types, from a permitting perspective, may be identified. Jurisdictional wetlands are “those wetlands which are within the extent of COE’s regulatory overview” (33 CFR 328.1 and 2). To qualify, an area must be determined to be within a WoUS and meet all three wetland criteria as described in the above paragraph. Non-jurisdictional wetlands include areas that meet all three wetland criteria, although they do not have a significant nexus (connection) with traditional navigable waters. Functional wetlands are areas that may contain only one or two of the three wetland criteria identified above. The United States Fish and Wildlife Service (USFWS) uses this third categorization in producing National Wetland Inventory (NWI) maps, which are based on aerial photo interpretation with limited field verification. Black Thunder Mine (BTM) acquired COE authorization under Nationwide Permit (NWP) 21 in 1994, and then under Programmatic General Permit 99-03 (GP 99-03) on March 22, 2001. The correspondence identified that GP 99-03 authorization was valid as long as the WDEQ/LQD permit 233-T6 was valid, and also removed jurisdiction over playas (isolated wetlands). GP 99-03 was then cancelled, and COE authorization under NWP 21 was again granted for the permit 233-T7 term. NWP 21 expired in March 2007, and the mine is currently operating under the permit clause that allows work under contract to continue for up to one year. The mine applied for the new NWP 21 in the winter of 2007. An approved wetland replacement mitigation plan is contained in BTM’s WDEQ/LQD Mine Permit, Subsection RP-7.E. Various COE wetland delineations have been completed for adjacent mines. BTM history includes several approved delineations. In 2000, a consolidated wetland delineation (for pre-2000 delineations) was received and approved by the COE. The COE submitted a letter to BTM dated March 22, 2001 identifying the removal of playa wetlands and playa waters from jurisdictional status, based on the January 9, 2001 SWANCC court ruling. Additional amendments to total WoUS within the BTM permit area occurred between 2001 and 2007, and a letter to the COE, dated January 30, 2007, includes an updated summary table of WoUS. The updated summary identifies a total of 49.14 acres of jurisdictional wetlands, 65.44 acres of OWUS, and 154.88 acres of isolated waters on the BTM permit area. A preliminary wetlands inventory of the general analysis area for the North Hilight Field LBA Tract was conducted by Knight Technologies Inc. (KTI), of Gillette, Wyoming, in 2007. This inventory was based on USFWS NWI mapping (1980), review of color-infrared orthophotography maps (2001), and visual field reconnaissance of vegetation and hydrology indicators. Figure S1-3 depicts the USFWS NWI mapping within the general analysis area (wetlands analysis area) for the North Hilight Field LBA Tract. KTI’s initial field reconnaissance indicated that wetland areas mapped by the USFWS NWI in 1980 have been altered due to coal bed natural gas (CBNG) related water production within and upstream of the tract’s general analysis Draft EIS, Wright Area Coal Lease Applications S1-45

R. 71 W. R. 70 W.
11 12 7 8 9 10 11

Figure S1-3. Wetlands Within the General Analysis Area for the North Hilight Field LBA Tract.

S1-46
PEMCh PABFh PEMC PEMAh PEMAh PABFh PEMAh PEMCh PEMA PEMA PEMAh PEMCh PEMAh PEMA PEMAh PEMA PEMA
19 13 18 14

PEMA PEMA PEMA
17

PEMAh PABFh PEMA PEMCh PEMA PEMA
16 15

PEMA PEMA PEMCh
PEMAh

PEMA PEMA

PABFh
PEMAh PABFh PABFh PEMA PEMAh

PEMA PEMAh PEMAh PABFh PEMA PUBFx PEMAh
24

PEMC PEMAh PEMA PEMAh PEMA PEMAh PEMAh PABFh PEMA PABFh PEMA
20 21

PEMAh

PABFh PUSCh
22

T. 44 N.
23

PEMA PEMC PEMA PEMA PEMCx PEMAh PEMB PEMAh PEMC PEMCh PEMAh

PEMA PUBFx PEMA PEMA

T. 44 N.
PEMA

PEMA PEMA PEMC PEMA

26 25

Supplementary Information on the Affected Environment

34 36

R. 71 W. R. 70 W.

LEGEND
Existing Black Thunder Mine Federal Coal Leases
PABFh

USFWS NWI Map Classification Codes
PEMC

PEMA

North Hilight Field LBA Tract Wetlands Analysis Area Boundary Wetlands Areas (i.e., broad depressions, stock pond areas) Linear Wetlands (i.e., narrow ephemeral drainage channels)
2500 5000 10000

PEMA

Palustrine, Aquatic Bed, Semipermanently Flooded, Diked/Impounded PEMA Palustrine, Emergent, Temporarily Flooded PEMAh Palustrine, Emergent, Temporarily Flooded, Diked/Impounded PEMB Palustrine, Emergent, Saturated USFWS NWI Mapping (1980)

Draft EIS, Wright Area Coal Lease Applications
GRAPHIC SCALE (FEET)

Palustrine, Emergent, Seasonally Flooded Palustrine, Emergent, Seasonally PEMCh
Flooded, Diked/Impounded PUBFx Palustrine, Unconsolidated Bottom, Semipermanently Flooded, Excavated Palustrine, Unconsolidated Shore, PUSCh Seasonally Flooded, Diked/Impounded

Supplementary Information on the Affected Environment area. This preliminary assessment identified the presence of several categories of wetlands and OWUS. The categories consisted of dry ephemeral drainages and the following USFWS wetland habitat classifications:
  

Palustrine emergent (PEM),
Palustrine aquatic bed (PAB), and
Palustrine unconsolidated (PU).

Within the entire general analysis area for the North Hilight Field LBA Tract (8,476.4 acres), the preliminary wetland inventory identified a total of 177.5 acres of wetlands and OWUS. These wetlands and OWUS were found within five general land categories: ephemeral streams, playas, ponds/reservoirs, isolated depressions, and excavated upland areas. These 177.5 acres are vegetated wetlands that consist of approximately 172.0 acres of palustrine emergent herbaceous wet meadow or marsh and approximately 5.5 acres of palustrine aquatic beds located along ephemeral stream channels and around ponds, playas and depressions. No areas of open water (pond or channel OWUS) were observed during this preliminary wetland inventory. Open water or PAB areas typically support a fringe of area classified as PEM wetlands. At this time, a distinction has not been made between jurisdictional and nonjurisdictional acreages of wetlands and OWUS since only the COE has the authorization to make such determination following the submittal and review of a formal wetland delineation as part of the permitting process. A wetland delineation would be conducted and submitted to the COE with a formal Section 404 Jurisdictional Determination request as part of the WDEQ/LQD mine permitting process. S1-8 SOILS The general analysis area for the North Hilight Field LBA Tract has been subjected to Order 1-2 and/or Order 3 soil surveys in the recent past. Those surveys being:




The S¼ of Sections 19, 20, 21, and 22, T.44N., R.70W., the S¼ of Section 24, the SE¼SE¼ of Section 23, T.44N., R.71W., and the E¼ of Section 26, T.44N., R.71W., were mapped during the baseline Order 1-2 soil survey of the Jacobs Ranch Mine and are part of its existing approved WDEQ/LQD mine permit. The S½SW¼ and the SW¼SE¼ of Section 26, T.44N., R.71W., were mapped during the baseline Order 1-2 soil survey of the Little Thunder Amendment Area of the Black Thunder Mine, which is part of its existing approved WDEQ/LQD mine permit. The remainder of the general analysis area has been covered by the National Resource Conservation Service (NRCS) Order 3 soil survey of southern Campbell County (Prink et al. 2004).

Draft EIS, Wright Area Coal Lease Applications

S1-47

Supplementary Information on the Affected Environment All Order 1-2 soil surveys were completed in accordance with WDEQ/LQD Guideline No.1, which outlines required soils information necessary for a coal mining operation. The WDEQ inventories included field sampling and observations at the requisite number of individual sites, and laboratory analysis of representative collected samples. Soils within the analysis area were identified by series, which consist of soils that have similar horizons in their profile. Horizons are soil layers having similar color, texture, structure, reaction, consistency, mineral and chemical composition, and arrangement in the profile. NRCS Order 3 mapping is completed according to national guidelines and standards. This scale of mapping, i.e., 40 acre minimum size delineation of soil map unit polygons, is much larger than the WDEQ surveys. Soils vary depending upon where and how they were formed. Major factors involved in the formation of soils include whether or not the material was transported and how the material was weathered during transportation. Four primary soil formation processes causing different soil types were noted: 1) those soils developing predominantly in thin residuum from sandstone or shale on upland ridges, 2) those soils developing predominantly in slopewash, colluvium, or alluvial fan deposits from mixed sources on gently sloping uplands, 3) those soils developing predominantly in coarse-textured alluvium or sandy eolian deposits on rolling uplands, and 4) drainage soils developing in mixed stream laid alluvium on terraces and channels, and in fine-textured playa deposits in depressions and closed basins. The soil depths and types in the general analysis area for the North Hilight Field tract are similar to soils currently being salvaged and utilized for reclamation at the neighboring Black Thunder and Jacobs Ranch mines, as well as other mines in the eastern PRB. The following is a list of the soil types delineated in the tract’s BLM study area (note that some series determinations have changed since the original surveys were completed). The major soils series encountered within the soil survey area were grouped according to the primary soil formation processes and are listed as follows: Soils developing predominantly in thin residuum from sandstone or shale on upland ridges and hills
    

Samsil-Shingle-Worf Complex 3 to 10 percent slopes Renohill-Worfka clay loams, 3 to 15 percent slopes Shingle-Samday-Badlands Complex, 10 to 45 percent slopes Theedle-Shingle loams, 3 to 30 percent slopes Wibaux-Wibaux, thin solum Complex, 6 to 40 percent slopes

Soils developing predominantly in colluvium or alluvial fan deposits from mixed sources on gently sloping uplands


Arvada thick surface-Arvada-Slickspots Complex, 0 to 6 percent slopes Draft EIS, Wright Area Coal Lease Applications

S1-48

Supplementary Information on the Affected Environment
                           

Arvada (Absted) thick surface, 0 to 3 percent slopes Arvada loam, 0 to 6 percent slopes Bidman-Parmleed loams, 0 to 6 percent slopes Bidman-Parmleed loams, 6 to 15 percent slope Bidman loam, loamy substratum, 0 to 6 percent slopes Ulm clay loam, 0 to 6 percent slopes Pugsley fine sandy loam, 0 to 10 percent slopes Bowbac and Cushman soils Bidman-Ulm loams, 0 to 6 percent slope Ulm-Bidman soils, moderately saline, 0 to 3 percent slopes Forkwood-Cushman loams, 0 to 6 percent slopes Forkwood-Cushman loams, 6 to 15 percent slopes Forkwood loam, 3 to 10 percent slopes Forkwood loam, 0 to 6 percent slopes Savageton-Silhouette clay loams, 6 to 15 percent slopes Ulm-Renohill clay loams, 0 to 6 percent slopes Bidman loam, 0 to 6 percent slopes Ulm loam, 0 to 6 percent slopes Heldt clay loam, 0 t0 6 percent slopes Heldt, saline-slickspots Forkwood-Cambria loams, 0 to 6 percent slopes Theedle-Kishona loams, 0 to 6 percent slopes Theedle-Kishona loams, 6 to 20 percent slopes Ulm-Renohill clay loams, 6 to 15 percent slopes Renohill loam, 0 to 6 percent slopes Pugsley and Bowbac soils Renohill and Parmleed soils Unamed Variant B

Soils developing predominantly in coarse-textured residuum, alluvium and sandy eolian deposits on rolling uplands
               

Hiland-Bowbac fine sandy loams, 0 to 15 percent slopes Hiland-Bowbac fine sandy loams, 6 to 15 percent slopes Maysdorf fine sandy loam, 0 to 6 percent slopes Bowbac fine sandy loam, 0 to 6 percent slopes Hiland (Olney) fine sandy loam, 0 to 6 percent slopes Maysdorf-Pugsley sandy loams, 6 to 15 percent slopes Vonalee sandy loam, 3 to 10 percent slopes Decolney-Hiland fine sandy loams, 0 to 6 percent slopes Decolney-Hiland fine sandy loams, 6 to 15 percent slopes Decolney and Hiland, 0 to 10 percent slopes Hiland-Vonalee fine sandy loams, 0 to 6 percent slopes Hiland-Vonalee fine sandy loams, 6 to 15 percent slopes Keeline-Tullock loamy sands, 6 to 30 percent slopes Pugsley-Decolney sandy loams, 6 to 15 percent slopes Turnercrest-Keeline-Taluce fine sandy loams, 6 to 30 percent slopes Vonalee-Terro fine sandy loams, 2 to 10 percent slopes S1-49

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment


Terro sandy loam, 3 to 10 percent slopes

Drainage soils developing in mixed stream laid alluvium on terraces and channels and in fine-textured playa deposits in depressions and closed basins


Felix clay, ponded, 0 to 2 percent slopes

Table S1-6 provides the extent of five depth classes of suitable topsoil within the BLM study area. Table S1-6. Acres of Topsoil Available for Reclamation Within the BLM Study Area for the North Hilight Field LBA Tract. Thickness of Suitable Topsoil (inches) 0 0 – 12 12 – 30 30 – 48 48 – 60 Water Total Acres 133.70 333.78 28.76 4,415.25 200.94 2.86 7,140.43 Percent 1.9 4.7 28.8 61.8 2.8 0.0 100.0

The North Hilight Field LBA Tract baseline soils analysis, in conjunction with the county-wide NRCS soil survey, indicate that the amount of suitable topsoil that would be available for redistribution on all disturbed acres within the analysis area during reclamation would have an average depth of 2.7 feet. Areas of unsuitable soils include sites with high alkalinity, salinity or sand content. The tract is expected to have adequate quantity and quality of soil for reclamation. One of the Order 1-2 soil surveys has located hydric soils, which are one component used in identifying wetlands. S1-9 VEGETATION The vegetation communities in the general analysis area for the North Hilight Field LBA Tract (8,476 total acres) were appraised and mapped by Habitat Management, Inc. of Gillette, Wyoming in 2007 to provide a preliminary assessment. Vegetation within the LBA tract’s general analysis area consists of species common to eastern Wyoming. A total of eight vegetation types have been preliminarily identified and mapped within the LBA tract’s general analysis area. Table S1-7 presents the acreage and percent of the analysis area encompassed by each vegetation type. The vegetation types include Mixed Prairie Grassland, Big Sagebrush Shrubland, Playas, Streamside Grassland, Agricultural Pasture, Saline Bottomland, and variations of these communities. Disturbed lands, reclaimed lands, and reservoir areas were also identified. S1-50 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S1-7. Vegetation Types Identified and Mapped Within the North Hilight Field LBA Tract.
Area Applied For (Acres) (Percent)
269.19 897.23 31.40 19.56 12.37 0.00 174.15 990.79 0.00 0.44 0.00 146.26 60.69 8.28 2,610.00 10.31 34.37 1.20 0.75 0.47 0.00 6.67 37.96 0.00 0.02 0.00 5.60 2.33 0.32 100.00

Vegetation Type
Mixed Prairie Grassland Big Sagebrush Shrubland Playa - Densely Vegetated Playa - Barren Streamside Grassland Alkali Bottom Grassland Agricultural Pasture 1 (< 20% Shrubs) Agricultural Pasture 2 (>=20% Shrubs) Wildfire Modified Agricultural Pasture 2 Pasture / Hayland Saline Bottomland Disturbed Lands (Roads, Trails, etc) Reclaimed Lands Reservoir

BLM Study Area (Acres) (Percent)
757.18 3,307.60 239.47 19.56 12.69 0.00 699.48 1,154.96 200.60 309.62 0.00 308.16 95.61 25.98 7,131.00 10.62 46.38 3.36 0.27 0.18 0.00 9.81 16.20 2.81 4.34 0.00 4.32 1.34 0.36 100.00

General Analysis Area (Acres) (Percent)
1,137.58 4,184.90 256.37 19.95 12.81 0.00 803.61 1,201.20 202.92 310.61 0.00 258.39 61.93 26.17 8,476.00 13.42 49.37 3.02 0.2 0.15 0.00 9.48 14.17 2.39 3.66 0.00 3.05 0.73 0.31 100.00

Total

In terms of total acres of occurrence in the general analysis area, the predominant vegetation types are Big Sagebrush Shrubland (roughly 49 percent), Mixed Prairie Grassland (roughly 13 percent), and Agricultural Pasture 1 and 2 (roughly 30 percent). These vegetation types are described as follows: The Big Sagebrush Shrubland community is characterized by the presence of Wyoming big sagebrush (Artemisia tridentata ssp. Wyomingensis) at a density of 20 percent or greater, and the grasses western wheatgrass (Pascopyrum smithii), blue grama (Bouteloua gracilis), green needlegrass (Nassella viridula), needle and thread (Hesperostipa comata), and crested wheatgrass (Agropyron cristatum). The density of shrubs and grasses varies throughout the area, with some portions consisting of very dense shrubs with minimal grass component and other areas with a lower density of shrubs and a very heavy grass component. Plains prickly pear (Opuntia polyacantha) is also common throughout this community type, and lichen can make a substantial contribution to ground cover particularly in dry years. This community is associated with a wide variety of soil types. The Mixed Prairie Grassland community is characterized by the presence of western wheatgrass, blue grama, green needlegrass, needle and thread, and crested wheatgrass and a low density of shrub species (less than 20 percent). Draft EIS, Wright Area Coal Lease Applications S1-51

Supplementary Information on the Affected Environment This community frequently occurs on Hiland-Bowbac fine sandy loam soils with 0-6 percent slopes, but can be found on a wide variety of soil types. Agricultural Pasture 1 and 2 are areas that have been historically seeded with crested wheatgrass for agricultural or grazing purposes, and the species has persisted over time. Vegetation communities delineated as Agricultural Pasture 1 have a low shrub component of 0-20 percent and are generally dominated by a crested wheatgrass monoculture. Agricultural Pasture 1 communities may be currently under use for hay production. Vegetation communities delineated as Agricultural Pasture 2 have a greater shrub component with a density of 20 percent or more, and, although still dominant, the density of crested wheatgrass is reduced and other graminoid species are present. A portion of the Agricultural Pasture 2 community was recently burned in a wildfire, and was mapped as a separate community. Playas are distinct, low-lying patches that likely accumulate moisture during times of high precipitation or significant snowmelt. They are essentially absent of any shrub component and are usually either dominated by grasses including inland salt grass (Distichlis spicata) and foxtail barley (Hordeum jubatum) or are barren. Many playas have been modified in the center; with a large pond/reservoir excavated for use as either water sources for livestock or containment for CBMG production-associated discharge water. These playas most frequently occur on Felix clay ponded soils with 0-2 percent slopes, although they also occur on other soil types. Streamside Grassland is dominated by inland salt grass, alkali sacaton (Sporobolus airoides) and some sedge and rush species (Carex spp. and Juncus spp.). Grasses present in the Mixed Prairie Grassland are also found here. Some areas categorized as streamside grassland may include true wetland; however wetlands were not delineated for the purpose of determining vegetation communities. Streamside grassland is most frequently found on the Arvada, thick surface-Arvada-slickspots soil Complex, and the Theedle-Kishona-Shingle loam soils with 3-30 percent slopes, but can be found on several other soil types as well. Saline Bottomland is characterized by the presence of highly compacted, exposed soils, Wyoming big sagebrush and plains prickly pair, and a low density of grasses, although inland saltgrass and alkali sacaton are found here. This community has been overgrazed and the surface is highly erodible. It occurs almost exclusively on the Arvada, thick surface-Arvada-Slickspots soil complex. Disturbed lands include roads, areas surrounding active construction sites and mining facilities, oil and gas facilities, and occupied and abandoned homesteads. Several deciduous and/or coniferous trees have been planted around most homestead sites. Reclaimed lands include areas that were recently reclaimed after disturbance for the installation of oil and gas facilities or pipelines, road construction and other activities. Several reservoirs constructed for containment of CBNG discharge water, irrigation and/or livestock use are also present. S1-52 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment S1-10 WILDLIFE S1-10.1 Wildlife Resources Background information on wildlife in the vicinity of the North Hilight Field LBA Tract was drawn from several sources, including Wyoming Game and Fish Department (WGFD) and U.S. Fish and Wildlife Service (USFWS) records, the Wyoming Natural Diversity Database (WYNDD), recent PRB federal coal lease application EIS documents (available for public review on Wyoming BLM’s website at http://www.blm.gov/wy/st/en.html), and personal contacts with WGFD and USFWS biologists. Site-specific data for the LBA tract’s general analysis area were obtained from several sources, including WDEQ/LQD mine permit applications and annual wildlife monitoring reports for the nearby coal mines. Due to the proximity of the proposed lease area to the adjacent mines’ (Black Thunder and Jacobs Ranch) permit areas, the general analysis area for the North Hilight Field tract has received some level of coverage annually since the early 1980s. Increasing percentages of the tract’s general analysis area were included in annual monitoring efforts as survey areas for the adjacent mines have been expanding due to previous coal lease acquisitions and subsequent permit area amendments. Baseline and annual wildlife surveys cover a large perimeter around mine permit areas; consequently, a majority of the proposed lease area and adjacent lands have been surveyed for wildlife species as part of the required monitoring surveys for these adjacent mines. In addition, Thunder Basin Coal Company (TBCC) initiated baseline investigations during 2006 and early 2007 expressly for the West Hilight Field LBA Tract with additional surveys targeting the North and South Hilight Field LBA Tracts in 2007 and 2008. The results of site-specific surveys for the entire leased area and appropriate perimeter will be part of the mine permitting process if the lease sale is held and the tract is proposed for mining. Thunderbird-Jones & Stokes (J&S), formerly Thunderbird Wildlife Consulting, Inc. (TWC), of Gillette, Wyoming, has conducted the historical and recent wildlife studies for the Black Thunder Mine, while Intermountain Resources (IR), of Laramie, Wyoming, has conducted the historical and recent wildlife studies specifically for the Jacobs Ranch Mine. In an undisturbed condition, the major vegetation types in the tract’s general analysis area provide habitats for many species. Vegetation types tend to occur in a mosaic across the landscape; therefore, many wildlife species can be expected to utilize more than one habitat type. Predominant habitat types classified on the LBA tract and adjacent area correspond with the major plant communities defined by the vegetation survey and consist primarily of sagebrush shrublands (roughly 49 percent of the area), agricultural pasturelands (roughly 30 percent of the area), and mixed prairie grasslands (roughly 13 percent of the area). Disturbed lands include a network of oil and gas field access roads and areas surrounding oil and gas development activities (i.e., well pads, pipelines, tank batteries), mining-related facilities and activities, and both active and abandoned ranching-related facilities. Reclaimed lands include areas that were recently reclaimed after disturbance Draft EIS, Wright Area Coal Lease Applications S1-53

Supplementary Information on the Affected Environment for the installation of oil and gas facilities or pipelines, road construction and other activities with varying degrees of recovering vegetation cover. The predominant natural wildlife habitat is shrubland with upland/mixed prairie grassland as the next largest habitat type. Wyoming big sagebrush characterizes the shrubland and native upland grasses of the region (i.e., western wheatgrass, needleandthread, prairie junegrass, blue grama, Sandberg bluegrass, and cheatgrass brome) characterize the mixed prairie grassland. The seeded grassland/agricultural pastureland is dominated by crested wheatgrass. The few trees that exist on the six WAC LBA tracts are largely limited to those planted around homesteads and ranch buildings. No designated critical, crucial, or unique wildlife habitats are present in the area. No perennial streams or other permanent water bodies exist within the general analysis area for the North Hilight Field LBA Tract. S1-10.2 Big Game The two big game species that are common in suitable habitat throughout the general analysis area for the North Hilight Field tract are pronghorn (Antilocapra americana) and mule deer (Odocoileus hemionus). Elk (Cervus elaphus) are frequent winter residents in the area, but spend most of the year in the Rochelle Hills east of the general analysis area. White-tailed deer (Odocoileus virginianus) are transients in the area due to their preference for riparian woodlands and irrigated agricultural lands. No crucial big game habitat or migration corridors are recognized by the WGFD in this area. Crucial range is defined as any particular seasonal range or habitat component that has been documented as the determining factor in a population’s ability to maintain and reproduce itself at a certain level. Pronghorn are by far the most common big game species in this area. This species is most abundant in the sagebrush shrubland or mixed prairie grassland habitats. Reclaimed grassland constitutes only a small portion of the available habitat around the PRB mines, although pronghorn are observed during all seasonal surveys in these areas. Home range for pronghorn can vary between 400 acres to 5,600 acres, according to several factors including season, habitat quality, population characteristics, and local livestock occurrence. Typically, daily movement does not exceed 6 miles. Pronghorn may make seasonal migrations between summer and winter habitats, but migrations are often triggered by availability of succulent plants and not local weather conditions (Fitzgerald et al. 1994). The WGFD has classified the LBA tract’s general analysis area as primarily yearlong pronghorn range (a population or substantial portion of a population of animals makes general use of this habitat on a year-round basis, but may leave the area under severe conditions on occasion) and winter/yearlong pronghorn range (a population or a portion of a population of animals makes general use of this habitat on a year-round basis, with a significant influx of additional animals onto this habitat from other seasonal ranges in the winter). The North Hilight Field tract is within the Hilight Herd Unit (pronghorn Hunt Area 24). In post-season S1-54 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment 2007, the WGFD estimated the Hilight Herd Unit population to be approximately 12,397 animals, which is above the WGFD objective of 11,000 (WGFD 2007a). Mule deer use nearly all habitats, but prefer sagebrush grassland, rough breaks, and riparian bottomland. Browse is an important component of the mule deer’s diet throughout the year, comprising as much as 60 percent of total intake during autumn, while forbs and grasses typically make up the rest of their diet (Fitzgerald et al. 1994). Mule deer are frequently observed on mine reclaimed lands. In certain areas of the state this species tends to be more migratory than white-tailed deer, traveling from higher elevations in the summer to winter ranges that provide more food and cover. However, monitoring has indicated that mule deer are not very migratory in the vicinity of the tract’s general analysis area. The WGFD has classified a majority of the tract’s general analysis area as being out of normal mule deer use range and a portion as being yearlong mule deer use range. The LBA tract’s general analysis area is located within the WGFD Thunder Basin Mule Deer Herd Unit (deer Hunt Area 21). No crucial or critical mule deer ranges or migration corridors occur on or within several miles of the tract’s general analysis area. The WGFD estimated the 2007 post-season mule deer population in this herd unit at 20,980, which is slightly above the current objective of 20,000 (WGFD 2007a). The North Hilight Field LBA Tract’s general analysis area is located within the WGFD Central White-tailed Deer Herd Unit (deer Hunt Area 21). White-tailed deer are managed and hunted in conjunction with mule deer. White-tailed deer prefer riparian habitats and are therefore seldom observed in the general analysis area due to the lack of that particular habitat. The WGFD classifies the entire general analysis area as out of the normal white-tailed deer use range. A narrow corridor along the Antelope Creek south of the tract’s general analysis area is classified as yearlong range. The WGFD does not have population estimates for this herd unit due to the challenges of obtaining adequate classifications in many hunt areas within the herd unit. A resident elk herd resides in the Rochelle Hills east of the North Hilight Field LBA Tract’s general analysis area. None of the tract’s general analysis area is classified by the WGFD as within normal elk use range, although elk do wander from the protection of the Rochelle Hills to forage in native and reclaimed grasslands in the vicinity of the LBA tract. As more lands are reclaimed from mining, elk are shifting their winter use to these areas. The WGFD has designated an approximately 5 square mile area on reclaimed lands within the Jacobs Ranch Mine permit area as crucial winter habitat for the Rochelle Hills elk herd (Odekoven 1994). RTEA (owner of the Jacobs Ranch Mine) and the Rocky Mountain Elk Foundation (RMEF) finalized a formal agreement that created the Rochelle Hills Conservation Easement. The easement contains nearly 1,000 acres, with 75 percent of that total comprised of reclaimed mining lands on the Jacobs Ranch Mine. The easement acreage was donated to RMEF by RTEA to ensure that the reclaimed land continues to Draft EIS, Wright Area Coal Lease Applications S1-55

Supplementary Information on the Affected Environment be used as grazing land and wildlife habitat for the extended future (RMEF 2007). Elk have been observed within the general Wright analysis area in recent years, but they are typically restricted to the pine breaks just east of the Coal Creek, Jacobs Ranch, Black Thunder, and North Antelope Rochelle mines. The WGFD estimated the 2007 post-season elk population for the Rochelle Hills Herd Unit at 600, which is 50 percent above the current objective of 400 animals (WGFD 2007a). S1-10.3 Other Mammals A variety of small- and medium-sized mammal species occur in the vicinity of the North Hilight Field LBA Tract, although not all have been observed on the general analysis area for the tract itself. These include predators and furbearers, such as the coyote (Canis latrans), red fox (Vulpes vulpes), bobcat (Lynx rufus), striped skunk (Mephitis mephitis), long-tailed weasel (Mustela frenata), badger (Taxidea taxus), muskrat (Ondatra zibethicus), raccoon (Procyon lotor), and beaver (Castor canadensis). Prey species include various rodents (such as mice, rats, voles, gophers, ground squirrels, chipmunks, muskrats, and black-tailed prairie dogs) and lagomorphs (jackrabbits and cottontails). These prey species are cyclically common and widespread throughout the region. Porcupines (Erethizon dorsatum) and bats (such as hoary [Lasiurus cinereus] and big brown [Eptesicus fuscus]) also have habitat in the vicinity, which is primarily in the pine forest habitat of the nearby Rochelle Hills. The prey species are important for raptors and other predators. The black-tailed prairie dog was added to the list of candidate species for federal listing on February 4, 2000 (USFWS 2000). The USFWS then removed the black-tailed prairie dog from the list of candidate species on August 12, 2004. On December 2, 2008, the USFWS announced a 90-day finding on a petition seeking federal protection of the black-tailed prairie dog under the ESA. The USFWS subsequently announced that it will conduct a 12-month finding, which will end February 2, 2009, to determine if listing of the species is warranted (USFWS 2009). The USFWS continues to encourage the protection of prairie dog colonies for their value to the prairie ecosystem and the myriad of species that rely on them (USFWS 2004a). Black-tailed prairie dogs are considered a common resident in eastern Wyoming, utilizing short-grass and mid-grass habitats (Cerovski et a. 2004). The black-tailed prairie dog is a highly social, diurnally active, burrowing mammal. Aggregations of individual burrows, known as colonies, form the basic unit of prairie dog populations. Found throughout the Great Plains in short-grass and mixed-grass prairie areas (Fitzgerald et al. 1994), the blacktailed prairie dog has declined in population numbers and extent of colonies in recent years. The three major impacts that have influenced black-tailed prairie dog populations are the initial conversion of prairie grasslands to cropland in the eastern portion of its range from approximately the 1880s through the 1920s; large-scale control efforts conducted from approximately 1918 through 1972, when an Executive Order was issued banning the use of compound S1-56 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment 1080; and the introduction of sylvatic plague into North American ecosystems in 1908 (USFWS 2000 and 2009). In Wyoming, this species is primarily currently found in isolated populations in the eastern half of the state (Clark and Stromberg 1987). The USFWS’s most recent (in 2004) estimate of occupied black-tailed prairie dog habitat in Wyoming is about 125,000 acres (USFWS 2004b). Many other wildlife species, such as the black-footed ferret (Mustela nigripes), swift fox (Vulpes velox), mountain plover (Charadrius montanus), ferruginous hawk (Buteo regalis), and burrowing owl (Athene cunicularia) may be dependent on the black-tailed prairie dog for some portion of their life cycle (USFWS 2000 and 2009). According to USFS observations on the Thunder Basin National Grassland (TBNG), the largest concentrations of prairie dog colonies in the vicinity of the eastern PRB surface coal mines are found east of the coal burnline, which is outside and east of the area of surface coal mining (Byer 2003). The large prairie dog complexes in this area east of the coal burnline have been drastically impacted by outbreaks of plague at irregular intervals over the years. The colonies west of the burnline, including those within the general Wright analysis area, are generally smaller and less densely concentrated. These colonies have not been affected by plague to the same degree as those located east of the burnline, likely due to their reduced size and density. Qualified wildlife biologists with IR and J&S have mapped the current acreage of prairie dog colonies in the vicinity of the Jacobs Ranch and Black Thunder mines, respectively, by walking the perimeters of colonies and delineating them using hand-held global positioning system (GPS) receivers and/or by visually mapping them on topographic maps. Surveys conducted within 2 miles of the general analysis area for the North Hilight Field LBA Tract located four prairie dog colonies that cover a total of approximately 53.8 acres (the colonies are depicted on Figure 3-32 in the WAC DEIS). Two colonies were within the tract’s general analysis area itself (the area likely to be affected by development of the North Hilight Field LBA Tract) and were approximately 3.4 and 19.5 acres in size. The other two colonies were approximately 3.7 and 27.2 acres in size. S1-10.4 Raptors The raptor species known or expected to occur in suitable habitats in the general Wright analysis area include the golden eagle (Aquila chrysaetos), ferruginous hawk, red-tailed hawk (Buteo jamaicensis), Swainson’s hawk (Buteo swainsoni), rough-legged hawks (Buteo lagopus), great horned owl (Bubo virginianus), burrowing owl, and short-eared owl (Asio flammeus). The bald eagle (Haliaeetus leucocephalus) is a migrant and common winter resident of the Wyoming Powder River Basin region. On July 9, 2007, the U.S. Fish and Wildlife Service (USFWS) published a Federal Register notice (72 FR 37346) announcing that the bald eagle would be removed from the list of threatened and endangered (T&E) species under the Endangered Species Act of 1973 Draft EIS, Wright Area Coal Lease Applications S1-57

Supplementary Information on the Affected Environment (ESA), as amended (16 U.S.C 1531 et seq.); that de-listing was effective as of August 8, 2007. However, the protections provided to the bald eagle under the Bald and Golden Eagle Protection Act (BGEPA), 16 U.S.C. 668, and the Migratory Bird Treaty Act (MBTA), 16 U.S.C. 703, will remain in place. The bald eagle is now recognized as a USFS and BLM Sensitive Species. Raptor species that are known to commonly nest in the general Wright analysis area are the golden eagle, ferruginous hawk, red-tailed hawk, Swainson’s hawk, great horned owl, and burrowing owl. No nest sites have been documented in the general Wright analysis area for American kestrels (Falco sparverius), northern harriers (Circus cyaneus), or short-eared owls, though occasional sightings of recently fledged young indicate that such activities do occur there for one or more of these species. Habitat is limited for those species that nest exclusively in trees or on cliffs, but several species are adapted to nesting on the ground, creek banks, buttes, or rock outcrops. Rough-legged hawks are winter residents in northeast Wyoming, and breed in the arctic regions. The raptor monitoring areas for the Black Thunder and Jacobs Ranch mines include their respective permit areas and a surrounding 1- or 2-mile perimeter. Due to the proximity of the North Hilight Field LBA Tract to those adjacent mine survey areas, the tract’s entire general analysis area and most of the wildlife survey area for the North Hilight Field LBA Tract have been included in annual monitoring surveys since the early 1980s. Previous information regarding nests, including their historical use by nesting raptors is available in the mines’ permit applications and annual wildlife monitoring reports. Figure 3-32 in the WAC DEIS document depicts the locations of raptor nests identified within the North Hilight Field LBA Tract’s wildlife survey area, which includes the tract’s general analysis area and a 2-mile perimeter encompassing the general analysis area. Over time, raptors have built new nests and natural forces have destroyed many nests, while others have been relocated for mitigation or removed by mining activities. In some cases, nests have been created to mitigate other nest sites impacted by mining operations at this mine. A total of six raptor species have nested within the combined North, South, and West Hilight Field wildlife survey areas. Five of those six species have regularly nested within this area since annual monitoring began. Swainson’s hawks began nesting in the area more recently, and have been a consistent breeder ever since. Based on sightings of young, it is likely that at least one pair of American kestrels nested in one of the many small cavities present in the snags along Little Thunder Creek. There is overlap between these three tracts’ study area boundaries, and as such, there is overlap in the reporting of raptor nests on the wildlife figures and in the North, South, and West Hilight Field tract discussions. In addition, due to the West Jacobs Ranch LBA Tract’s proximity to the three Hilight Field LBA Tracts, there is also an overlap in the reporting of raptor nests. The number of nests recorded within each of the wildlife survey S1-58 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment areas are addressed separately in this supplemental information document, as well as in Section 3.10 of the WAC DEIS document. Surveys completed in 2007 by J&S identified a total of 34 intact nests (one golden eagle nest, 23 ferruginous hawk nests, four Swainson’s hawk nests, two burrowing owl nest sites, one platform nest erected for ferruginous hawks, and three nests that have been used by multiple raptor species) were present within 2 miles of the general analysis area for the North Hilight Field LBA Tract (see Figure 3-32 in the WAC DEIS for locations). Eight intact nests were present within the general analysis area: four intact nests (two burrowing owl and two ferruginous hawk nests) were present within the LBA tract as applied for; one intact nest used by multiple species (Swainson’s hawk, red-tailed hawk, and ferruginous hawk) was present within the area added by Alternative 2; and three intact nests (all ferruginous hawk) were within the ¼-mile disturbance buffer surrounding the tract configured under Alternative 2. Only one of the eight intact nests encompassed by the North Hilight Field tract’s general analysis area was active (eggs laid) during 2007. The remaining 26 intact nests were within 2 miles of the tract’s general analysis area. S1-10.5 Upland Game Birds Four upland game bird species have historically been documented within the general Wright analysis area. These species are the mourning dove (Zenaida macroura), gray (or Hungarian) partridge (Perdix perdix), wild turkey (Meleagris gallopavo), and Greater sage-grouse (Centrocercus urophasianus). The mourning dove, however, is the most prevalent upland game bird in the area and the only species known to occur with any regularity. Based on annual lek searches since the late 1970’s, sharp-tailed grouse do not appear to inhabit the surface coal mine region of the southern PRB. The nearest sharp-tailed grouse lek is located over 40 miles northwest of the general Wright analysis area. The three applicant coal mines included in the WAC DEIS (Black Thunder, Jacobs Ranch and North Antelope Rochelle) conduct annual surveys of known sage-grouse leks and searches for new leks each spring as part of their annual wildlife monitoring requirements for WDEQ/LQD. Each active lek is generally surveyed three times within a given breeding season. Baseline inventories included the respective mine permit areas and a 2-mile perimeter, and occurred prior to permitting by WDEQ/LQD. Annual surveys include the mines’ permit areas and a 1-mile perimeter, and began when each mine was initially permitted in the early 1980s. As a result, most of the areas included in the North, South and West Hilight Field LBA Tracts have been included in previous regular survey efforts. Those surveys became mandatory with the implementation of Appendix B of the WDEQ/LQD Coal Rules and Regulations in 1993. In May 2002, the USFWS office in Cheyenne, Wyoming, released a list entitled Coal Mine List of 40 Migratory Bird Species of Management Concern in Wyoming, which replaced the previous Migratory Birds of High Federal Interest Draft EIS, Wright Area Coal Lease Applications S1-59

Supplementary Information on the Affected Environment List. The greater sage-grouse is included on the updated list, giving further impetus to ongoing annual survey efforts. Baseline inventories encompassing a 2-mile perimeter around Black Thunder Mine’s proposed permit expansions were conducted in the late 1970s, 1998, and 2003. Annual surveys conducted since the late 1970s have included the entire general analysis area for the North Hilight Field LBA Tract and most of the North Hilight Field tract’s wildlife survey area (a 2-mile radius encompassing the tract’s general analysis area). Baseline surveys specific to this EIS, which were conducted in 2007 and 2008, and other previous permit expansions included the entire wildlife survey area for the tract. Sage-grouse rely on a variety of habitats within sagebrush dominated landscapes to reproduce and survive throughout the year. The sage-grouse is a year-round resident throughout much of the PRB, but has declined in the North, South, and West Hilight Field tracts’ wildlife survey areas over the last 30 years. Sage-grouse use, or lack of use, in that region has been well documented from the late 1970s through 2008. As described in the vegetation section, lands on and adjacent to the general analysis areas for the North, South, and West Hilight Field LBA Tracts are dominated by a sagebrushgrassland community, primarily big sagebrush, with shrub cover ranging from roughly 50 to 60 percent. Despite the prevalence of sagebrush in the combined wildlife survey areas for the North, South and West Hilight Field LBA Tracts, sage-grouse numbers were never especially high in the area. Annual surveys for sage-grouse broods were conducted in native and reclaimed stream channels at Black Thunder from 1994 through 1999; such surveys were no longer required by WGFD and WDEQ/LQD after that year due to the consistent lack of grouse broods at coal mines throughout the PRB. No sagegrouse broods were recorded within the BLM study area for each LBA tract (the tract as applied for and the additional area evaluated by BLM under Alternative 2) during specific surveys or incidental to other wildlife surveys conducted in those areas annually since at least 1993. No broods were seen during recent baseline inventories conducted for the three Hilight Field LBA Tracts. All grouse broods that have been recorded over the years occurred as incidental sightings during other wildlife surveys. Nesting and winter surveys for sage-grouse are not required as part of the annual wildlife programs for the three applicant mines included in this EIS, though winter surveys have been conducted as part of baseline inventories for previous mine expansions. Additionally, winter surveys for other species (e.g., big game, bald eagle roosts, and other wintering raptors) have occurred at all three WAC lease applicant mines in recent years. Due to their proximity to existing mine permit areas, the combined general analysis areas for the three Hilight Field tracts have been included in a minimum of seven consecutive years (big game surveys 1993-1999) of some level of winter surveys. No sagegrouse were documented in or near the LBA tracts during those surveys. S1-60 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Sage-grouse were last confirmed in the three Hilight Field tracts’ wildlife survey areas in 2003 (Hansen Lakes lek located in the BLM study area for the North Hilight Field tract), though some leks in these areas were not checked annually by the WGFD prior to the 2007 and 2008 baseline surveys associated with this EIS. Two leks are present in the general analysis area for the North Hilight Field LBA Tract: Butch and Hansen Lakes (Figure 3-32 in the WAC DEIS depicts locations). The Hansen Lakes lek is classified as “occupied” by the WGFD (active in at least 1 of the last 10 years). The Butch lek was first recorded in 1990. The peak male count (15) occurred in 1991, after which numbers declined dramatically. No grouse were recorded at the Butch lek during annual checks conducted over the last 14 years (1994 through 2007). The Butch lek is classified as “unoccupied/abandoned” by the WGFD (no activity for 10 consecutive years). The Butch lek was discovered in 1990, and was active every year through 1993. The Hansen Lakes lek was discovered in 1993, coincidently at the same time peak male counts were dramatically declining at the Butch lek; the leks are approximately 1.5 miles apart and could potentially represent a shift in the lekking activity. Peak male counts at the Hansen Lakes lek ranged from 14 to 24 birds from 1993 through 2000, but dropped markedly to only 3 birds in 2001. Grouse were present at the lek for the next 2 years, but no birds were observed there after 2003. No other grouse leks are present within 3 miles of the North Hilight Field tract’s general analysis area. The next nearest lek is the Stuart II lek, approximately 4.1 miles southwest of the North Hilight Field tract’s general analysis area. S1-10.6 Migratory Bird Species of Management Concern in Wyoming USFWS uses a list entitled Migratory Bird Species of Management Concern in Wyoming, specifically the Coal Mine List of 40 Migratory Bird Species of Management Concern in Wyoming, for reviews related to existing and proposed coal mine leased land (USFWS 2002b). This list was taken directly from the Wyoming Bird Conservation Plan (Cerovski et al. 2001), and was current through 2007. The Migratory Bird Species of Management Concern in Wyoming list replaced the Migratory Birds of High Federal Interest list. The Black Thunder Mine has conducted specific surveys for migratory birds of concern annually since at least 1993, incorporating new lists and survey protocols as they were issued. The surveys, which are conducted in the spring and summer, include the existing mine permit area and a surrounding ½-mile perimeter for most species. Species of added concern such as the sage-grouse and bald eagle may require expanded survey perimeters. Due to the proximity of the general analysis area for the North Hilight Field LBA Tract to existing adjacent mine permit areas, significant portions of general analysis area have been included in annual surveys for avian species of concern since at least 1993. Draft EIS, Wright Area Coal Lease Applications S1-61

Supplementary Information on the Affected Environment Thirty of the 40 listed Level I and II species have historically been observed within northeastern Wyoming (Latilong 13) and 18 species have been recorded in the vicinity of the North Hilight Field LBA Tract (Table S1-8). The USFWS considers Level I species as in need of conservation action, which includes having a monitoring and mitigation plan for those birds. The 16 Level I and II species that historically have been recorded, or are suspected of nesting in the North Hilight Field general analysis area include the Greater sage-grouse, McCown’s longspur, ferruginous hawk, Brewer’s sparrow, Swainson’s hawk, short-eared owl, burrowing owl, upland sandpiper, lark bunting, chestnutcollared longspur, sage thrasher, grasshopper sparrow, loggerhead shrike, vesper sparrow, lark sparrow, and merlin. The other non-nesting species documented less often and that have only been observed as migrants in the area include the long-billed curlew and bald eagle. Table S1-8. Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the North Hilight Field LBA Tract.
Species1 (Scientific Name) Seasonal Status/Breeding Historical Occurrence in Records in the Vicinity of the LBA2 Northeastern WY1 LEVEL I (species need conservation action) Summer/Breeder Resident/Breeder Summer/Breeder Summer/Observed Resident/Breeder Summer/Breeder Summer/Breeder Summer/Breeder Summer/Observed Resident/Breeder Resident/Observed Summer/Breeder Resident/Breeder Summer/Breeder Not Expected Uncommon Uncommon Not Expected Common Common Not expected Uncommon Uncommon Uncommon Not expected Common Common Uncommon Occurrence and Status in the LBA in 20073 None None None None Breeder Breeder None None None None None None None None

S1-62

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S1-8. Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the North Hilight Field LBA Tract (Continued).
Species1 (Scientific Name) Seasonal Status/Breeding Historical Occurrence in Records in the Vicinity of the Northeastern WY1 LBA2 LEVEL II (species need monitoring) Never Recorded Summer/Breeder Summer/Observed Summer/Breeder Never Recorded Never Recorded Never Recorded Summer/Breeder Summer/Breeder Summer/Breeder Summer/Observed Summer/Observed Never Recorded Summer/Breeder Summer/Observed Never Recorded Never Recorded Never Recorded Summer/Breeder Summer/Breeder Summer/Breeder Summer/Observed Never Recorded Resident/Breeder Never Recorded Summer/Observed Not Expected Common Not Expected Uncommon Not Expected Not Expected Not Expected Not Expected Uncommon Uncommon Not Expected Not Expected Not Expected Not Expected Not Expected Not Expected Not Expected Not Expected Common Common Uncommon Not Expected Not Expected Uncommon Not Expected Not Expected Occurrence and Status in the LBA in 20073 None Breeder None None None None None None None None None None None None None None None None Uncommon forager Breeder None None None None None None

Cassin’s kingbird (Tyrannus vociferans) Lark bunting (Calamospiza melanocorys) Dickcissel (Spiza americana) Chestnut-collared longspur (Calcarius ornatus) Black-chinned hummingbird (Archilochus alexandri) Pygmy nuthatch (Sitta pygmaea) Marsh wren (Cistothorus palustris) Western bluebird (Sialia mexicana) Sage thrasher (Oreoscoptes montanus) Grasshopper sparrow (Ammodramus savannarum) Bobolink (Dolichonyx oryzivorus) Common loon (Gavia immer) Black-billed cuckoo (Coccyzus erythropthalmus) Red-headed woodpecker (Melanerpes erythrocephalus) Yellow-billed cuckoo (Coccyzus americanus) Eastern screech-owl (Megascops asio) Western screech-owl (Megascops kennicottii) Western scrub-jay (Aphelocoma californica) Loggerhead shrike (Lanius ludovicianus) Vesper sparrow (Pooecetes gramineus) Lark sparrow (Chondestes grammacus) Ash-throated flycatcher (Myiarchus cinerascens) Bushtit (Psaltriparus minimus) Merlin (Falco columbarius) Sprague’s pipit (Anthus spragueii) Barn owl (Tyto alba)
1 2

Latilong 13 – Atlas of Birds, Mammals, Amphibians, and Reptiles in Wyoming (Cerovski et al. 2004). Historical Occurrence/Status in the North Hilight Field LBA survey area is based on records from annual monitoring conducted at the Black Thunder and Jacobs Ranch mines from 1993 through 2007. Sighting records were derived from actual occurrence on or within ½ mile of the LBA tract and the Alternative 2 tract configuration area or from observations related to Black Thunder and Jacobs Ranch mines’ baseline and annual monitoring.

Draft EIS, Wright Area Coal Lease Applications

S1-63

Supplementary Information on the Affected Environment S1-10.7 Other Species Wildlife surveys completed specifically for the applicant mine and other neighboring mines, as well as biological research projects in the eastern Powder River Basin, have documented numerous other wildlife species that inhabit the region, including various waterfowl, shorebirds and other non-game birds, amphibians, reptiles, and aquatic species. All of these species can be locally common inhabitants of the area, depending on the quantity and quality of aquatic habitats present. Under natural conditions, the general Wright analysis area provides limited and marginal aquatic habitat for waterfowl and shorebirds. The natural aquatic habitat, prior to CBNG development within the Little Thunder Creek drainage basin, was mainly available during spring migration as ponds (primarily stock reservoirs and playa areas), and intermittent and ephemeral streams. Many of these water features generally were reduced to small, isolated pools or were completely dry during summer. However, the relatively recent development of CBNG resources within and upstream of the general analysis area has enhanced the water resources available in the area, resulting in somewhat improved habitat for waterfowl and shorebirds. Waterfowl and shorebird observations have primarily consisted of relatively low numbers of common species, often restricted to spring migration. Few broods have been recorded in the area during baseline or annual monitoring studies due to limited and unreliable water resources in the area. Avian species typically associated with aquatic habitats in the general Wright analysis area include, but are not limited to, the mallard duck (Anas platyrhynchos), killdeer (Charadrius vociferus), and red-winged blackbird (Agelaius phoeniceus). The lack of deepwater habitat and extensive and persistent water sources limits the presence and diversity of fish and other aquatic or semi-aquatic species. As discussed above, water discharged from CBNG wells has enhanced the water supply within some drainages in the general Wright analysis area, including Black Thunder Creek and its tributaries, which has increased potential habitat for some aquatic species. However, those temporarilyenhanced areas are still relatively limited and/or isolated in nature, and no perennial drainages are present in the general analysis area. CBNG production and the associated surface discharge of groundwater from coal seams has and will continue to decrease over time and eventually end, returning streamflows to natural conditions. Few reptiles and amphibians have been recorded during wildlife surveys conducted in the general analysis area for the North Hilight Field LBA Tract over the years. The relatively low quantity and quality of aquatic habitat in the area reduces its potential to attract these species, particularly amphibians and turtles. The boreal chorus frog (Pseudacris triseriata) has been the most common herptile observed in the area during baseline and annual monitoring surveys over the last two decades. These frogs have been heard in creeks and ponds throughout the area during spring. Other less common species recorded S1-64 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment on or near the general analysis area over time included the northern leopard frog (Rana pipiens) and tiger salamander (Ambystoma tigrinum). Prairie rattlesnakes (Crotalus viridis) have been observed infrequently in sagebrush stands throughout the area. Other dry land species, such as the bullsnake (Pituophis melanoleucas), are likely to occur in the general Wright analysis area. S1-11 LAND USE AND RECREATION A majority (approximately 99 percent) of the surface estate on the North Hilight Field LBA Tract as applied for and the area added under Alternative 2 (the BLM study area) is privately owned. Roughly 81 acres, or 1 percent, of the tract’s BLM study area is owned by the U.S. Department of Agriculture. The surface ownership of the North Hilight Field tract is shown in detail on Figure 3-40 and the distribution of surface ownership is given in Table 3-14 in the WAC DEIS document. Livestock grazing is the primary land use within the BLM study area for the LBA tract, while oil and gas production, wildlife habitat, and recreation are secondary land uses. Areas of disturbance within and near the North Hilight Field tract include roads, oil and gas wells and associated production facilities, surface minerelated facilities and activities, and activities associated with ranching operations. State Highway 59, which runs north-south, is located about 6 miles west of the LBA tract, and State Highway 450, which runs east-west, is about 2 miles south of the tract. County roads that border or traverse the North Hilight Field LBA Tract and provide public and private access include Shroyer Road (County Road 116) and Hilight Road (County Road 52). Small Road and Jacobs Road also traverse the tract, but they have recently been vacated by the Campbell County Board of Commissioners. Several unnamed two-track roads traverse and provide private access within and near the proposed lease area. The Burlington Northern Santa Fe & Union Pacific (BNSF & UP) railroad right-of-way (ROW) borders the west side of the LBA tract’s general analysis area (Figure 3-1 in the WAC DEIS document). The oil and gas estate within the North Hilight Field LBA Tract as applied for and the area added under Alternative 2 is federally and privately owned, with the majority (approximately 69 percent) being privately owned. The ownership of the North Hilight Field oil and gas estate is shown in the WAC DEIS document on Figure 3-46. A listing of the current federal oil and gas lessees of record is included as Table 3-15 in the WAC DEIS document. According to the Wyoming Oil and Gas Conservation Commission (WOGCC) records as of May 14, 2008, there were 27 conventional oil wells on lands included in the North Hilight Field LBA Tract as proposed and the lands added under Alternative 2 that were producing or capable of producing and ten oil wells have been plugged and abandoned (refer to Figure 3-46 in the WAC DEIS document for locations). The most recent oil well in the tract’s general analysis area was drilled in 1979 (WOGCC 2008a). Conventional oil and gas wells Draft EIS, Wright Area Coal Lease Applications S1-65

Supplementary Information on the Affected Environment capable of production within the BLM study area for the North Hilight Field tract are listed in Appendix E of the WAC DEIS document. According to the WOGCC records as of May 14, 2008, 34 coal bed natural gas (CBNG) wells were producing and six CBNG wells were shut-in within the lands encompassed by the North Hilight Field LBA Tract as applied for and the lands added under Alternative 2 (refer to Figure 3-46 in the WAC DEIS document for locations). Extensive CBNG development has occurred on lands north, south, and west of the tract. CBNG wells capable of production within the BLM study area for the North Hilight Field LBA Tract are listed in Appendix E of the WAC DEIS document. Coal mining is a dominant land use to the north and south of the LBA tract. The Black Thunder, Jacobs Ranch, and North Antelope Rochelle mines form a group of contiguous or nearly contiguous surface coal mines located in Campbell and Converse counties (Figure S-1). The North Hilight Field, South Hilight Field, West Hilight Field, West Jacobs Ranch, North Porcupine, and South Porcupine LBA Tracts being evaluated in the WAC DEIS are in this group of mines (Tables 1-1 and 1-2 in the WAC DEIS document). Coal production from the three applicant mines involved in the WAC lease applications (Jacobs Ranch, Black Thunder, and North Antelope Rochelle) increased by roughly 59 percent between 1998 and 2007 (from approximately 120.1 million tons in 1998 to 191.3 million tons in 2007). Since decertification, nine coal leases (the Jacobs Ranch, West Black Thunder, North Antelope/Rochelle, Powder River, Thundercloud, North Jacobs Ranch, NARO South, Little Thunder, and NARO North LBA Tracts) have been issued within this group of mines. Big game hunting is the principal recreational land use within the LBA tract’s general analysis area. Pronghorn and mule deer are the most common big game species within the area. On private lands, hunting is allowed only with landowner permission. Land ownership within the PRB is largely private (approximately 80 percent), with some private landowners permitting sportsmen to cross and/or hunt on their land. There has been a trend over the past two to three decades towards a substantial reduction in private lands that are open and reasonably available for hunting. Access fees continue to rise and many resident hunters feel these access fees are unreasonable. This trend has created problems for the WGFD in their attempt to distribute and control harvest at optimal levels, as well as for sportsmen who desire access to these animals (WGFD 2007a). Specific details regarding big game herd management objectives within and near the general Wright analysis area are contained in Wyoming Game and Fish Department’s (WGFD’s) 2007 Big Game Herd Unit Job Completion Reports for the Casper and Sheridan Regions (WGFD 2007a). The WGFD classifies the entire general Wright analysis area as yearlong (a population or substantial portion of a population of animals makes general use of this habitat on a yearround basis, but may leave the area under severe conditions on occasion) and winter/yearlong range (a population or a portion of a population of animals S1-66 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment makes general use of this habitat on a year-round basis, with a significant influx of additional animals onto this habitat from other seasonal ranges in the winter) for pronghorn. The North Hilight Field general analysis area is within the Hilight Herd Unit (Hunt Area 24). In post-season 2007, the WGFD estimated the Hilight Herd Unit population to be approximately 12,397 animals, which is above the WGFD objective of 11,000 (WGFD 2007a). The North Hilight Field LBA Tract as applied for and the area added by Alternative 2 are located within the WGFD Thunder Basin Mule Deer Herd Unit (Hunt Area 21). No crucial or critical mule deer ranges or migration corridors occur on or within several miles of the tract’s general analysis area. Crucial range is defined as any particular seasonal range or habitat component that has been documented as the determining factor in a population’s ability to maintain and reproduce itself at a certain level. The WGFD estimated the 2007 post-season mule deer population in this herd unit at 20,980, which is slightly above the current objective of 20,000 (WGFD 2007a). A resident elk herd resides in the Rochelle Hills, which are located just east of the North Hilight Field LBA Tract. Elk do wander from the protection of the Rochelle Hills to forage in native and reclaimed grasslands in the vicinity of the tract’s general analysis area. No portion of the tract’s general analysis area is classified by the WGFD as within normal elk use range. As more lands adjacent to the Rochelle Hills are reclaimed from mining, elk are shifting their winter use to these areas. The WGFD has designated an approximately 5 square mile area on reclaimed lands within the Jacobs Ranch Mine permit area as crucial winter habitat for the Rochelle Hills elk herd (Odekoven 1994). Rio Tinto Energy America (RTEA), owner of the Jacobs Ranch Mine, and the Rocky Mountain Elk Foundation (RMEF) finalized a formal agreement that created the Rochelle Hills Conservation Easement. The easement contains nearly 1,000 acres, with 75 percent of that total comprised of reclaimed mining lands on RTEA’s Jacobs Ranch Mine. The easement acreage was donated to RMEF by RTEA to ensure that the reclaimed land continues to be used as grazing land and wildlife habitat for the extended future (RMEF 2007). The Jacobs Ranch Mine is located adjacent to the general analysis area for the West Hilight Field LBA Tract (Figure S-1). Elk have been observed within the general Wright analysis area in recent years, but they are typically restricted to the pine breaks east of the Cordero Rojo, Coal Creek, and Jacobs Ranch mines. The WGFD estimated the 2007 post-season elk population for the Rochelle Hills Herd Unit at 600, which is 50 percent above the current objective of 400 animals (WGFD 2007a). White-tailed deer are generally not managed separately by the WGFD, but are managed and hunted in conjunction with mule deer. The population occupying Hunt Areas 10 and 21 is part of the Central White-tailed Deer Herd Unit. White-tailed deer are seldom observed within the general Wright analysis area due to their preference for riparian woodlands and irrigated agricultural lands. The WGFD classifies the entire general Wright analysis area as out of the normal white-tailed deer use range. A narrow corridor along Antelope Draft EIS, Wright Area Coal Lease Applications S1-67

Supplementary Information on the Affected Environment Creek south of the general Wright analysis area is classified as yearlong white tail range. The WGFD does not have population estimates for this herd unit due to the challenges of obtaining adequate classifications in many hunt areas within the herd unit. Under natural conditions, the general analysis area for the North Hilight Field tract provides very limited aquatic habitat for waterfowl and shorebirds. The natural aquatic habitat, prior to CBNG development within the Little Thunder Creek drainage basin, was mainly available during spring migration as ponds (primarily stock reservoirs and playa areas), and intermittent and ephemeral streams. Many of these water features generally were reduced to small, isolated pools or were completely dry during summer. The relatively recent development of CBNG within and upstream of the general Wright analysis area has enhanced the surface water resources available for aquatic wildlife use in the area, resulting in somewhat improved habitat for waterfowl and shorebirds. The lack of deepwater habitat, extensive and persistent water sources, and mesic habitat in general limits the presence and diversity of fish and other aquatic or semi-aquatic species within most of the general Wright analysis area. As discussed above, water discharged from CBNG wells has enhanced the water supply within some drainages in and around the North Hilight Field tract, which has increased potential habitat for some aquatic species. However, those enhanced areas are still relatively limited and/or isolated in nature. S1-12 CULTURAL RESOURCES The entire general analysis area for the North Hilight Field LBA Tract has been intensively surveyed at a Class III level. Cultural resource inventories in this area began in the early 1980s and continued with numerous projects associated with oil and gas field development as well as surface mining operations throughout the 1990s and 2000s. Thunder Basin Coal Company, LLC (TBCC) contracted with GCM Services, Inc., of Butte, Montana to perform Class I inventories of all previous surveys and Class III surveys of all unsurveyed areas within the general analysis area for the North Hilight Field LBA Tract. GCM completed the Class III level inventory of the tract’s general analysis area in the summer of 2007 (reports not yet accessioned by the SHPO). The 2007 survey included a total of approximately 6,840 acres within the combined general analysis areas for the North, South and West Hilight Field LBA Tracts. A review of the Wyoming Cultural Resource Information System (WYCRIS) produced information from seven large-scale (40 acres or larger) Class III block inventory projects that cover the general analysis area for the North Hilight Field LBA Tract. In addition, several small-scale inventories were reported in that area. Small-scale inventories include seismic grids, well pads, access routes, utility corridors and drill holes associated with oil and gas development. These small projects were not listed in the large block inventory summary table S1-68 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment (Table S1-9); however, any sites associated with small projects are included on the site summary table (Table S1-10). Table S1-9. Large Block Class III Cultural Resource Inventories Within the General Analysis Area for the North Hilight Field LBA Tract.
Survey Organization GCM Services Location T44N, R70W, Section 7, SS T44N, R70W, Section 8, SS T44N, R70W, Section 9, SWSW T44N, R70W, Section 15, SS Year 2007 Project Name Thunder Basin Coal N. Hilight Amendment Area Thunder Basin Coal N. Hilight Amendment Area Thunder Basin Coal N. Hilight Amendment Area

Accession No. not accessioned

not accessioned

GCM Services

2007

not accessioned

GCM Services

2007

not accessioned

GCM Services

2007

Thunder Basin Coal N. Hilight Amendment Area

83 1334 04

Western Cultural T44N, R70W, Resource Section 16, Management WW, SESW, SSE GCM Services T44N, R70W, Section 17, NN T44N, R70W, Section 17, SN, SW, SNE, ESE T44N, R70W, Section 17, WSE T44N, R70W, Section 18, NNE T44N R70W Section 18, SE, SNE T44N, R70W, Section 18, W T44N, R70W, Section 19, SWNW, NE T44N R70W Section 19, EW, NWNW

1983

Keeline Mine

not accessioned

2007

Thunder Basin Coal N. Hilight Amendment Area

not accessioned

GCM Services

2007

Thunder Basin Coal North Hilight LBA

1 728 0

Greer Services

2001

South Hilight Field CBM Planning

not accessioned

GCM Services

2007

Thunder Basin Coal N. Hilight Amendment Area

not accessioned

GCM Services

2007

Thunder Basin Coal North Hilight LBA

1 728 0

Greer Services

2001

South Hilight Field CBM Planning

not accessioned

GCM Services

2007

Thunder Basin Coal North Hilight LBA

1 728 0

Greer Services

2001

South Hilight Field CBM Planning

Draft EIS, Wright Area Coal Lease Applications

S1-69

Supplementary Information on the Affected Environment Table S1-9. Large Block Class III Cultural Resource Inventories Within the General Analysis Area for the North Hilight Field LBA Tract (Continued).
Survey Organization GCM Services Location T44N, R70W, Section 19, S T44N, R70W, Section 20, NW, SENE T44N, R70W, Section 20, NENE T44N, R70W, Section 20, WE T44N, R70W, Section 20, S T44N, R70W, Section 21, NENW, NWNE T44N, R70W, Section 21, NENE T44N, R70W Section 21, S T44N, R70W, Section 22, NN, NSENE T44N, R70W, Section 22, SNW, SWNE, SSENE T44N, R70W, Section 22, S T44N, R70W, Section 23, WNW T44N, R70W, Section 23, SWSW Year 1999 Project Name Jacobs Ranch Coal Mine North and East Thunder Basin Coal North Hilight LBA

Accession No. 99 1820 0

not accessioned

GCM Services

2007

83 1334 0

Western Cultural Resource Management Greer Services

1983

Keeline Mine

1 728 0

2001

South Hilight Field CBM Planning

99 1820 0

GCM Services

1999

Jacobs Ranch Coal Mine North and East Thunder Basin Coal N. Hilight Amendment Area

not accessioned

GCM Services

2007

83 1334 0

Western Cultural Resource Management GCM Services

1983

Keeline Mine

99 1820 0

1999

Jacobs Ranch Coal Mine North and East Thunder Basin Coal N. Hilight Amendment Area

not accessioned

GCM Services

2007

not accessioned

GCM Services

2007

Thunder Basin Coal North Hilight LBA

99 1820 0

GCM Services

1999

Jacobs Ranch Coal Mine North and East Thunder Basin Coal N. Hilight Amendment Area

not accessioned

GCM Services

2007

99 1820 0

GCM Services

1999

Jacobs Ranch Coal Mine North and East

S1-70

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S1-9. Large Block Class III Cultural Resource Inventories Within the General Analysis Area for the North Hilight Field LBA Tract (Continued).
Survey Organization GCM Services Location T44N, R71W, Section 11, SSW T44N, R71W, Section 11, SSE T44N, R71W, Section 12, SSE T44N, R71W, Section 12, SSW T44N, R71W, Section 13, NNE T44N, R71W, Section 13, SE, SNE T44N, R71W, Section 13, W T44N, R71W, Section 14, S, SN T44N, R71W, Section 14, NNE T44N, R71W, Section 14, NNW T44N, R71W, Section 23, N T44N, R71W, Section 23, SW T44N, R71W, Section 23, SE Year 2007 Project Name Thunder Basin Coal N. Hilight Amendment Area

Accession No. not accessioned

1 728 0

Greer Services

2001

South Hilight Field CBM Planning

not accessioned

GCM Services

2007

Thunder Basin Coal N. Hilight Amendment Area

1 728 0

Greer Services

2001

South Hilight Field CBM Planning

not accessioned

GCM Services

2007

Thunder Basin Coal N. Hilight Amendment Area

not accessioned

GCM Services

2007

Thunder Basin Coal North Hilight LBA

1 728 0

Greer Services

2001

South Hilight Field CBM Planning

not accessioned

GCM Services

2007

Thunder Basin Coal North Hilight LBA

1 728 0

Greer Services

2001

South Hilight Field CBM Planning

1 1453 0

Pronghorn Archaeological Services GCM Services

2001

Sager Cheyenne POD CBM

not accessioned

2007

Thunder Basin Coal North Hilight LBA North Extension Little Thunder LBA

1 1105 0

GCM Services

2001

99 1820 0

GCM Services

1999

Jacobs Ranch Coal Mine North and East

Draft EIS, Wright Area Coal Lease Applications

S1-71

Accession No. not accessioned

1 728 0

Greer Services

2001

South Hilight Field CBM Planning

99 1820 0

GCM Services

1999

Jacobs Ranch Coal Mine North and East Jacobs Ranch Coal Mine North and East North Extension Little Thunder LBA

99 1820 0

GCM Services

1999

1 1105 0

GCM Services

2001

0 1541-3

GCM Services

2001

Little Thunder Creek Amendment

Note: Some project areas may overlap in spatial extent. This may or may not reflect overlapping pedestrian surveys. Overlapping surveys may occur from unrelated projects (e.g., CBNG and coal mine projects on the same parcel), which occur close in time, delayed report accession, file search error, or intentional re-inspection of a previously surveyed area, due to unevaluated sites, project age, etc.

A total of 24 large-scale Class III cultural resource inventory projects have been conducted within the general analysis areas for the West and South Hilight Field tracts. Sixteen large-scale studies encompass the West Hilight Field tract and 17 studies encompass the South Hilight Field tract (many of these studies occur in both tracts). Within the general analysis areas for the North, South and West Hilight Field tracts, a total of 147 cultural properties (sites) have been recorded. Of these, 110 sites were previously recorded and were identified during record searches. An additional 37 sites were located during the 2007 Class III inventories of the remaining unsurveyed lands. The State Historic Preservation Office (SHPO) has not made National Register of Historic Places (NRHP) eligibility determinations for these sites at this time. Some of the cultural site’s eligibility determinations are pending remote sensing (magnetometer surveys) work and formal testing. A total of 52 cultural sites have been documented in the North Hilight Field general analysis area. Of these, 39 are prehistoric and 13 are historic. Prehistoric sites consist primarily of lithic scatters and campsites. Historic sites consist primarily of homesteads and trash dumps. Twelve of the prehistoric sites and five of the historic sites have been determined not eligible for the NRHP by the SHPO. Eight of the prehistoric sites have been determined to be eligible for the NRHP by the SHPO. Nineteen of the prehistoric sites and S1-72 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S1-10. Cultural Resource Sites in the General Analysis Area for the North Hilight Field LBA Tract. Recorder's Affiliation Site Number NRHP Status Recommended Year
48CA0177 48CA0334 48CA0337 48CA0339 48CA0341 48CA0343 48CA0362 48CA0366 48CA0367 48CA0452 48CA0453 48CA2118 48CA3375 48CA3514 48CA3543 48CA3544 48CA3545 48CA3547 48CA3561 48CA3562 48CA3845 48CA3846 48CA3849 48CA3850 48CA3851 48CA3853 48CA3854 48CA3855 48CA3857 48CA6734 48CA6735 48CA6736 48CA6737 48CA6738 48CA6739 48CA6740 48CA6741 48CA6742 48CA6841 U NE NE NE U U NE NE U U U U NE U NE NE U NE NE NE E E E E E E E E NE U U U U U U U U U U Prehistoric sites Formal testing No further work No further work No further work Formal testing Formal testing No further work No further work Request review Request review Request review Formal testing No further work Not found 2007* No further work No further work No further work No further work No further work No further work Avoid or mitigate Avoid or mitigate Avoid or mitigate Avoid or mitigate Avoid or mitigate Avoid or mitigate Avoid or mitigate Avoid or mitigate No further work Formal testing Request review Request review Formal testing Formal testing Formal testing Request review Request review Formal testing Request review 2001 2001 2002 2002 2002 none 2005 2005 none none none none 2001 none 2002 2002 2002 2002 2002 2002 2001 2001 2001 2001 2001 2001 2001 2001 2001 none none none none none none none none none none Greer Services Greer Services GCM Services GCM Services GCM Services Greer Services WCRM WCRM WCRM BLM BLM WCRM Greer Services U. of So. Dakota GCM Services GCM Services GCM Services GCM Services GCM Services GCM Services Greer Services Greer Services Greer Services Greer Services Greer Services Greer Services Greer Services Greer Services Greer Services GCM Services GCM Services GCM Services GCM Services GCM Services GCM Services GCM Services GCM Services GCM Services GCM Services

Draft EIS, Wright Area Coal Lease Applications

S1-73

Supplementary Information on the Affected Environment Table S1-10. Cultural Resource Sites in the General Analysis Area for the North Hilight Field LBA Tract (Continued). Recorder's Affiliation Site Number NRHP Status Recommended Year
Historic sites 48CA0373 U Request review none Greer Services 48CA0376 U Request review none WCRM 48CA3546 NE No further work 2002 GCM Services 48CA3856 NE No further work 2007 Greer Services 48CA4245 NE No further work 2006 Arcadis U.S. 48CA5573 NE No further work 2007 GCM Services 48CA6733 U Request review none GCM Services 48CA3542 NE No further work 2002 GCM Services homestead 48CA6743 U Request review none GCM Services homestead 48CA6744 U Request review none GCM Services homestead 48CA6745 U Request review none GCM Services homestead U Request review none GCM Services 48CA6746 homestead 48CA6755 U Request review none GCM Services homestead U = Undetermined or no review by SHPO. Site may have a consultant and/or agency recommendation, but has either not been reviewed by SHPO or SHPO required additional information in order to make a determination. This site must be avoided until a determination is made. NE = Not Eligible (with SHPO concurrence). This site requires no further consideration. E = Eligible (with SHPO concurrence). This site will have to be avoided or an approved mitigation plan implemented. Formal testing: site has potential to meet eligibility criteria, formal testing required to make determination. Request review: site is recommended not eligible by recorder, no SHPO review as yet, recommend no additional work. Avoid or mitigate: site is determined eligible for NRHP by SHPO and must be avoided or mitigation plan approved. * This site was previously recorded but not found by GCM during 2007 inventory (presumed destroyed). No complete site form is on file.

eight historic sites are considered unevaluated for eligibility by the SHPO; of which many have never been reviewed, while at least eight will require additional documentation, testing or evaluation in order for the SHPO to make an eligibility determination. Table S1-10 lists the cultural sites, the site type (prehistoric or historic), the NRHP status (eligible, not eligible, or undetermined), the recommended action, and the recorder’s affiliation.

S1-74

Draft EIS, Wright Area Coal Lease Applications

SECTION 2

SOUTH HILIGHT FIELD LBA TRACT

Supplementary Information on the Affected Environment S2-1 TOPOGRAPHY AND PHYSIOGRAPHY The general analysis area for the South Hilight Field tract is located in the central portion of the general Wright analysis area. The LBA tract is bound by the BNSF & UP railroad on the west and the existing Black Thunder Mine on the north and east. The topography of the general South Hilight Field analysis area, like the area within the adjacent mine’s existing permit area, is relatively subdued. The landscape consists primarily of gently rolling terrain, drainage densities are quite low, and internally-drained areas forming playas are common topographic and hydrologic features. Much of the tract as applied for and the lands added by the BLM study area do not contribute runoff to any stream, and playas have formed in the lowest portion of these non-contributing drainage areas. With the exception of Little Thunder Creek, which crosses the northern portion of the LBA tract, only a few first order ephemeral stream courses occur within the tract’s general analysis area. Elevations range from 4,740 feet to 4,880 feet within the LBA tract as applied for, from 4,740 feet to 4,930 feet within the BLM study area, and from 4,740 feet to 4,942 feet within the tract’s general analysis area. The steepest slopes within the relatively nondescript landscape are slightly over 20 percent (a maximum of 27 percent) and occur in the breaks, or the broken land dissected by small ravines and gullies, at the transition between the Little Thunder Creek bottom lands and the adjacent uplands. The slopes of the gently rolling uplands, which comprise most (about 89 percent) of the general analysis area, seldom exceed 5 percent. S2-2 GEOLOGY Stratigraphic units in the general analysis area include, in descending order, recent (Holocene age) alluvial and eolian deposits, the Eocene age Wasatch Formation (the overburden), and the Paleocene age Fort Union Formation (which contains the target coal beds). The majority of the recent surficial deposits in the general analysis area are reworked Wasatch Formation residuum or deposits that are of mixed alluvial and eolian nature. The lithologies of these unconsolidated deposits represent materials eroded locally from the Wasatch Formation and reflect relatively near-source deposition. There are thin alluvial deposits along ephemeral streams and closed basin drainage channels. These alluvial deposits typically consist primarily of poorly to well-sorted, irregularly bedded to laminated, unconsolidated sand, silt, and clay with minor intervals of fine gravel. Eolian processes have reworked some of the surficial sands and silts, resulting in isolated deflation basins having no natural drainage. These internally-drained surface features (playas) commonly contain fine-grained sediments recently deposited from seasonal rainfall or snowmelt runoff events. The Eocene Wasatch Formation forms most of the overburden in the general analysis area. Wasatch rocks are exposed on the surface in some locations, particularly along steeper slopes formed by the more erosionally resistant Draft EIS, Wright Area Coal Lease Applications S2-1

Supplementary Information on the Affected Environment strata and along the breaks or the broken land dissected by small ravines and gullies. The Wasatch overburden consists of interbedded, lenticular sands/sandstones, silts/siltstones, clays and shales with thin discontinuous coal seams. Typically, units are gradational mixtures of these sediments. There is no distinct boundary between the Wasatch Formation and the underlying Paleocene Fort Union Formation. From a practical standpoint, however, the top of the mineable coal zone is considered as the contact between the two formations. Within the South Hilight Field LBA Tract as applied for, there are two coal seams (referred to as Upper and Middle Wyodak) and three coal seams (referred to as Upper, Middle, and Lower Wyodak) in the BLM study area for the South Hilight Field LBA Tract (Alternative 2 configuration). The Upper and Middle seams are separated by interburden (siltstones and shales) of variable thickness, but averages approximately 94 feet. The Lower Wyodak is not present over the entire BLM study area; the total coal thickness decreases in areas where it is not present. Due to quality issues, the Upper Wyodak may not be recovered. The upper coal seam within the study area averages approximately 5 feet, and the main coal seam within the study area averages approximately 76 feet, representing a cumulative coal depth of 81 feet. Table S2-1 presents the average thickness of the overburden, interburden, and the coal seams for the South Hilight Field LBA Tract. Figure S2-1 depicts two geologic cross sections (one north-south and one east-west) drawn through the LBA tract’s BLM study area. Table S2-1. Average Overburden and Coal Thicknesses in the South Hilight Field LBA Tract. Mining Unit Proposed Action (ft) Alternative 2 (ft) Overburden 292.0 292.0 81.0 Coal 81.0 Interburden 94.0 94.0 The Fort Union coal seams are subbituminous and are generally low-sulfur, low-ash coals. Typically, the coal being mined in the PRB has a lower heating value and higher sulfur content north of Gillette than south of Gillette. According to the analyses (which were done on an as-received basis) of exploration drilling samples collected in the South Hilight Field LBA Tract as applied for and the area added under Alternative 2, the average heating value of the coal is approximately 8,800 British thermal units per pound (Btu/lb), with an average of less than 0.6 percent sulfur, 5.4 percent ash, and 27.2 percent moisture. S2-3 PALEONTOLOGY Paleontological surveys were conducted in conjunction with the cultural resource inventories of the general analysis area for the South Hilight Field LBA Tract. Professional archeologists, in effort to locate unique pockets of fossilized bone such as those reported elsewhere in the Wasatch S2-2 Draft EIS, Wright Area Coal Lease Applications

R.71W. R.70W.
13 18

A
Section A-A'
24 19

LBA and BLM Study Area Boundary

27 25 30

4950

LBA and BLM Study Area Boundary

B B'
4800 4650 4500 4350
Middle Wyodak Upper Wyodak

B B'
4650 4500 4350 4200 0
12 7 36

4800 T. 31 43 N. T.
1 6 42

T. 43 34 N.

T. 42 N. N. 3000 4200

A'
R.71W. R.70W.

SECTION B-B'
SCALE: HORZ. 1" = 6,000', VERT. 1"=600'

CROSS SECTION LOCATION MAP

LBA and BLM Study Area Boundary

Little Thunder Creek

Section B-B'

LBA Boundary

Figure S2-1. Geologic Cross Sections for the South Hilight Field LBA Tract.

BLM Study Area Boundary Upper Wyodak Middle Wyodak Lower Wyodak

Draft EIS, Wright Area Coal Lease Applications
4950 4800 4650 4500 4350 4200 0 3000

SCALE: 1" = 10,000'

LEGEND A

4950 4800 4650 4500 4350 4200 6000 9000 12000 15000 18000 21000

Existing Black Thunder Mine Federal Coal Leases South Hilight Field LBA Tract as Applied for South Hilight Field LBA Tract Under Alternative 2, BLM's Preferred Alternative

GEOLOGY

Interbedded Sand, Sandstone, Siltstone, Claystone and Shale

Upper Wyodak Coal

Middle Wyodak Coal

Lower Wyodak Coal

SECTION A-A'
SCALE: HORZ. 1" = 6,000', VERT. 1"=600'

Supplementary Information on the Affected Environment

S2-3

Supplementary Information on the Affected Environment Formation in the PRB, closely examined outcrop localities during their intensive pedestrian surveys for cultural resources. Such concentrations of fossilized bone or fossil vertebrates were not found in any exposures of the Wasatch Formation. Due the ubiquitous nature of fossilized tree remains and bivalve fragments in the Wasatch Formation, the recording of fossil locations was confined to unique finds. The only observed fossils were of petrified wood fragments. Fossilized wood and leaves are common and can be observed at many unrecorded locations, particularly in associated with coal outcrops. No Wasatch Formation outcrop localities produced exceptional examples and no unique finds were located within the LBA tract’s general analysis area. S2-4 AIR QUALITY S2-4.1 Existing Emission Sources In the vicinity of the South Hilight Field LBA Tract, the main sources of air pollution are surface coal mining activities, vehicular traffic, railroad traffic, and various sources associated with oil and gas production and farming and ranching activities. The closest existing coal-fired power plants to the LBA tract are the Dave Johnston plant (approximately 53 miles south-southwest) and the Wyodak Complex (approximately 55 miles north), which consists of the 90-Mw WyGen No. 1, the 335-Mw Wyodak No. 1, the 21.8-Mw Neil Simpson No. 1, the 80-Mw Neil Simpson No. 2, and two 40-Mw natural gas-fired power plants. S2-4.2 Proposed Emission Sources All of the currently proposed emission sources in the eastern PRB are discussed in Chapter 4 of the WAC DEIS document. There are currently 12 pending LBA applications, including the South Hilight Field tract. Table S2-2 provides the approximate distances from the South Hilight Field tract to each of the other 11 pending LBA tracts. S2-4.3 Historical Ambient Air Quality: Particulate Emissions Refer to the discussions on historical particulate emission producing activities, monitoring results, and control measures at the Black Thunder Mine in Section S1-4.3. S2-4.4 Historical Ambient Air Quality: NO2 Emissions Refer to the discussions on historical NO2 emission producing activities, monitoring results, and control measures at the Black Thunder Mine in Section S1-4.4.

S2-4

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S2-2. Distances to Pending LBA Tracts. LBA Tract Hay Creek II Caballo West Belle Ayr North West Coal Creek Maysdorf II West Jacobs Ranch West Hilight Field North Hilight Field North Porcupine South Porcupine West Antelope II Adjacent Mine Buckskin Caballo Belle Ayr Coal Creek Cordero Rojo Jacobs Ranch Black Thunder Black Thunder North Antelope Rochelle North Antelope Rochelle Antelope Distance from South Hilight Field 54 miles northwest 29 miles north 29 miles north 16 miles north 19 miles north 2 miles north Proximate 4 miles north 2 miles south 5 miles south 7 miles south

S2-5 WATER RESOURCES South Hilight Field LBA Tract is adjacent to the Black Thunder Mine’s existing permit area; therefore, both the regional and site-specific baseline water resources around and within the South Hilight Field LBA Tract are extensively characterized in the mine’s Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD) mine permit (TBCC 2005). The following analysis is based largely on those findings. S2-5.1 Groundwater The South Hilight Field LBA Tract overlies three geologic water-bearing strata that have been or would be directly affected by mining. In descending order, these units are the recent alluvial deposits, the Wasatch Formation overburden, and the Fort Union Formation Wyodak coal seam that will be mined. The underlying, subcoal Fort Union Formation is utilized for industrial water supply at the nearby mines, but this unit is not physically disturbed by mining activities. Baseline hydrogeologic conditions within and around the Black Thunder Mine are characterized in the WDEQ/LQD mine permit (TBCC 2005), and ongoing groundwater monitoring data (depth to water and water quality) are included in the mine permit and annual reports. Black Thunder Mine’s current groundwater monitoring program is addressed in their 2007 WDEQ Annual Report (TBCC 2007), and Figure 3-20 in the Wright Area Coal Leases Draft EIS (WAC DEIS) depicts the locations of the currently active monitoring wells.

Draft EIS, Wright Area Coal Lease Applications

S2-5

Supplementary Information on the Affected Environment Recent Alluvium The South Hilight Field LBA Tract is within the Little Thunder Creek watershed. Recent alluvial deposits associated with surface drainages within the tract’s general analysis area are generally very thin and not laterally extensive enough to be considered aquifers. In addition, these unconsolidated deposits are typically very fine-grained and have very limited permeabilities, precluding any significant storage and movement of groundwater (TBCC 2005). Mapping of the area’s surficial geology (Reheis and Coates 1987, Moore and Coates 1978, Coates 1977 and 1978a) shows that alluvial deposits within the LBA tract’s general analysis area occur only along the channel of Little Thunder Creek (Figure S2-2), and these alluvial materials are comprised of stream-channel and overbank deposits. No aquifer tests on valley fill deposits have been documented in the Black Thunder Mine permit area due to the minimal saturated thickness and low transmissivity of the deposits. Hydrologic properties of the stream laid deposits are variable throughout the permit area due to variable depositional environments. Based on a comparison of soil texture and type with permeability values presented in the literature (Cedergren 1977), the average hydraulic conductivity for the valley fill streamlaid deposits and colluvium is estimated to range from 0.2 to 20 feet per day (ft/day). The specific yield of the streamlaid deposits and colluvium, as determined through laboratory analysis, was an overall transmissivity of 7x10-2 to 7x10-5 gallons per day per square foot (gpd/ft2) (TBCC 2005). Alluvial groundwater in this area is of poor quality and highly variable spatially. Available water quality data indicates alluvial groundwater from the valleys of Little Thunder Creek and North Prong Little Thunder Creek generally does not meet all of the WDEQ/WQD Standards (WDEQ/WQD 2009) for domestic and agricultural uses due to high total dissolved solids (TDS), sulfate and/or manganese concentrations. Ten monitoring wells installed to characterize alluvium at Black Thunder Mine exhibit an average TDS concentration of about 1,600 milligrams per liter (mg/L), which indicates the water is suitable for agricultural and livestock use. However, alluvial groundwater from monitoring wells BTA-24e and BTA-25 (refer to Figure 3-20 in the WAC DEIS for well locations) is not considered suitable for livestock use, as well as domestic and agricultural use (TBCC 2007). Wasatch Formation No significant differences in the physical and water-bearing characteristics of the Wasatch Formation strata (overburden) within the North Hilight Field and South Hilight Field LBA Tract’s general analysis areas are known to exist. Therefore, refer to the Wasatch Formation discussion in Section S1-5.1.

S2-6

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment
T. No rth 44 33 N. Dry Fork Lit tle T. 43 N.
4 3

R. 71 W. R. 70 W.
Pro ng
34
35 36 31
32

L ittle

T. 44 N. T. 43 N.

un de r

Cr e

Th un de r

Cr ee k
2

State

Highway

450

Brater

Dra w

Draw

Ma no r
ALLUVIAL DEPOSITS CONTINUE DOWNSTREAM

g on Pr
16 15 14 13
18

Sh ip ley
T L ittle hu n de rC

aw Dr
Li e ttl

rth

re e k
16

Thunder
k ee Cr

e ttl Li

Th un de

Cre

Hilight

T. 43
N. T. 42
N.
4

Roa oad

Dr aw

igg s

w Dra
31 34
35 36

R. 70 W. T. 43
N. T. 42
N.

Tru r ssle
32
33

Cre ek

G re y

LEGEND
Black Thunder Mine Permit Boundary South Hilight Field LBA Tract as Applied for South Hilight Field LBA Tract Under Alternative 2, BLM's Preferred Alternative Ephemeral Stream Channel Approximate Extent of Stream-channel and Overbank Alluvial Deposits
Alluvial deposits mapped by USGS (Moore
and Coates 1978, Coates 1977 and 1978a)
and Jacobs Ranch Coal Company.

0 2500 5000
10000

Edwards Road

Reno Road
BNSF & UP RR

Antel ope R oad

R. 71 W.

GRAPHIC SCALE (FEET)

Figure S2-2. Stream Laid Deposits Within and Adjacent to the South Hilight Field LBA Tract.

Draft EIS, Wright Area Coal Lease Applications

S2-7

Supplementary Information on the Affected Environment Wyodak Coal With the exception of the coal seam’s average thickness (81 feet thick in the South Hilight Field tract verses 61 feet thick in the North Hilight Field tract), no significant differences in the physical and water-bearing characteristics of the Wyodak coal aquifer within the North Hilight Field and South Hilight Field LBA Tract’s general analysis areas are known to exist. Therefore, refer to the Wyodak Coal discussion in Section S1-5.1. Subcoal Fort Union Formation Refer to the discussion on the subcoal Fort Union Formation that is used for industrial water supply at many PRB surface coal mines, including the Black Thunder Mine, in Section S1-5.1. S2-5.2 Surface Water The Black Thunder Mine site is situated near the eastern margin of the PRB, which is a broad structural trough that lies between the Big Horn Mountains and the Black Hills. The PRB is drained by three separate drainage systems: the Powder/Little Powder, the Cheyenne, and the Belle Fourche rivers. The Black Thunder Mine and South Hilight Field LBA Tract lie within the Little Thunder Creek watershed, which is a tributary of Black Thunder Creek, which is a tributary of the Cheyenne River. The topography of the Cheyenne River drainage basin is typified by broad, flat, inter-stream uplands and a wide, level expanse of eastward-sloping plains broken by a few isolated buttes. Little Thunder Creek flows from west to east through the mine’s permit area and empties into the Black Thunder Creek approximately 24 miles eastsoutheast of the South Hilight Field LBA Tract. The total drainage for Little Thunder Creek is approximately 127 square miles, and the mainstream channel is about 26 miles long. The Little Thunder Creek watershed has a dendritic drainage pattern with an approximate width (north-south) of 11.7 miles and an approximate length (east-west) of 15.3 miles. The relief of Little Thunder Creek’s drainage basin is 490 feet from its headwaters to its confluence with Black Thunder Creek. The Black Thunder Mine disturbs several drainages within the Little Thunder Creek watershed and Little Thunder Creek is currently diverted around the mining operation. The Black Thunder Mine is currently permitted to disturb approximately 4 percent of the Little Thunder Creek drainage basin. The entire Little Thunder Creek drainage basin was extensively studied by TBCC and the results of that study are included in the Black Thunder Mine permit (TBCC 2005). The South Hilight Field LBA Tract is adjacent to the mine’s existing permit area and a small portion of the tract as applied for lies within the permit area. Figure 3-28 in the WAC DEIS depicts the surface water features within and adjacent to the South Hilight Field LBA Tract. S2-8 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment The topography of the South Hilight Field LBA Tract, like the area within the mine’s existing permit area, is essentially subdued and drainage densities are fairly low and internally-drained playas are common topographic and hydrologic features. Little Thunder Creek drains most of the northern portion of the LBA tract. A short reach of the Little Thunder Creek channel crosses the northern portion of the LBA tract as applied for. The southern portion of the LBA tract does not contribute runoff to any stream and drains to a playa formed in the lowest portion of a natural topographic depression. This playa, being within the Little Thunder Creek watershed and adjacent to the mine’s permit area, was studied in the evaluation of the Little Thunder Creek drainage basin. The playa is roughly 62 acres with a contributing drainage area of 2,726 acres. Little Thunder Creek drains about 60 percent of the South Hilight Field LBA Tract general analysis area, and the non-contributing drainage to the playa covers the balance of the general analysis area. Briggs Draw, an ephemeral tributary of Little Thunder Creek, which drains the southwesternmost portion of the lands added by the BLM study area, has a drainage area of approximately 6.8 square miles with a topographic relief of 206 feet and a thalweg length of approximately 5.95 miles. All streams within and adjacent to the LBA tract are typical for the region, in that flow events are ephemeral. Stream runoff is typically of short duration and exhibits temporal patterns similar to precipitation events. All ephemeral streams in the region show the characteristic extreme low-flow period from October through January. Flow events frequently result from snowmelt during the late winter and early spring. Although peak discharges from such events are generally small, the duration and therefore the percentage of annual runoff volume can be considerable. During the spring, general storms (both rain and snow) are more frequent; hence increasing soil moisture and decreasing infiltration capacity, and subsequent rainstorms can result in higher runoff volumes and peak discharges. Black Thunder Mine has not monitored the streamflow on Briggs Draw. Hydrographs generated using data collected from the gaging stations located on Little Thunder Creek exhibit infrequent streamflow events of very low magnitude (less than 5 cubic feet per second). Presently, one in-channel reservoir is located in the South Hilight Field LBA Tract as applied for, and one other in-channel reservoir is located on lands added by the BLM study area. These impoundments have served to capture most of the streamflow, causing pronounced stream channel aggradation to the point at which it is difficult in places to distinguish the active channel from abandoned channel scars. The channel floor and banks are vegetated, no active erosion is evident, and the channel profile is irregular indicating the reduced streamflow cannot maintain its former gradient prior to the construction of the stock ponds. Due to the relatively small drainage areas and the storage capacities of the impoundments, streamflow events are limited and heavily regulated (TBCC 2005).

Draft EIS, Wright Area Coal Lease Applications

S2-9

Supplementary Information on the Affected Environment Little Thunder Creek is listed in the WDEQ/WQD Surface Water Classification List as a Class 3B stream that is not known to support fish populations or drinking water supplies. Class 3B waters are intermittent or ephemeral streams with sufficient water present to normally support aquatic life including invertebrates, amphibians, or other flora and fauna at some stage of their life cycles. Class 3B waters are also characterized by frequent linear wetlands or impoundments over its entire length (WDEQ/WQD 2009). Surface water quality samples have been collected from Little Thunder Creek and North Prong Little Thunder Creek at Black Thunder Mine’s monitoring sites, shown on Figure 3-28 in the WAC DEIS. Insufficient data and the ephemeral flows of the stream prevent the identification of seasonal trends; however, TDS values generally range from around 300 mg/L to 5,000 mg/L, and the water type is a sodium sulfate. The streamflow and water quality in Little Thunder Creek are currently being monitored by the Black Thunder Mine at sites located upstream and downstream of the mine operation and the data are being reported to the WDEQ/LQD in the mine’s annual reports. S2-5.3 Water Rights The Wyoming State Engineer’s Office (SEO) administers water rights in Wyoming. Water rights are granted for both groundwater and surface water appropriations. Prior to development of water resources associated with energy development, water appropriations (either groundwater or surface water) in the PRB were typically for livestock use. Records of the SEO have been searched for groundwater rights within a 3-mile radius of the BLM study area for the South Hilight Field LBA Tract. This information is required for WDEQ permitting. The summary of the most recent search is provided below. Currently, mining companies and coal bed natural gas (CBNG) development companies hold the majority of the water rights in the search area. A more detailed listing of the non-coal mine related groundwater rights within a 3-mile radius of the LBA tract is presented in Table S2-3. For the South Hilight Field LBA Tract, SEO data indicate that, as of October 8, 2007, there were 694 permitted water wells within 3 miles of the tract, of which, 211 wells are owned by coal mining companies. The other 483 non-coal mine related, permitted water wells, which include 425 wells permitted for uses related to CBNG development, are permitted for the following uses:
   

425 CBNG 39 livestock 2 domestic 17 monitoring

SEO records have been searched for surface water rights within a 3-mile radius of the BLM study area for the South Hilight LBA Tract. Like the groundwater S2-10 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment rights, this information is also required for WDEQ permitting. A summary of the most recent search is provided below. A more detailed listing of the noncoal mine related surface water rights is presented in Table S2-4. For the South Hilight Field LBA Tract, SEO records indicate that as of October 10, 2007, there were 143 permitted surface water rights within 3 miles of the tract, of which 70 are owned by coal mining companies. The other 73 non-coal mine related, permitted surface water rights are permitted for the following uses:
  

2 irrigation 21 livestock 50 not designated

Draft EIS, Wright Area Coal Lease Applications

S2-11

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract.
Permit No.
P116621W P5857P

Priority
7/8/1999 7/31/1966

TNS
42 42

RNG
70 70

SEC
4 4

QQ
SESW SWSW

Applicant
WEST ROUNDUP RESOURCES,INC ATLANTIC RICHFIELD COMPANY TRITON COAL COMPANY, LLC - NORTH ROCHELLE MINE** UNITED STATES FOREST SERVICE** WY STATE BOARD OF LAND COMMISSIONERS TRITON COAL COMPANY, LLC - NORTH ROCHELLE MINE** UNITED STATES FOREST SERVICE** WY STATE BOARD OF LAND COMMISSIONERS TRITON COAL COMPANY, LLC - NORTH ROCHELLE MINE** WY STATE BOARD OF LAND COMMISSIONERS** UNITED STATES FOREST SERVICE TRITON COAL COMPANY, LLC - NORTH ROCHELLE MINE** WY STATE BOARD OF LAND COMMISSIONERS** UNITED STATES FOREST SERVICE TRITON COAL COMPANY, LLC - NORTH ROCHELLE MINE** WY STATE BOARD OF LAND COMMISSIONERS** UNITED STATES FOREST SERVICE WEST ROUNDUP RESOURCES,INC TRITON COAL COMPANY RENO LIVESTOCK CORPORATION THUNDER BASIN COAL CO., LLC RENO LIVESTOCK CORPORATION**NAN HENDERSON

Facility Name
4/14/2001 HEARTSPEAR 3

Status
GST GST

Uses
MON STO

Yld
0 2

TD
202 233

P163923W

7/23/2004

NESW

DW0420

GSI

MIS

P163925W

7/23/2004

NESW

DW0422

GSI

MIS

P163922W

7/23/2004

NENW

DW0419

GSI

MIS

P163916W

7/23/2004

NESW

PD0404

GSI

MIS

P163924W P116623W P116624W P5859P P85872W P5865P

7/23/2004 7/8/1999 7/8/1999 12/31/1970 8/20/1991 8/31/1966

42 42 42 42 42 42

70 70 70 70 70 70

4 5 5 6 6 7

NESW SESW NWSW SWSW SWSW SENE

DW0421 5/14/2001 5-02-C1 HEARTSPEAR 5 BTR-160 HEARTSPEAR 11

GSI GST GST GST GST GST

P171649W

2/14/2005

NESW

YATES PETROLEUM CORP.

THUNDER BASIN CS FEDERAL #04

GST

P171650W P157823W P171761W P157822W P172658W P78847W

2/14/2005 4/9/2004 4/5/2005 4/9/2004 1/12/2006 1/3/1989

42 42 42 42 42 42

70 70 70 70 70 70

7 7 7 7 7 8

SWSW NENW NESE SWNW NESE SESE

YATES PETROLEUM CORP. BILL BARRETT CORPORATION YATES PETROLEUM CORP. BILL BARRETT CORPORATION TRITON COAL COMPANY, LLC- NORTH ROCHELLE USDA FOREST SERVICE

THUNDER BASIN CS FEDERAL #06 TRITON COAL 21-7-4270 THUNDER BASIN CS FEDERAL #02 TRITON COAL 12-7-4270 7/10/2005 TB 259

GST GSI GSI GSI GST GST

P171648W P175434W P157824W P157825W P162372W P160418W P162370W P160417W

2/14/2005 6/20/2006 4/9/2004 4/9/2004 9/10/2004 7/2/2004 9/10/2004 7/2/2004

42 42 42 42 42 42 42 42

70 70 70 70 70 70 70 70

9 16 16 16 17 17 17 17

SWNW SWNW SWNW SWSW NESE NESW SWNE SWNW

YATES PETROLEUM CORP. WEST ROUNDUP RESOURCES, INC.** STATE OF WYOMING, STATE LANDS & INVESTMENTS BILL BARRETT CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS BILL BARRETT CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION

ENOLA CS FEDERAL #02 SCT-1 STATE 12-16-4270 STATE 14-16-4270 PORK NE FEDERAL 43-17-4270 PORK NE FEDERAL 23-17-4270 PORK NE FEDERAL 32-17-4270 PORK NE FEDERAL 12-17-4270

GSI GSI GSI GSI GSI GST GSI GST

MIS MON MON STO MON STO STO, CBM, MIS STO, CBM, MIS CBM CBM, MIS CBM MON STO STO, CBM, MIS STO CBM CBM STO, CBM STO, CBM STO, CBM STO, CBM

0 0 2 0 1

73 250 -1 425 75

200

442

200

485

336

520

502

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P162371W P132962W P8981P

Priority
9/10/2004 3/7/2001 8/2/1966

TNS
42 42 42

RNG
70 70 70

SEC
17 17 18

QQ
SWSE NESW NWSE

Applicant
BILL BARRETT CORPORATION POWDER RIVER COAL CO. USDA FOREST SERVICE

Facility Name
PORK NE FEDERAL 34-17-4270 PRCC-23A WILKINSON #T B 107

Status
GSI GST GST

Uses
STO, CBM MON STO CBM, RES, STO STO, CBM, MIS CBM, MIS STO, CBM STO, CBM DOM, STO MON STO, CBM STO, CBM STO, CBM CBM CBM STO, CBM STO, CBM STO, CBM MON STO STO STO, CBM STO, CBM STO, CBM STO, CBM STO MON STO, CBM, RES STO, CBM

Yld

0 4

481 110

P160177W

6/14/2004

NENW

YATES PETROLEUM CORP.

THUNDER BASIN CS FEDERAL #12

GST

200

494

P171651W P171762W P160420W P160419W P25605P 40/10/322W P162373W P160422W P160423W P157826W P157827W P160421W P160426W P160424W P172657W P12757P P44327W P146425W P146426W P146427W P146428W P101801W P167584W

2/14/2005 4/5/2005 7/2/2004 7/2/2004 1/14/1974 8/30/2007 9/10/2004 7/2/2004 7/2/2004 4/9/2004 4/9/2004 7/2/2004 7/2/2004 7/2/2004 1/12/2006 12/30/1950 7/20/1978 8/5/2002 8/5/2002 8/5/2002 8/5/2002 3/20/1996 5/19/2005

42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

70 70 70 70 70 70 70 70 70 70 70 70 70 70 71 71 71 71 71 71 71 71 71

18 18 18 18 19 19 19 19 19 19 19 19 20 20 1 2 2 2 2 2 2 3 3

SWNE NENE NESE NESW NESW NWNE NENE NENW NESE NESW SWNE SWSW NENW SWNW SWNE NENW NWSW SWNW SWSW NENW NESW NESW SESE

YATES PETROLEUM CORP. YATES PETROLEUM CORP. BILL BARRETT CORPORATION BILL BARRETT CORPORATION PAUL & EDITH RUTH WILKINSON POWDER RIVER COAL, LLC BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION TRITON COAL COMPANY, LLC- NORTH ROCHELLE USDA FOREST SERVICE USDA FOREST SERVICE US FOREST SERVICE THUNDER BASIN NATIONAL GRASSLANDS** LANCE OIL & GAS COMPANY, INC US FOREST SERVICE THUNDER BASIN NATIONAL GRASSLANDS** LANCE OIL & GAS COMPANY, INC US FOREST SERVICE THUNDER BASIN NATIONAL GRASSLANDS** LANCE OIL & GAS COMPANY, INC US FOREST SERVICE THUNDER BASIN NATIONAL GRASSLANDS** LANCE OIL & GAS COMPANY, INC BRIDLE BIT RANCH CO. WEST ROUNDUP RESOURCES INC.

THUNDER BASIN CS FEDERAL #15 THUNDER BASIN CS FEDERAL #10 PORK NE FEDERAL 43-18-4270 PORK NE FEDERAL 23-18-4270 WILKINSON #1 PRCC-34B PORK NE FEDERAL 41-19-4270 PORK NE FEDERAL 21-19-4270 PORK NE FEDERAL 43-19-4270 PRCC 23-19-4270 PRCC 32-19-4270 PORK NE FEDERAL 14-19-4270 PORK NE FEDERAL 21-20-4270 PORK NE FEDERAL 12-20-4270 1/7/2005 REVLAND #TB 35 MARG #2 PORCUPINE FEDERAL #12-2 PORCUPINE FEDERAL #14-2 PORCUPINE FEDERAL #21-2 PORCUPINE FEDERAL #23-2 BBRC BLACK BUTTE #1 SC-3-0

GSI GSI GST GST GST UNA GST GST GST GST GST GST GST GST GST GST GST GSI GSI GSI GSI GST GSI

14 13 5

500 492 12

14 14 14 13 14 12 15 13 0 4 3

490 492 476 465 451 467 480 486 305 165 373

264

P145445W P145446W

7/10/2002 7/10/2002

42 42

71 71

3 3

SWNW SWSW

COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH BRIDLE BIT RANCH #3-12 COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH BRIDLE BIT RANCH #3-14

GST GST

12 20

638 615

Draft EIS, Wright Area Coal Lease Applications

S2-13

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P145447W P145448W P150791W P150797W P150801W P150808W P145115W P145116W P145117W P145118W P145119W P145120W P145121W P145144W P163380W P163381W P163382W P163383W P163384W P163385W P163386W P164544W P145122W P145123W P150784W P150788W P150792W P150798W P150802W P163387W P164545W P145124W P145125W P145126W P150785W P150787W P150794W P150805W P150809W P160710W P160711W P161326W P145127W P145128W P145129W

Priority
7/10/2002 7/10/2002 4/4/2003 4/4/2003 4/4/2003 4/4/2003 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 12/20/2004 5/20/2002 5/20/2002 4/4/2003 4/4/2003 4/4/2003 4/4/2003 4/4/2003 10/19/2004 12/20/2004 5/20/2002 5/20/2002 5/20/2002 4/4/2003 4/4/2003 4/4/2003 4/4/2003 4/4/2003 7/2/2004 7/2/2004 8/3/2004 5/20/2002 5/20/2002 5/20/2002

TNS
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 8 8 8 8 8 8 8 8 8 8 8 9 9 9

QQ
NENW NESW SWNE SWSE NENE NESE SWSW NENW NESW SWNE SWSE NENE NESE SWNW SWNW SWSW NENW NESW SWNE SWSE NENE NESE NESW NESE SWNW NENW SWNE SWSE NENE NESE NESW NENW NESW SWSE SWNW SWSW SWNE NENE NESE NENW NESW SWSE SWNW SWSW NENW

Applicant

Facility Name

Status
GST GST GST GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST GST GST GST GST GST GSI GSI GST GST GST GST GST GST GSI GSI GSI GSI GST GST GST GST GSI GSI GSI GSI GSI GSI GSI

Uses
STO, CBM STO, CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM

Yld
7 20 16 16 16 16

TD
541 584 555 580 500 584

COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS BRIDLE BIT RANCH #3-21 & BRIDLE BIT RANCH COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS BRIDLE BIT RANCH #3-23 & BRIDLE BIT RANCH MERIT ENERGY COMPANY**JERRY DILTS PORCUPINE CBM 32-3-4271 MERIT ENERGY COMPANY**JERRY DILTS PORCUPINE CBM 32-3-4271 MERIT ENERGY COMPANY**JERRY DILTS PORCUPINE CBM 41-3-4271 MERIT ENERGY COMPANY**JERRY DILTS PORCUPINE CBM 43-3-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL #14-4-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL #21-4-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL #23-4-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL #32-4-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL #34-4-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL #41-4-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL #43-4-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL #12-4-4271 MERIT ENERGY COMPANY PORCUPINE FED 12-04-4271 MERIT ENERGY COMPANY PORCUPINE FED 14-04-4271 MERIT ENERGY COMPANY PORCUPINE FED 21-04-4271 MERIT ENERGY COMPANY PORCUPINE FED 23-04-4271 MERIT ENERGY COMPANY PORCUPINE FED 32-04-4271 MERIT ENERGY COMPANY PORCUPINE FED 34-04-4271 MERIT ENERGY COMPANY PORCUPINE FED 41-04-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL 43-04-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL #23-5-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL #43-5-4271 MERIT ENERGY COMPANY**JERRY DILTS PORCUPINE CBM 12-5-4271 MERIT ENERGY COMPANY PORCUPINE CBM 21-5-4271 MERIT ENERGY COMPANY**JERRY DILTS PORCUPINE CBM 32-5-4271 MERIT ENERGY COMPANY**JERRY DILTS PORCUPINE CBM 34-5-4271 MERIT ENERGY COMPANY**JERRY DILTS PORCUPINE CBM 41-5-4271 MERIT ENERGY COMPANY PORCUPINE FED 43-05-4271 MERIT ENERGY COMPANY PORCUPINE FED 23-05-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL #21-8-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL #23-8-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL #34-8-4271 MERIT ENERGY COMPANY**JERRY DILTS PORCUPINE CBM 12-8-4271 MERIT ENERGY COMPANY**JERRY DILTS PORCUPINE CBM 14-8-4271 MERIT ENERGY COMPANY**JERRY DILTS PORCUPINE CBM 32-8-4271 MERIT ENERGY COMPANY**JERRY DILTS PORCUPINE CBM 41-8-4271 MERIT ENERGY COMPANY**JERRY DILTS PORCUPINE CBM 43-8-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL 21-8-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL 23-8-4271 MERIT ENERGY COMPANY PORCUPINE FED 34-8-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL #12-9-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL #14-9-4271 MERIT ENERGY COMPANY PORCUPINE FEDERAL #21-9-4271

25 20 12 20 12 20 12 20

689 629 673 652.5 719 640.8 708 683

25 16 16 16 16 12

718 749 670 598 77 649

16 25 16 16

588 624 594 651

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P145130W P145131W P145132W P145133W P145134W P163388W P163389W P163390W P163391W P163392W P163393W P163394W P163395W P98861W P149566W P150786W P150789W P150795W P150800W P150806W P150810W P32145W P145102W P145107W P145108W P145109W P145110W P145111W P145112W P145113W P160430W P160431W P161327W P161328W P161329W P161330W P164546W P164547W

Priority
5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 4/21/1995 1/13/2003 4/4/2003 4/4/2003 4/4/2003 4/4/2003 4/4/2003 4/4/2003 2/10/1976 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 7/2/2004 7/2/2004 8/3/2004 8/3/2004 8/3/2004 8/3/2004 12/20/2004 12/20/2004

TNS
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
9 9 9 9 9 9 9 9 9 9 9 9 9 10 10 10 10 10 10 10 10 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11

QQ
NESW SWNE SWSE NENE NESE SWNW SWSW NENW NESW SWNE SWSE NENE NESE NWNE SWSW SWNW NENW SWNE SWSE NENE NESE SWNE SWSW NESE SWSE NESW SWNE NENW SWNW NENE SWNE NENE SWSW NESW SWSE NESE SWNW NENW

Applicant
MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY JERRY DILTS WY STATE BOARD OF LAND COMMISSIONERS** MERIT ENERGY COMPANY MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS USDA FOREST SERVICE MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY BILL BARRETT CORPORATION

Facility Name
PORCUPINE FEDERAL #23-9-4271 PORCUPINE FEDERAL #32-9-4271 PORCUPINE FEDERAL #34-9-4271 PORCUPINE FEDERAL #41-9-4271 PORCUPINE FEDERAL #43-9-4271 PORCUPINE FED 12-09-4271 PORCUPINE FED 14-09-4271 PORCUPINE FED 21-09-4271 PORCUPINE FED 23-09-4271 PORCUPINE FED 32-09-4271 PORCUPINE FED 34-09-4271 PORCUPINE FED 41-09-4271 PORCUPINE FED 43-09-4271 BBRC BIRDSALL #1 PORCUPINE CBM 14-10-4271 PORCUPINE CBM 12-10-4271 PORCUPINE CBM 21-10-4271 PORCUPINE CBM 32-10-4271 PORCUPINE CBM 34-10-4271 PORCUPINE CBM 41-10-4271 PORCUPINE CBM 43-10-4271 STUART #T.B. 174 PORCUPINE FEDERAL #14-11-4271 PORCUPINE FEDERAL #43-11-4271 PORCUPINE FEDERAL #34-11-4271 PORCUPINE PORCUPINE PORCUPINE PORCUPINE PORCUPINE FEDERAL FEDERAL FEDERAL FEDERAL FEDERAL #23-11-4271 #32-11-4271 #21-11-4271 #12-11-4271 #41-11-4271

Status
GSI GSI GSI GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GSI GST GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GST GST GSI GST GST GST GST GST

Uses
CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO CBM CBM CBM CBM CBM CBM CBM STO CBM CBM CBM CBM CBM CBM CBM CBM CBM, MIS CBM, MIS CBM CBM CBM CBM CBM CBM

Yld

20 20 20 20 20 20 20 20 20 16 16 16 16 16 16 10

646 608 588 628 563 571 600 539 380 561 528 553 511 581 520 380

PORK NW FEDERAL 32-11-4271

7 7

610 610

BILL BARRETT CORPORATION PORK NW FEDERAL 41-11-4271 MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS PORCUPINE FED 14-11-4271 MERIT ENERGY COMPANY PORCUPINE FED 23-11-4271 MERIT ENERGY COMPANY** WY STATE BOARD OF LAND PORCUPINE FED 34-11-4271 COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS PORCUPINE FED 43-11-4271 MERIT ENERGY COMPANY PORCUPINE FED 12-11-4271 MERIT ENERGY COMPANY PORCUPINE FED 21-11-4271

25 25 25 12 12

597 593 625 579 572

Draft EIS, Wright Area Coal Lease Applications

S2-15

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P8987P P145105W P145106W P160432W P160433W P160434W P160435W P12755P P160436W P160437W P160438W P162374W P162375W P162377W P171779W P167582W P149562W P149563W P149564W P149565W P150790W P150796W P150807W P160439W P160440W P160441W

Priority
7/13/1961 5/20/2002 5/20/2002 7/2/2004 7/2/2004 7/2/2004 7/2/2004 12/30/1950 7/2/2004 7/2/2004 7/2/2004 9/10/2004 9/10/2004 9/10/2004 10/3/2005 5/19/2005 1/13/2003 1/13/2003 1/13/2003 1/13/2003 4/4/2003 4/4/2003 4/4/2003 7/2/2004 7/2/2004 7/2/2004

TNS
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
12 12 12 12 12 12 12 13 13 13 13 13 13 13 13 14 14 14 14 14 14 14 14 14 14 14

QQ
SESE SWSW SWNW SWNW NENW SWNE NENE SWSW NESW SWSE NESE SWSW SWNE NENW NENE NWNE NENE SWNE NENW SWNW NENW SWNE NENE SWSW NESW SWSE

Applicant

Facility Name

Status
GST GSI GSI GST GST GST GST GST GST GST GST GST GST GSI GSI GSI GSI GSI GSI GST GST GST GST GST GST GST

Uses
STO CBM CBM CBM, MIS CBM, MIS CBM, MIS CBM, MIS STO CBM, MIS CBM, MIS CBM, MIS STO, CBM STO, CBM STO, CBM CBM, MIS MON CBM CBM CBM CBM CBM CBM CBM CBM, MIS CBM, MIS CBM, MIS

Yld
4

TD
172

USDA FOREST SERVICE STUART #T B 115 MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS PORCUPINE FEDERAL #14-15-4271 MERIT ENERGY COMPANY** WY STATE BOARD OF LAND PORCUPINE FEDERAL #12-15-4271 COMMISSIONERS BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION USDA FOREST SERVICE BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION YATES PETROLEUM CORP WEST ROUNDUP RESOURCES INC.** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS BILL BARRETT CORPORATION BILL BARRETT CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS BILL BARRETT CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS PORK NW FEDERAL 12-12-4271 PORK NW FEDERAL 21-12-4271 PORK NW FEDERAL 32-12-4271 PORK NW FEDERAL 41-12-4271 STUART #TB 36 PORK NW FEDERAL 23-13-4271 PORK NW FEDERAL 34-13-4271 PORK NW FEDERAL 43-13-4271 PORK NW FEDERAL 14-13-4271 PORK NW FEDERAL 32-13-4271 PORK NW FEDERAL 21-13-4271 THUNDER BASIN CS FEDERAL #17 SC-2-0 PORCUPINE CBM 41-14-4271 PORCUPINE CBM 32-14-4271 PORCUPINE CBM 21-14-4271 PORCUPINE CBM 12-14-4271 PORCUPINE CBM 21-14-4271 PORCUPINE CBM 32-14-4271 PORCUPINE CBM 41-14-4271 PORK NW FEDERAL 14-14-4271 PORK NW FEDERAL 23-14-4271 PORK NW FEDERAL 34-14-4271

8 6 2 11 4 12 18 10 10 2 0

538 532 531 489 121 544 530 527 510 550 569

16 16 16 16 1 0 8

525 532 545 571 503 517 500

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P160442W P145103W P145104W P149558W P149559W P149560W P149561W P161331W P163396W P163397W P163398W P135205W P135206W P135207W P135208W P135209W P135210W P135211W P135212W P145135W P145136W P163399W P163400W P144976W P148737W P144969W P144970W P148107W P152658W

Priority
7/2/2004 5/20/2002 5/20/2002 1/13/2003 1/13/2003 1/13/2003 1/13/2003 8/3/2004 10/19/2004 10/19/2004 10/19/2004 5/21/2001 5/21/2001 5/21/2001 5/21/2001 5/21/2001 5/21/2001 5/21/2001 5/21/2001 5/20/2002 5/20/2002 10/19/2004 10/19/2004 5/14/2002 12/24/2002 5/14/2002 5/14/2002 10/28/2002 6/23/2003

TNS
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
14 15 15 15 15 15 15 15 15 15 15 16 16 16 16 16 16 16 16 17 17 17 17 20 20 21 21 21 21

QQ
NESE NESW NENW NESE NENE SWSE SWNE SWSW SWNW NENW NESW NESE NENE SWSE SWNE NESW NENW SWSW SWNW NENW NENE NENW NENE NENE NENE SWNW NESW SWNW SWNE

Applicant
BILL BARRETT CORPORATION MERIT ENERGY COMPANY** WY COMMISSIONERS MERIT ENERGY COMPANY** WY COMMISSIONERS MERIT ENERGY COMPANY** WY COMMISSIONERS MERIT ENERGY COMPANY** WY COMMISSIONERS MERIT ENERGY COMPANY** WY COMMISSIONERS MERIT ENERGY COMPANY** WY COMMISSIONERS MERIT ENERGY COMPANY** WY COMMISSIONERS MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY** WY COMMISSIONERS MERIT ENERGY COMPANY** WY COMMISSIONERS MERIT ENERGY COMPANY** WY COMMISSIONERS MERIT ENERGY COMPANY** WY COMMISSIONERS MERIT ENERGY COMPANY** WY COMMISSIONERS MERIT ENERGY COMPANY** WY COMMISSIONERS MERIT ENERGY COMPANY** WY COMMISSIONERS MERIT ENERGY COMPANY** WY COMMISSIONERS MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY BILL BARRETT CORPORATION

Facility Name
PORK NW FEDERAL 43-14-4271

Status
GST GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GST GST GST GST GST GST GSI GST

Uses
CBM, MIS CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM CBM

Yld
3

TD
511

STATE BOARD OF LAND PORCUPINE FEDERAL #23-15-4271 STATE BOARD OF LAND PORCUPINE FEDERAL #21-15-4271 STATE BOARD OF LAND PORCUPINE CBM 43-15-4271 STATE BOARD OF LAND PORCUPINE CBM 41-15-4271 STATE BOARD OF LAND PORCUPINE CBM 34-15-4271 STATE BOARD OF LAND PORCUPINE CBM 32-15-4271 STATE BOARD OF LAND PORCUPINE PORCUPINE PORCUPINE PORCUPINE STATE BOARD OF LAND STATE CBM 43-16 STATE BOARD OF LAND STATE CBM 41-16 STATE BOARD OF LAND STATE CBM 34-16 STATE BOARD OF LAND STATE CBM 32-16 STATE BOARD OF LAND STATE CBM 23-16 STATE BOARD OF LAND STATE CBM 21-16 STATE BOARD OF LAND STATE CBM 14-16 STATE BOARD OF LAND STATE CBM 12-16 PORCUPINE FEDERAL #21-17-4271 PORCUPINE FEDERAL #41-17-4271 PORCUPINE FED 21-17-4271 PORCUPINE FED 41-17-4271 PORCUPINE TUIT 20-11 UW ENL. CAMPBELL 4271-20-11UW CAMPBELL FED 4271-21-23 UW CAMPBELL FED 4271-21-31 UW ENL CAMPBELL FED 4271-21-23UW J DILTS 32-21-4271 20 556 20 520 20 583 20 554 20 554 15 583 20 554 20 530 FED FED FED FED 14-15-4271 12-15-4271 21-15-4271 23-15-4271 25 25 20 25 543 540 548 563 16 525 16 523 16 542 16 530

25 25 25 10 25 25

608 550 543 543 532 525

510

Draft EIS, Wright Area Coal Lease Applications

S2-17

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P152659W P153126W P153131W P153132W P153133W P153134W P153135W P167581W P160444W P160445W P160446W P160447W P160448W P160449W P61754W P157828W P157829W P162376W P96436W P132959W P132546W P2976P P120269W P120270W P120271W P120272W P120274W P120276W P135816W P135818W 40/1/203W 40/10/202W 40/2/203W

Priority
6/23/2003 7/28/2003 7/28/2003 7/28/2003 7/28/2003 7/28/2003 7/28/2003 5/19/2005 7/2/2004 7/2/2004 7/2/2004 7/2/2004 7/2/2004 7/2/2004 8/11/1982 4/9/2004 4/9/2004 9/10/2004 8/2/1994 3/7/2001 2/8/2001 6/11/1961 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 6/15/2001 6/15/2001 6/6/2007 6/6/2007 6/6/2007

TNS
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 70 70 70 70 70 70 70 70 70 70 70 70 70

SEC
21 21 22 22 22 22 22 23 23 23 23 23 23 23 24 24 24 24 24 24 5 6 6 6 6 6 6 6 6 6 6 6 6

QQ
NENE SWSE NESW SWNE SWSE NENE NESE NWNE SWSW NENW NESW SWNE NENE NESE NWSE SWNW NENW SWSE NWNW NWNW SWSW NWSE NWNW NWSW SENW SESW NWSE SESE SESE SENW NWSW NWSW NWSW

Applicant
BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION WEST ROUNDUP RESOURCES INC.** WY STATE BOARD OF LAND COMMISSIONERS BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS BILL BARRETT CORPORATION BILL BARRETT CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS USDA FOREST SERVICE BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION POWDER RIVER COAL COMPANY POWDER RIVER COAL CO. RIM OPERATING, INC MILLS LAND & LIVESTOCK CO., INC. RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, THUNDER BASIN THUNDER BASIN THUNDER BASIN INC COAL COMPANY COAL COMPANY COAL COMPANY

Facility Name
J DILTS 41-21-4271 PORK NW FED 34-21-42-71 FEDERAL 23-22-4271 PORK NW FED 32-22-42-71 PORK NW FED 34-22-42-71 PORK NW FED 41-22-42-71 PORK NW FED 43-22-42-71 SC-1-0 PORK NW FEDERAL 14-23-4271 PORK NW FEDERAL 21-23-4271 PORK NW FEDERAL 23-23-4271 PORK NW FEDERAL 32-23-4271 PORK NW FEDERAL 41-23-4271 PORK NW FEDERAL 43-23-4271 PCC WILKINSON RANCH #1 PRCC 12-24-4271 PRCC 21-24-4271 PORK NW FED 34-24-4271 PRCC-9A PRCC-20B CBM H # 14-05 MILLS #25 CBM H #11-06 CBM H #13-06 CBM H #22-06 CBM H #24-06 CBM H #33-06 CBM H #44-06 ENL CBM H # 44-06 ENL CBM H # 22-06 DW0742 DW0741 DW0743

Status
GST GST GSI GST GST GST GST GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST UNA UNA UNA

Uses
CBM CBM CBM CBM CBM CBM CBM MON STO, CBM CBM, MIS STO, CBM CBM, MIS STO, CBM STO, CBM STO CBM CBM STO, CBM MON MON STO, CBM STO STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM MIS MIS MIS

Yld
15 22 11 10 10 13

TD
501 502 507 462 503 467

1 2 1 12 4 6 5 13 13 11 0 0 0 5 25 0 25 1 1 25 10 10

460 469 449 498 491 460 110 503 527 520 517 319.6 305 260 301 259 289 265 273 291 291 29

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
40/3/203W 40/4/203W 40/5/203W 40/6/203W P167211W P167214W P176133W P176134W P99926W P19254P P31780W P81595W P120277W P120278W P120279W P126215W P128063W P135815W 40/9/185W P100818W P115668W P167212W P170550W P170551W P176127W P176127W P176129W P176130W P176131W P176132W P176136W P176140W P176141W P176145W P38081W P38085W P99927W P99928W P114898W P115669W

Priority
6/6/2007 6/6/2007 6/6/2007 6/6/2007 4/20/2005 4/20/2005 6/20/2006 6/20/2006 8/1/1995 9/30/1954 1/7/1976 1/8/1990 11/1/1999 11/1/1999 11/1/1999 6/9/2000 8/4/2000 6/15/2001 6/1/2007 10/30/1995 4/28/1999 4/20/2005 8/31/2005 8/31/2005 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/2/1977 6/2/1977 8/1/1995 8/1/1995 3/29/1999 4/28/1999

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70

SEC
6 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 8 8

QQ
NWSW NWSW NWSW NWSW NWSW NESW NWSE NESW NWSE NWSE SWNW SWSW NWNW SENW SENE NWNE SESW SENE NWNW SWNE SESE NWSW NWSW SWNW NWSW NWSW NWSW NWSW SWNW SWNW SWNW SWSW NWSW SWSW NWNW NWNW SWNE NESE SENW SWSW

Applicant
THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL COMPANY, LLC KENNETH & SYLVIA REVLAND RENO LIVESTOCK CORPORATION JACOBS LAND AND LIVESTOCK RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL COMPANY, LLC THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER BASIN BASIN BASIN BASIN BASIN BASIN BASIN BASIN BASIN BASIN BASIN BASIN BASIN BASIN BASIN BASIN BASIN BASIN BASIN COAL COAL COAL COAL COAL COAL COAL COAL COAL COAL COAL COAL COAL COAL COAL COAL COAL COAL COAL COMPANY, CO. CO. CO. CO. CO. CO. CO. CO. CO. CO. CO. CO. CO. CO., LLC CO., LLC COMPANY, COMPANY, COMPANY, LLC

Facility Name
DW0744 DW0745 DW0746 DW0747 BT-2114, BT-2019-2020 & BT2115 BT-2024 BT2073 BT2110 JRM T6-8W REVLAND #2 RENO #1 #1 SOUTH CONSOL CBM H #11-07 CBM H #22-07 CBM H #42-07 CBM H #31-07 CBM H 24-07 ENL CBM H # 42-07 DW0756 JRM T7-5UC TC-DW-1 BT-2246 BT-2300 BT-2299,BT2246 DW0619 DW0619 DW0617 DW0616 DW0615 DW0614 DW0613 BT2344 BT2348 BT2346 BTW 16 BTR 27 JRM T7-5C JRM T7-6W BT-PIT-15 TC-DW-2

Status
UNA UNA UNA UNA GST GST GSI GSI GST GST GST GST GST GST GST GST GST GSI UNA GST UNA GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST GST GST UNA

Uses
MIS MIS MIS MIS MIS MIS MIS MIS MON STO STO STO STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM MIS MON MIS, RES MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MON MON MON MON MIS MIS, RES

Yld

10 7

260 270

0 7 25 10 25 21 25 21 25 10 0 10

160 36 110 100 289 276 267 270 282 267 185 202

LLC LLC LLC

0 0 0 0 300 10

100 296 261 145 30 195

THUNDER BASIN COAL COMPANY, LLC

Draft EIS, Wright Area Coal Lease Applications

S2-19

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P115670W P115671W P115672W P115673W P115674W P115675W P115676W P115677W P115678W P115679W P115680W P115681W P115682W P115702W P115703W P115704W P115705W

Priority
4/28/1999 4/28/1999 4/28/1999 4/28/1999 4/28/1999 4/28/1999 4/28/1999 4/28/1999 4/28/1999 4/28/1999 4/28/1999 4/28/1999 4/28/1999 4/28/1999 4/28/1999 4/28/1999 4/28/1999

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70

SEC
8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8

QQ
SWSW SESW SESW SWSE SWSE SESE SWSE SESW SESE SESW SWSE SWSE SESE SWSW SWSW SWSW SWSW

Applicant
THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL COMPANY, LLC THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER THUNDER BASIN BASIN BASIN BASIN BASIN BASIN BASIN BASIN BASIN BASIN BASIN BASIN COAL COAL COAL COAL COAL COAL COAL COAL COAL COAL COAL COAL COMPANY, COMPANY, COMPANY, COMPANY, COMPANY, COMPANY, COMPANY, COMPANY, COMPANY, COMPANY, COMPANY, COMPANY, LLC LLC LLC LLC LLC LLC LLC LLC LLC LLC LLC LLC TC-DW-3 TC-DW-4 TC-DW-5 TC-DW-6 TC-DW-7 TC-DW-8 TC-DW-9 TC-DW-10 TC-DW-11 TC-DW-12 TC-DW-13 TC-DW-14 TC-DW-15 TC-DW-35 TC-DW-36 TC-DW-37 TC-DW-38

Facility Name

Status
UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA GST GSE GSE GSE GSE

Uses
MIS MIS, RES MIS, RES MIS, RES MIS, RES MIS, RES MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS DEW, RES, MIS MON MON MON MON MON RES, STO, MIS IND IND RES, MIS MIS MIS MIS MIS MIS MIS MIS MIS MON MIS

Yld
10 10 10 10 10 2 12 10 10 10 10 10 10

TD
180 160 155 170 170 168 202 180 170 170 171 170 170

P58787W P99920W P99929W P34483W P34487W P34491W

10/20/1981 8/1/1995 8/1/1995 8/12/1976 8/12/1976 8/12/1976

43 43 43 43 43 43

70 70 70 70 70 70

8 8 8 17 17 17

SWNE SESW SWNE NWNE NWNE NWNE

THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY, LLC WATER RESOURCES RESEARCH INSTITUTE WATER RESOURCES RESEARCH INSTITUTE WATER RESOURCES RESEARCH INSTITUTE WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL CO., LLC ATLANTIC RICHFIELD COMPANY** THUNDER BASIN COAL COMPANY, L.L.C. ATLANTIC RICHFIELD COMPANY** THUNDER BASIN COAL COMPANY, L.L.C. ATLANTIC RICHFIELD COMPANY** THUNDER BASIN COAL COMPANY, L.L.C. THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL COMPANY

BT PIT 3 JRM T8-9W JRM T8-8C LTB-15A LTB-15B LTB-15C

GST GST GST GST GST GST

400 0 0 0 0 0

95 82 194 39 39 63

P45313W P20480W P20481W P43346W P114890W P115695W P115696W P115697W P115698W P115699W P115700W P115701W P115959W P146195W

12/9/1977 4/9/1973 4/9/1973 5/5/1978 3/22/1999 4/28/1999 4/28/1999 4/28/1999 4/28/1999 4/28/1999 4/28/1999 4/28/1999 5/14/1999 7/22/2002

43 43 43 43 43 43 43 43 43 43 43 43 43 43

70 70 70 70 70 70 70 70 70 70 70 70 70 70

17 17 17 17 17 17 17 17 17 17 17 17 17 17

SWNW NENW NENW NESW SWSW NENE NENE NENE NWNE NWNE NENW NENW NENE SESE

BTR 33 BTR-WW #1 BTW-WW #1 BT FU 17 2 BT-PIT-14 TC-DW-28 TC-DW-29 TC-DW-30 TC-DW-31 TC-DW-32 TC-DW-33 TC-DW-34 BMW-1-17 17-1-LFH

UNA UNA UNA UNA GST GSE GSE GSE GSE GSE GSE GSE GST GST

43 UNK UNK 315 300

291 196 110 2428 30

0 375

150 4850

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P64562W P167213W P167215W P167216W P170552W P170553W P176138W P176139W P176144W P4393W P153789W P153790W P167217W P170554W P176116W P176117W P176118W P176119W P38086W P69200W P107763W P20487W P20492W P20493W P109036W P109037W P109038W P109039W P112373W P112374W P112375W P112376W P112377W P112378W

Priority
6/24/1983 4/20/2005 4/20/2005 4/20/2005 8/31/2005 8/31/2005 6/20/2006 6/20/2006 6/20/2006 1/20/1970 8/22/2003 8/22/2003 4/20/2005 8/31/2005 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/2/1977 2/2/1984 9/26/1997 4/9/1973 4/9/1973 4/9/1973 2/20/1998 2/20/1998 2/20/1998 2/20/1998 10/13/1998 10/13/1998 10/13/1998 10/13/1998 10/13/1998 10/13/1998

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70

SEC
17 18 18 18 18 18 18 18 18 19 19 19 19 19 19 19 19 19 19 19 20 20 20 20 20 20 20 20 20 20 20 20 20 20

QQ
NWNE NENW NWSW SWSW SWNW SWSW NWSW NESW SWSW NESE SWNW NENW SENW NWNW SENW SENW SENW SENW NWNW SESE NWSE NWNW SWSW SWSW SWSE NWSE SWNE NWNE SWSE SWSE SWSE SWSE SWSE SWSE

Applicant
THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. USDA FOREST SERVICE LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL COMPANY THUNDER BASIN COAL CO, LLC ATLANTIC RICHFIELD COMPANY** THUNDER BASIN COAL COMPANY, L.L.C. ATLANTIC RICHFIELD COMPANY** THUNDER BASIN COAL COMPANY, L.L.C. ATLANTIC RICHFIELD COMPANY** THUNDER BASIN COAL COMPANY, L.L.C. THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC

Facility Name
BTBW - 3 BT-2097 & BT-2098 BT-2252 BT-2240 BT-2252,BT2277 BT-2276 BT2336 BT2337 BT2335 RENO LIVESTOCK #T B 146 ARCH FEDERAL 12-19-4370 ARCH FEDERAL 21-19-4370 BT-2091 BT-2274 DW0610 DW0609 DW0608 DW0611 BTR 28 BT FU 29 1 BT-PIT-10 BTW-WW #3 BTR-WW #7 BTW-WW #5 BT-DW-47 BT-DW-48 BT-DW-49 BT-DW-50 BT-DW-51 BT-DW-52 BT-DW-53 BT-DW-54 BT-DW-55 BT-DW-56

Status
GST GST GSI GSI GSI GSI GSI GSI GSI GST GSE GSE GSI GSI GSI GSI GSI GSI GST GST GST UNA UNA UNA GSE GSE GSE GSE GSE GSE GSE GSE GSE GSE

Uses
MON MIS MIS MIS MIS MIS MIS MIS MIS STO CBM CBM MIS MIS MIS MIS MIS MIS MON RES, MIS MIS, DEW IND IND IND MIS, DEW MIS, DEW MIS, DEW MIS, DEW MIS, DEW MIS, DEW MIS, DEW MIS, DEW MIS, DEW MIS, DEW

Yld
0 25

TD
128 324

390

0 250 300 UNK UNK UNK

404 2200 30 165 260 106

Draft EIS, Wright Area Coal Lease Applications

S2-21

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P114898W P162456W P75057W P99803W P96798W P96799W P34480W P34484W P34488W P107762W P112379W P112380W P112381W P112382W P112383W P112384W P112385W P112386W P112387W P112388W P114889W P114889W P114890W

Priority
3/29/1999 7/22/2004 6/29/1987 7/18/1995 8/17/1994 8/17/1994 8/12/1976 8/12/1976 8/12/1976 9/26/1997 10/13/1998 10/13/1998 10/13/1998 10/13/1998 10/13/1998 10/13/1998 10/13/1998 10/13/1998 10/13/1998 10/13/1998 3/22/1999 3/22/1999 3/22/1999

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70

SEC
20 20 20 20 28 28 29 29 29 29 29 29 29 29 29 29 29 29 29 29 29 29 29

QQ
SENW NWSE NENE SESW SWSW SESW SENW SENW SENW NENE NWNE NWNE NWNE SWSE SWSE SWSE SWSE SWSE SWSE SWSE SENW NWNW NESW

Applicant
THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL COMPANY THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL COMPANY THUNDER BASIN COAL CO., LLC WATER RESOURCES RESEARCH INSTITUTE WATER RESOURCES RESEARCH INSTITUTE WATER RESOURCES RESEARCH INSTITUTE THUNDER BASIN COAL CO, LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER THUNDER THUNDER THUNDER BASIN BASIN BASIN BASIN COAL COAL COAL COAL CO., LLC COMPANY, LLC COMPANY, LLC COMPANY, LLC

Facility Name
BT-PIT-15 BT-FU-20-1 BTB 4 BTA-52 BTB - 20 BTB - 21 LTB-3A LTB-3B LTB-3C BT-PIT-9 BT-DW-58 BT-DW-59 BT-DW-57 BT-DW-60 BT-DW-61 BT-DW-62 BT-DW-63 BT-DW-64 BT-DW-65 BT-DW-66 BT-PIT-13 BT-PIT-13 BT-PIT-14

Status
GST GSI GST GST GST GST GST GST GST GST GSE GSE GSE GSE GSE GSE GSE GSE GSE GSE GST GST GST

Uses
MIS MIS MON MON MON MON MON MON MON MIS, DEW MIS, DEW MIS, DEW MIS, DEW MIS, DEW MIS, DEW MIS, DEW MIS, DEW MIS, DEW MIS, DEW MIS, DEW MIS MIS MIS DEW, RES, MIS MON MON MON MIS MIS MIS MIS MIS MON MON

Yld
300 0 0 0 0 0 0 0 300

TD
30 188 25 170 142 16 14 14 225

300 300 300

30 30 30

P57179W P99801W P99802W P99803W P147047W P147048W P167218W P176142W P176143W P85873W P172659W

2/18/1981 7/18/1995 7/18/1995 7/18/1995 9/16/2002 9/16/2002 4/20/2005 6/20/2006 6/20/2006 8/20/1991 1/12/2006

43 43 43 43 43 43 43 43 43 43 43

70 70 70 70 70 70 70 70 70 70 70

29 29 29 29 30 30 30 30 30 30 31

SWNW NENW NENW NWNE SWSE SESE NESW NWSW SWNW NWNW NWSE

THUNDER BASIN COAL CO., LLC BT PIT 2 THUNDER BASIN COAL CO., LLC BTA-50 THUNDER BASIN COAL CO., LLC BTA-51 THUNDER BASIN COAL CO., LLC BTA-52 UNITED STATES OF AMERICA, USDA FOREST SERVICE** THUNDER BASIN COAL COMPANY, LLC BT-DW-15 UNITED STATES OF AMERICA, USDA FOREST SERVICE** THUNDER BASIN COAL COMPANY, LLC BT-DW-16 THUNDER BASIN COAL CO. BT-2084 THUNDER BASIN COAL CO. BT2318 THUNDER BASIN COAL CO. BT2319 THUNDER BASIN COAL CO., LLC BTW-19 TRITON COAL COMPANY, LLC- NORTH ROCHELLE 31-10-05

GST GST GST GST GST GST GSI GSI GSI GST GSI

400 0 0 0 15 15

120 25 25 25 300 300

0 0

270 260

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P167221W P176137W P5861P P7408W P116625W P116626W P114887W P114887W P167219W P167220W P167222W P167223W P44614W P85871W

Priority
4/20/2005 6/20/2006 8/31/1966 12/15/1970 7/8/1999 7/8/1999 3/22/1999 3/22/1999 4/20/2005 4/20/2005 4/20/2005 4/20/2005 8/22/1978 8/20/1991

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
70 70 70 70 70 70 70 70 70 70 70 70 70 70

SEC
31 31 32 32 32 32 32 32 32 32 32 32 32 32

QQ
SESE NENW NWSE SWNE SWSE SWSW NWSE NWNW NESW NWSW SWSW SESE NWNW NWNE

Applicant
THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. RENO LIVESTOCK CORPORATION TENO LIVESTOCK CORPORATION TRITON COAL COMPANY TRITON COAL COMPANY THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC

Facility Name
BT-2152 BT2355 HEARTSPEAR 7 HEARTSPEAR 17 32-15-01 32-13-01 BT-PIT-12 BT-PIT-12 BT-2164 BT-2138 & BT-2165 BT-2158 BT-2147 BTR-31 BTW-18

Status
GSI GSI GST GST GST GST GST GST GSI GSI GSI GSI GST GST

Uses
MIS MIS STO STO MON MON MIS MIS MIS MIS MIS MIS MON MON STO, MIS, DEW MIS MIS STO, MIS, DEW MON MON MON DOM, STO STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM MIS MIS MIS MIS

Yld

2 25 0 0 300 300

233 130 105 197 30 30

0 0

248 133

P87564W P167224W P167225W

4/2/1992 4/20/2005 4/20/2005

43 43 43

70 70 70

32 33 33

SWNW NWSW SWSW

THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO. THUNDER BASIN COAL CO.

ENL BT-PIT-1 WELL BT-2142 BT-2179 & BT-2214

GST GSI GSI

P87564W P96801W P96803W P132544W P9681W P120245W P120246W P120248W P121847W P121848W P123659W P125923W P128064W P135820W 40/4/202W 40/5/202W 40/7/202W 40/8/202W

4/2/1992 8/17/1994 8/17/1994 2/8/2001 7/13/1971 11/1/1999 11/1/1999 11/1/1999 12/27/1999 12/27/1999 2/28/2000 5/25/2000 8/4/2000 6/15/2001 6/6/2007 6/6/2007 6/6/2007 6/6/2007

43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

70 70 70 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

33 33 33 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

SENW NENW SENW SWNE NENE NWSW SESW SESE SENE SENW NWNE NWNW NWSE SESW NWSW NWSW NWSW NWSW

THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC RIM OPERATING, INC BELLE FOURCHE PIPELINE CO.**GLADYS KINGTON NORWOOD RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC USDA, NATIONAL FOREST SERVICE** RIM OPERATING, INC RIM OPERATING, THUNDER BASIN THUNDER BASIN THUNDER BASIN THUNDER BASIN INC COAL COAL COAL COAL

ENL BT-PIT-1 WELL BTB - 23 BTB - 25 CBM D # 32-01 SOUTH HILIGHT #1 CBM D #13-01 CBM D #24-01 CBM D #44-01 CBM D #42-01 CBM D #22-01 CBM C #31-01 CBM D #11-01 CBM D 33-01R ENL CBM D # 24-01 DW0735 DW0736 DW0738 DW0739

GST GST GST GST GST GST GST GST GST GST GST GST GST GST UNA UNA UNA UNA

0 0 0 0 30 25 25 25 25 25 25 25 25 10

55 214 194 365 346 376 359 310 310 345 377 395 326 359

COMPANY COMPANY COMPANY COMPANY

Draft EIS, Wright Area Coal Lease Applications

S2-23

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P176135W P99923W P19251P P162567W P162568W P162569W 40/6/202W 40/9/202W P152950W P3050W P128467W 40/10/267W 40/6/267W 40/7/267W 40/8/267W 40/9/267W P3343W P118160W P118161W P118162W P118163W P118168W P12761P P128481W P165345W P107568W P110773W P115199W P45855W P166310W P166746W P166747W P12762P P121916W P121917W P5866W P120249W P120250W P120251W P120252W

Priority
6/20/2006 8/1/1995 9/30/1954 9/20/2004 9/20/2004 9/20/2004 6/6/2007 6/6/2007 8/4/2003 9/15/1969 8/17/2000 7/18/2007 7/18/2007 7/18/2007 7/18/2007 7/18/2007 10/6/1969 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 12/30/1951 8/15/2000 1/31/2005 7/28/1997 6/22/1998 4/16/1999 10/11/1978 3/18/2005 4/1/2005 4/1/2005 12/30/1950 12/30/1999 12/30/1999 6/22/1970 11/1/1999 11/1/1999 11/1/1999 11/1/1999

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
1 1 2 2 2 2 2 2 2 3 3 3 3 3 3 3 4 4 4 4 4 5 8 8 8 9 9 9 10 10 10 10 11 11 11 12 12 12 12 12

QQ
NWSW NWSE NWSE NENE SWNE NESE NESE NESE NESE SWSE SWNW SESE NENE SENE SENE NESE SWNE NWSW SESW NWSE SESE SESE SWSW NENE NESE NENE NESE NENE SWNE SWSE SWNE NESE SENW SWSE NESE SWNE NWNW NWSW SENW SESW

Applicant
THUNDER BASIN COAL CO. THUNDER BASIN COAL COMPANY, LLC ARK LAND COMPANY RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY INC. STUART BROTHERS LANCE OIL & GAS COMPANY, INC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC STUART BROTHERS INC. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC USDA FOREST SERVICE LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BARRETT RESOURCES CORP USDA FOREST SERVICE LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC USDA FOREST SERVICE LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC DALE MILLS**RENO LIVESTOCK CORPORATION RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC

Facility Name
BT2296 JRM T1-8W REVLAND #1 REVLAND TRUST FEDERAL #41-2 4371 REVLAND TRUST FEDERAL #32-2 4371 REVLAND TRUST FEDERAL #43-2 4371 DW0737 DW0740 NPLTC-03-2 STUART #10 STUART FEDERAL 12-3-4371 WW07 WW03 WW04 WW05 WW06 STUART #8 STUART 13-4 STUART 24-4 STUART 33-4 STUART 44-4 STUART 44-5 RENO #TB 41 FEDERAL 41-8-4371 FEDERAL 43-8-4371 STUART 1-41-9 STUART FEDERAL 42-9 ENL STUART FED. 1-41-9 MARG #13 STUART FED 34-10-4371 STUART FED 32-10-4371 STUART FED 43-10-4371 STUART #TB 37 ZIMMER 34-11 ZIMMER 43-11 HEARTSPEAR 12 CBM D #11-12 CBM D #13-12 CBM D #22-12 CBM D #24-12

Status
GSI GST GST GST GSI GST UNA UNA GST GST GST UNA UNA UNA UNA UNA GST GST GST GST GST GST GST GST GSI GST GST GST GST GSI GSI GSI GST GST GST ADJ GSE GSE GST GSE

Uses
MIS MON STO CBM CBM CBM MIS MIS MON STO CBM MIS MIS MIS MIS MIS STO CBM CBM CBM CBM CBM STO CBM CBM CBM, MIS CBM CBM STO CBM CBM CBM STO CBM CBM STO STO, CBM STO, CBM STO, CBM STO, CBM

Yld
0 10 4

TD
141 147 400

383

0 5 5

10.5 145 496

5 50 45 45 45 45 4 10

273 617 571 590 559 648 152 701

35 41 50 3

540 542 540 383

4 10 10 25

146 442 410 212

375

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P120253W P120254W P120255W P120256W P135819W P143826W P144375W 39/1/547W 39/10/546W 39/2/547W 39/3/547W 39/4/547W 39/5/546W 39/5/547W 39/5/578W 39/6/546W 39/7/546W 39/8/546W 39/9/546W 40/1/185W 40/1/267W 40/2/185W 40/2/267W 40/3/185W 40/3/267W 40/4/185W 40/5/185W 40/6/185W 40/7/185W 40/8/185W P176120W P176121W P176122W P176123W P176124W P176125W P176126W P176128W P132545W P5862P P112580W

Priority
11/1/1999 11/1/1999 11/1/1999 11/1/1999 6/15/2001 4/2/2002 5/2/2002 2/20/2007 2/20/2007 2/20/2007 2/20/2007 2/20/2007 2/20/2007 2/20/2007 3/5/2007 2/20/2007 2/20/2007 2/20/2007 2/20/2007 6/1/2007 7/18/2007 6/1/2007 7/18/2007 6/1/2007 7/18/2007 6/1/2007 6/1/2007 6/1/2007 6/1/2007 6/1/2007 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 2/8/2001 8/31/1968 10/30/1998

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 13 13 13

QQ
NWNE NWSE SENE SESE NWNE SENE NWSE NESE NESE NESE SENE SENE SESE SENE SENE SESE SESE NESE NESE NENE NENE NENE NENE NENE NENE NENE NENE NENE NENE NENE SESE SESE NESE NESE NESE NESE NESE NESE NENE NESW NWNW RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC

Applicant

Facility Name
CBM D #31-12 CBM D #33-12 CBM D #42-12 CBM D #44-12 ENL CBM D # 31-12 ENL. CBM D #42-12 ENL. CBM D #33-12 DW0713 DW0712 DW0714 DW0715 DW0716 DW0707 DW0717 DW0718 DW0708 DW0709 DW0710 DW0711 DW0748 CS08 DW0749 CS09 DW0750 CS10 DW0751 DW0752 DW0753 DW0754 DW0755 DW0626 DW0627 DW0624 DW0623 DW0622 DW0621 DW0620 DW0618 CBM D # 41-13 HEARTSPEAR 8 YOUNG 11-13

Status
GST GST GST GST GST GST GST UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST

Uses
STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MON STO CBM

Yld
25 25 25 3 10 10 15

TD
365 392 365 375 365 365 392

RIM OPERATING, INC. THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. RIM OPERATING, INC RENO LIVESTOCK CORPORATION LANCE OIL & GAS COMPANY, INC

0 2 29

385 324 410

Draft EIS, Wright Area Coal Lease Applications

S2-25

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P121919W P121920W P121989W P123115W P123116W P19253P P121921W P121922W P141592W P166322W P166323W P139458W P139459W P139460W P139461W P145780W P145788W P145789W P123106W P123107W P123108W P123109W P123110W P128141W P128142W P129244W P33997W P123018W P123019W P123020W P123021W P137865W

Priority
12/30/1999 12/30/1999 12/31/1999 2/7/2000 2/7/2000 12/31/1950 12/30/1999 12/30/1999 12/17/2001 3/18/2005 3/18/2005 9/24/2001 9/24/2001 9/24/2001 9/24/2001 6/26/2002 6/26/2002 6/26/2002 2/7/2000 2/7/2000 2/7/2000 2/7/2000 2/7/2000 8/8/2000 8/8/2000 9/5/2000 7/6/1976 1/19/2000 1/19/2000 1/19/2000 1/19/2000 7/23/2001

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
13 13 13 13 13 14 14 14 14 14 14 15 15 15 15 15 15 15 16 16 16 16 16 16 16 16 16 17 17 17 17 17

QQ
SENW SESW NWSW SESE NWSE SENW SENE SESE SWSW SWSE SWNE SWNW NENW SWSW NESW NESE SWSE NENE SWSE NESW NENW SWSW SWNW NENE SWNE NESE SESE NENW NESW SWSE NESE SWNW

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC ARK LAND COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC COLEMAN OIL & GAS, INC.** THUNDER BASIN COAL COMPANY LLC COLEMAN OIL & GAS, INC.** THUNDER BASIN COAL COMPANY LLC COLEMAN OIL & GAS, INC.** THUNDER BASIN COAL COMPANY LLC COLEMAN OIL & GAS, INC.** THUNDER BASIN COAL COMPANY LLC THUNDER BASIN COAL COMPANY** COLEMAN OIL & GAS, INC. THUNDER BASIN COAL COMPANY** COLEMAN OIL & GAS, INC. THUNDER BASIN COAL COMPANY** COLEMAN OIL & GAS, INC. WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** COLEMAN OIL & GAS, INC. WY STATE BOARD OF LAND COMMISSIONERS** COLEMAN OIL & GAS, INC. WY STATE BOARD OF LAND COMMISSIONERS** COLEMAN OIL & GAS, INC. WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC

Facility Name
ARCH 22-13 ARCH 24-13 ARCH 13-13 HOPKINS TRUST 44-13-4371 ARCH 33-13-4371 REVLAND #3 ARCH 42-14 ARCH 44-14 REVLAND TRUST 14-14-4371 FEDERAL 34-14-4371 FEDERAL 32-14-4371 THUNDER BASIN #15-12 THUNDER BASIN #15-21 THUNDER BASIN #15-14 THUNDER BASIN #15-23 THUNDER BASIN #15-43 THUNDER BASIN #15-34 THUNDER BASIN #15-41 STATE 34-16-4371 STATE 23-16-4371 STATE 21-16-4371 STATE 14-16-4371 STATE 12-16-4371 EDWARDS STATE 16-1 EDWARDS STATE #16-2 EDWARDS STATE #3-16 WCH 3 ARKLAND 21-17-4371 ARKLAND 23-17-4371 ARKLAND 34-17-4371 ARKLAND 43-17-4371 THUNDER BASIN COAL FEDERAL 12 17-4371

Status
GST GST GST GST GST GST GST GST GSI GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST

Uses
CBM CBM CBM CBM CBM STO CBM CBM CBM CBM CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM CBM CBM CBM CBM CBM CBM CBM STO, CBM MON CBM CBM CBM CBM CBM

Yld
10 10 10 20 18 10 10 10

TD
410 415 432 384 450 80 462 467

17 0 0 17 7 9 3 40 40 40 40 40 17 16 15

562 519 543 543 503 542 521 623 610 602 620 622 542 556 526

20 40 40 40 10

630 650 631 610 643

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P137866W P137867W P137868W P152951W P143847W P143849W P143850W P143851W P143852W P143853W P143854W P154193W P176288W P32088W P32089W P32090W P84348W P143855W P143856W P143857W P167145W P169600W P169867W P8912W P8913W P121923W P121924W P121925W P121926W P152852W P167141W P152949W P44326W P128505W P152855W P167138W P167144W P167146W P169601W P169864W P169868W P121927W P121928W

Priority
7/23/2001 7/23/2001 7/23/2001 8/4/2003 4/9/2002 4/9/2002 4/9/2002 4/9/2002 4/9/2002 4/9/2002 4/9/2002 9/9/2003 7/12/2006 1/16/1976 1/16/1976 1/16/1976 2/5/1991 4/9/2002 4/9/2002 4/9/2002 4/13/2005 8/19/2005 8/15/2005 5/4/1971 5/24/1971 12/30/1999 12/30/1999 12/30/1999 12/30/1999 7/24/2003 4/13/2005 8/4/2003 7/20/1978 8/17/2000 7/24/2003 4/13/2005 4/13/2005 4/13/2005 8/19/2005 8/15/2005 8/15/2005 12/30/1999 12/30/1999

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
17 17 17 17 20 20 20 20 20 20 20 20 21 21 21 21 21 21 21 21 21 21 21 22 22 22 22 22 22 22 22 22 23 23 23 23 23 23 23 23 23 24 24

QQ
SWSW SWNE NENE SESE SWSW SWNW NENW SWNE SWSE NENE NESE NWNW SESW SENE SENE SENE SENE SWNW SWSW NENW NESW SWNE NENE NWNW SWNW SWNE SWSE NENE NESE SWSW SWSW SENE SWSW SWSE NENW SWNW NENW NESW SWNE NESE NENE SENW NWNE

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC THUNDER BASIN COAL COMPANY LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC

Facility Name
THUNDER BASIN COAL FEDERAL 14 17-4371 FEDERAL 32-17-4371 FEDERAL 41-17-4371 LTC-03-1 FEDERAL 14-20-4371 FEDERAL 12-20-4371 FEDERAL 21-20-4371 FEDERAL 32-20-4371 FEDERAL 34-20-4371 FEDERAL 41-20-4371 FEDERAL 43-20-4371

Status
GST GST GST GST GSE GSI GSE GSE GSE GSE GSE GST GSI GST GST GST GST GSE GSE GSE GSI GSI GSI GST GST GST GST GST GST GSE GSI GST GST GST GSE GSI GSI GSI GSI GSI GSI GST GST

Uses
CBM CBM CBM MON CBM CBM CBM CBM CBM CBM CBM STO, CBM STO MON MON MON STO CBM CBM CBM CBM CBM CBM STO STO CBM CBM CBM CBM CBM CBM MON STO CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM

Yld
10 16 10 0

TD
641 590 641 8.5

WILLIAMS PRODUCTION RMT COMPANY ARCH STATE 11-20-4371 THOMAS W. & LEAH B. EDWARDS EDWARDS #8 UNIVERSITY OF WYOMING WRRI LTB 2A UNIVERSITY OF WYOMING WRRI LTB 2B UNIVERSITY OF WYOMING WRRI LTB 2C USDA FOREST SERVICE EDWARDS #T.B. 266 LANCE OIL & GAS COMPANY, INC FEDERAL 12-21 LANCE OIL & GAS COMPANY, INC FEDERAL 14-21 LANCE OIL & GAS COMPANY, INC FEDERAL 21-21 LANCE OIL & GAS COMPANY, INC FEDERAL 23-21-4371 LANCE OIL & GAS COMPANY, INC. FEDERAL 32-21-4371 LANCE OIL & GAS COMPANY, INC. FEDERAL 41-21-4371 USDA FOREST SERVICE RENO #T B 152 USDA FOREST SERVICE RENO #T B 153 LANCE OIL & GAS COMPANY, INC ARCH 32-22 LANCE OIL & GAS COMPANY, INC ARCH 34-22 LANCE OIL & GAS COMPANY, INC ARCH 41-22 LANCE OIL & GAS COMPANY, INC ARCH 43-22 WILLIAMS PRODUCTION RMT COMPANY FEDERAL 14-22-4371R LANCE OIL & GAS COMPANY, INC FEDERAL 14-22-4371R THUNDER BASIN COAL COMPANY LTC-03-2 USDA FOREST SERVICE MARG #1 USDA, NATIONAL FOREST SERVICE** LANCE OIL & GAS BRC FEDERAL 34-23 COMPANY, INC WILLIAMS PRODUCTION RMT COMPANY FEDERAL 21-23-4371 LANCE OIL & GAS COMPANY, INC FEDERAL 12-23-4371 LANCE OIL & GAS COMPANY, INC FEDERAL 21-23-4371 LANCE OIL & GAS COMPANY, INC FEDERAL 23-23-4371 LANCE OIL & GAS COMPANY, INC. FEDERAL 32-23-4371 LANCE OIL & GAS COMPANY, INC. FEDERAL 43-23-4371 LANCE OIL & GAS COMPANY, INC. FEDERAL 41-23-4371 LANCE OIL & GAS COMPANY, INC ARCH 22-24 LANCE OIL & GAS COMPANY, INC ARCH 31-24

10 0 0 0 2

664 100 200 574 574

4 5 45 45 45 45

-1 -1 541 540 531 514

0 3 20

8 375 475

10 10

427 470

Draft EIS, Wright Area Coal Lease Applications

S2-27

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P128509W P147621W P147622W P166461W P167139W P169865W P5860P P112564W P112565W P112566W P134996W P134997W P134998W P134999W P169602W P169869W P112567W P112568W P112569W P112570W P112571W P112572W P113320W P113321W P113322W P113855W P81416W P112579W P113675W P113676W P113677W P113678W P116992W P116993W P116994W P116995W P167140W P167142W P167147W P101905W P124262W P147201W P147206W

Priority
8/17/2000 10/4/2002 10/4/2002 3/31/2005 4/13/2005 8/15/2005 12/31/1930 10/30/1998 10/30/1998 10/30/1998 5/15/2001 5/15/2001 5/15/2001 5/15/2001 8/19/2005 8/15/2005 10/30/1998 10/30/1998 10/30/1998 10/30/1998 10/30/1998 10/30/1998 12/14/1998 12/14/1998 12/14/1998 2/1/1999 12/6/1989 10/30/1998 12/30/1998 12/30/1998 12/30/1998 12/30/1998 6/28/1999 6/28/1999 6/28/1999 6/28/1999 4/13/2005 4/13/2005 4/13/2005 3/26/1996 3/23/2000 9/19/2002 9/19/2002

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
24 24 24 24 24 24 25 25 25 25 25 25 25 25 25 25 26 26 26 26 26 26 26 26 26 26 26 27 27 27 27 27 27 27 27 27 27 27 27 28 28 28 28

QQ
SWSW NENE NESE NESW SWNW SWSE SESE NWNW SWNW SENW SWSW NESW SWSE NESE SWNE NENE SWNE NWSE SWSE SENE NESE SESE SWSW SWNW NESW SENW NENW NENW NESE SENE SWNE SWSE SWNE SWNE SENE NESE SWNW SWSW NESW SWNW SWSW SWNW NENW

Applicant
USDA, NATIONAL FOREST SERVICE** WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. RENO LIVESTOCK CORPORATION LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC THUNDER BASIN COAL CO., LLC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BRIDLE BIT RANCH CO. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC

Facility Name
BRC FEDERAL 14-24 ARCH 41-24-4371 ARCH 43-24-4371 FEDERAL 23-24-4371 FEDERAL 12-24-4371WY FEDERAL 34-24-4371 HEARTSPEAR 6 FEDERAL 11-25 FEDERAL 12-25 FEDERAL 22-25 ARCH 14-25-4371 ARCH 23-25-4371 ARCH 34-25-4371 ARCH 43-25-4371 FEDERAL 32-25-4371 FEDERAL 41-25-4371 FEDERAL 32-26 FEDERAL 33-26 FEDERAL 34-26 FEDERAL 42-26 FEDERAL 43-26 FEDERAL 44-26 ARCH 14-26 ARCH 12-26 ARCH 23-26 ARCH 22-26 BTR 158 FEDERAL 21-27 ARCH 43-27 ARCH 42-27 ARCH 32-27 ARCH 34-27 ENL ARCH 32-27 ENL ARCH 34-27 ENL ARCH 42-27 ENL ARCH 43-27 FEDERAL 12-27-4371 FEDERAL 14-27-4371 FEDERAL 23-27-4371 BBRC BLACK BUTTE #2 SMITH 14-28-4371 DILTS FEDERAL 12-28 DILTS FED 21-28-4371

Status
GST GSE GSE GSI GSI GSI GST GST GST GST GST GST GST GST GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GSI GST GST GST GSI

Uses
CBM CBM CBM CBM CBM CBM STO CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO, CBM MON CBM STO, CBM CBM STO, CBM STO, CBM CBM CBM CBM CBM CBM CBM CBM STO CBM CBM CBM

Yld
20

TD
421

1 24 32 12 10 10 10 10

-1 398 375 370 432 382 384 324

20 20 15 14 30 20 20 25 20 30 0 50 20 20 20 20 50 50 50 50

449 420 428 395 420 427 452 444 451 465 502 550 461 463 459 479 459 479 463 461

5 25 3 5

184 632 638 598

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P147207W P147210W P147211W P147212W P147213W P124258W P124259W P124260W P124261W P139784W P139785W P139786W P139787W P145114W P145137W P145138W P145139W P145140W P145141W P145142W P145143W P147357W P147362W P147363W P147364W P163664W P163665W P163666W P163667W P164548W P164549W P164550W P164551W P124256W P124257W P147358W P147359W P147360W P147361W P147640W P147641W P44328W

Priority
9/19/2002 9/19/2002 9/19/2002 9/19/2002 9/19/2002 3/23/2000 3/23/2000 3/23/2000 3/23/2000 10/2/2001 10/2/2001 10/2/2001 10/2/2001 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 9/26/2002 9/26/2002 9/26/2002 9/26/2002 11/4/2004 11/4/2004 11/4/2004 11/4/2004 12/20/2004 12/20/2004 12/20/2004 12/20/2004 3/23/2000 3/23/2000 9/26/2002 9/26/2002 9/26/2002 9/26/2002 10/4/2002 10/4/2002 7/20/1978

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
28 28 28 28 28 29 29 29 29 29 29 29 29 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 33 33 33 33 33 33 33 33 34

QQ
NESE NESW SWNE SWSE NENE NESE NENE SWSE SWNE SWNW SWSW NENW NESW NESE SWNW SWSW NESW NENW SENE SWSE NENE SWNE NESE NENE SWSE SWNE SWSE NENE NESE SWNW SWSW NENW NESW NENW SWNW NESE NENE SWSE SWNE SWSW NESW NWSE

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC COLEMAN OIL & GAS, INC.**JERRY J/BARBARA & BRIDLE BIT RANCH COLEMAN OIL & GAS, INC.**JERRY J/BARBARA & BRIDLE BIT RANCH COLEMAN OIL & GAS, INC.**JERRY J/BARBARA & BRIDLE BIT RANCH COLEMAN OIL & GAS, INC.**JERRY J/BARBARA & BRIDLE BIT RANCH MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY WESTPORT OIL & GAS COMPANY, L.P. WESTPORT OIL & GAS COMPANY, L.P. WESTPORT OIL & GAS COMPANY, L.P. WESTPORT OIL & GAS COMPANY, L.P. MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WESTPORT OIL & GAS COMPANY, L.P. WESTPORT OIL & GAS COMPANY, L.P. WESTPORT OIL & GAS COMPANY, L.P. WESTPORT OIL & GAS COMPANY, L.P. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC USDA FOREST SERVICE

Facility Name
ARCH COAL FEDERAL 43-28-4371 FEDERAL 23-28 FEDERAL 32-28 ARCH COAL FEDERAL 34-28-4371 FEDERAL 41-28 BRIDLE BIT RANCH 43-29-4371 BRIDLE BIT RANCH 41-29-4371 BRIDLE BIT RANCH 34-29-4371 BRIDLE BIT RANCH 32-29-4371 H DILTS BRIDLE BIT RANCH #29-12 H DILTS BRIDLE BIT RANCH #29-14 H DILTS BRIDLE BIT RANCH #29-21 H DILTS BRIDLE BIT RANCH #29-23 PORCUPINE FEDERAL #43-32-4271 PORCUPINE FEDERAL #12-32-4371 PORCUPINE FEDERAL #14-32-4371 PORCUPINE FEDERAL #23-32-4371 PORCUPINE FEDERAL #21-32-4371 PORCUPINE FEDERAL #32-32-4371 PORCUPINE FEDERAL #34-32-4371 PORCUPINE FEDERAL #41-32-4371 DILTS FEDERAL 32-32 DILTS FEDERAL 43-32 DILTS FEDERAL 41-32 DILTS FEDERAL 34-32 PORCUPINE FED 32-32-4371 PORCUPINE FED 34-32-4371 PORCUPINE FED 41-32-4371 PORCUPINE FED 43-32-4371 PORCUPINE FED 12-32-4371 PORCUPINE FED 14-32-4371 PORCUPINE FED 21-32-4371 PORCUPINE FED 23-32-4371 MATHESON 21-33-4371 MATHESON 12-33-4371 FEDERAL 43-33 (DILTS) FEDERAL 41-33 FEDERAL 34-33 FEDERAL 32-33 BRIDLE BIT RANCH 14-33-4371 BRIDLE BIT RANCH 23-33-4371 MARG #3

Status
GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST

Uses
CBM CBM CBM CBM CBM CBM CBM CBM CBM STO, CBM STO, CBM STO, CBM STO, CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO

Yld
4 6 51 7 5 30 30 30 25 17 20 2 20

TD
527 579 572 519 564 643 643 624 693 657 625 657 631

12 12 12 12 25 30 30 0 1 5 33 33 60

688 743 635 743 586 640 633 523 710 611 678 706 353

Draft EIS, Wright Area Coal Lease Applications

S2-29

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P113674W P113784W P113785W P114640W P116808W P116809W P116996W P116997W P116998W P116999W P147200W P147205W P156945W P156946W P14237W P112562W P112563W P112573W P112574W P112575W P112576W P112577W P112578W P113671W P128524W P152861W P167127W P167143W P169866W

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
34 34 34 34 34 34 34 34 34 34 34 34 34 34 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35

QQ
NWNW NWSW NESW NENW SWNE NENE NWNW NWSW NENW NESW NESE SWSE NESE SWSE SWNW SENE NENE NWNW SWNW SENE SENW NWNE SWNE NENE NESE NESW NESW SWSW SWSE

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. USDA FOREST SERVICE LANCE OIL & GAS COMPANY, INC BARRETT RESOURCES CORP. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC USDA, NATIONAL FOREST SERVICE** WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. WYO BOARD OF LAND COMMISSIONERS** YATES PETROLEUM CORP. WYO BOARD OF LAND COMMISSIONERS** YATES PETROLEUM CORP. YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS

Status
GST GST GST GST GST GST GST GST GST GST GSI GSI GST GST GST GST UNA GST GST GST GST GST GST GST GST GSE GSI GSI GSI

Uses
STO, CBM STO, CBM STO, CBM CBM STO, CBM STO, CBM CBM CBM CBM CBM CBM CBM CBM CBM STO CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO, MIS, CBM STO, MIS, CBM STO, CBM STO, CBM STO, CBM STO, CBM

Yld
20 20 20 20 55 55 50 50 50 50

TD
489 570 566 471 515 515 489 570 471 566

1 0 5 20 0 11 27 30 22 22 22 20 30

515 510 275 422 0 480 508 478 489 428 423 387 388

P111368W

8/7/1998

SENW

RENO CS STATE #1

GST

376

P112081W P115174W P115175W P115176W P115177W

9/30/1998 4/12/1999 4/12/1999 4/12/1999 4/12/1999

43 43 43 43 43

71 71 71 71 71

36 36 36 36 36

SENW NENW NWNW SWSE NENE

ENL RENO CS STATE #1 RENO CS STATE #2 RENO CS STATE #3 RENO CS STATE #6 RENO CS STATE #7

GST GST GST GST GST

25 100 100 100 100

376 375 397 377 364

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S2-3. Groundwater Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P115178W P115179W P115180W P117263W P117264W P117265W P117266W P117267W P117268W P33645W P85874W

Priority
4/12/1999 4/12/1999 4/12/1999 4/12/1999 4/12/1999 4/12/1999 4/12/1999 4/12/1999 4/12/1999 6/2/1976 8/20/1991

TNS
43 43 43 43 43 43 43 43 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71

SEC
36 36 36 36 36 36 36 36 36 36 36

QQ
NWNE SENE NESE NWSW SESW SWSW SESE SWNW NESW NWNW SWSW

Facility Name
RENO CS STATE #8 RENO CS STATE #9 RENO CS STATE #10 RENO CS STATE #12 RENO CS STATE #14 RENO CS STATE #13 RENO CS STATE #11 RENO CS STATE #4 RENO CS STATE #5 ECH 7 BTR-159

Status
GST GST GST GST GST GST GST GST GST GST GST

Uses
STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM STO, CBM MON MON

Yld
100 100 100 100 100 100 100 100 100 0 0

TD
380 357 355 389 394 394 359 395 382 395 392

Draft EIS, Wright Area Coal Lease Applications

S2-31

Supplementary Information on the Affected Environment
Notes for Non Mining-related Groundwater Rights within 3 Miles of the South Hilight Field LBA Tract Search Conducted October 8, 2007 Groundwater Right Township 42N 42N 43N 43N Search Area: Range 70W 71W 70W 71W

Sections 4-9, 16-20
1-5, 8-17, 21-24
5-8, 17-20, 28-33
1-5, 8-17, 20-29, 32-36

Status Codes ADJ Adjudicated GSE Good standing, permitted time limits have been extended GSI Good standing incomplete; required notices not received; not yet expired GSM Good standing but map is still required GST Good standing UNA Unadjudicated Approximately 246 separate water rights with a status code of ABA (Abandoned), A&C (Abandoned and Cancelled), CAN (Cancelled), or EXP (Expired) have been eliminated from the listing provided above, as none of these well codes represent a valid current right. Use Codes CBM Coal Bed Methane DEW Dewatering DOM Domestic DRI Drilling IND Industrial STO Stock

IRR MIS MON RES TEM

Irrigation Miscellaneous Monitoring Reservoir Supply Temporary Use

S2-32

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S2-4. Surface Water Rights for South Hilight Field LBA Tract.
Permit No.
CR3/299A P16846S P3931S CR2/458A CR4/253A P5561S CR3/300A P3943S P9853S P10086S P16867S P16868S P4578S P16869S P16870S P16871S P16872S CR4/303A P5557S P16914S CR3/301A P4191S CR2/459A P4991R P7102D CR3/309A P3906S P16918S P16915S P16916S

Priority

TNS RNG SEC QQ
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 70 70 70 70 70 70 70 70 70 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 7 7 7 9 17 17 18 18 20 2 3 4 5 8 8 8 8 9 9 10 11 11 12 12 12 13 13 14 15 15

Applicant

Appropriation
USDA, FOREST SERVICE

Facility Name
RENO LIVESTOCK #9-240-2 STOCK RESERVOIR

Status
PUO UNA PUO PUO PUO PUO PUO PUO GST GST UNA UNA UNA UNA UNA UNA UNA

Source

Uses
STO

1/26/2004 3/18/1963

14 14 USFS 14 USDA FOREST SERVICE 7 9 9 USDA FOREST SERVICE 1 1 5

OLSON DRAW OLSON DRAW STO STO OLSON DRAW STO OLSON DRAW PLAYA DRAW SAFFORD DRAW SOHN DRAW BAHL DRAW BIRDSALL DRAW BLACK BUTTE CREEK BLACK BUTTE CREEK BLACK BUTTE CREEK BLACK BUTTE CREEK STO STO

USDA, FOREST SERVICE USDA, FOREST SERVICE

THUNDER BASIN NO. 52 RESERVOIR WILKINSON #F.S.9-264-6 STOCK RESERVOIR WILKINSON #9-264-3 STOCK RESERVOIR MACKEY #9-223-4 STOCK RESERVOIR RENO #9-240-12 STOCK RESERVOIR

5/6/1966

USDA, FOREST SERVICE USDA FOREST SERVICE USA USDA FOREST SERVICE USDA, FOREST SERVICE

3/18/1963 1/14/1986 2/9/1987 5/12/2004 6/9/2003 4/28/1964 6/9/2003 6/9/2003 6/9/2003 6/9/2003

0 USA USDA FOREST SERVICE USDA, FOREST SERVICE 0 BRIDLE BIT RANCH CO.** MERIT ENERGY CO. 0 BRIDLE BIT RANCH CO. 8 HALBERT MATHESON 2 BRIDLE BIT RANCH CO.

14 BRIDLE BIT RANCH CO. 14 BRIDLE BIT RANCH CO. 15 BRIDLE BIT RANCH CO. 15 USDA, FOREST SERVICE 15 USDA FOREST SERVICE BRIDLE BIT RANCH CO.** WYO STATE OFFICE 0 OF LANDS & INVESTMENTS 2 2 1 1 2 USDA, FOREST SERVICE USDA FOREST SERVICE USDA, FOREST SERVICE USDA FARM SECURITY ADMINISTRATION EDITH M. SIMPSON STUART #256-2 STOCK RESERVOIR THUNDER BASIN RESERVOIR NO. 54 MATHESON #F.S.9-228-7 STOCK RESERVOIR

5/6/1966 6/9/2003

ADJ ADJ UNA

STO BAHL DRAW GRAY CREEK STO BRIGGS DRAW STO TANNER DRAW LITTLE PORCUPINE CREEK STO STUART DRAW STEW DRAW BAHL DRAW GRAY CREEK

REVLAND #242-1 STOCK RESERVOIR

1/31/1964

PUO PUO PUO PUO PUD PUO PUO UNA UNA UNA

2/17/1939 2/13/1906

8/8/1962 6/9/2003 6/9/2003 6/9/2003

10 USDA, FOREST SERVICE 10 USDA FOREST SERVICE BRIDLE BIT RANCH CO.** WYO STATE OFFICE 0 OF LANDS & INVESTMENTS BRIDLE BIT RANCH CO.** WYO STATE OFFICE 0 OF LANDS & INVESTMENTS BRIDLE BIT RANCH CO.** WYO STATE OFFICE 0 OF LANDS & INVESTMENTS

Draft EIS, Wright Area Coal Lease Applications

S2-33

Supplementary Information on the Affected Environment Table S2-4. Surface Water Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P16917S

Priority
6/9/2003

TNS RNG SEC QQ
42 71 15 0

Applicant
BRIDLE BIT RANCH CO.** WYO STATE OFFICE OF LANDS & INVESTMENTS

Appropriation

Facility Name

Status
UNA

Source
GRAY CREEK

Uses

C40/337A C40/338A

42 42

71 71

21 21

2 2

JOHN PAISLEY JOHN PAISLEY

PAISLEY RESERVOIR PAISLEY DITCH

PUO PUD

C40/339A C40/340A P12399D P12756D P2649R P2749R CR2/473A CR3/302A P3888S P4898R CR9/373A P7065S P2815S POU CR2/456A P4909R CR1/387A P1163S P5501R P1165S P5723S 33/4/110S P1164S CR4/254A P2343S P5938S P5724S C42/270A

5/6/1914 11/5/1914 5/6/1914 11/5/1914

42 42 42 42 42 42 42 42 42 42 42 42 42 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

71 71 71 71 71 71 71 71 71 71 71 71 71 70 70 70 71 71 71 71 71 71 71 71 71 71 71 71

21 21 21 21 21 21 22 22 22 22 23 23 24 7 8 8 3 3 3 4 4 5 9 10 10 10 11 17

6 6 3

JOHN PAISLEY JOHN PAISLEY JOHN PAISLEY

BUTTE CREEK RESERVOIR BUTTE CREEK DITCH

PUO PUD PUD PUD ADJ ADJ

IRR, STO, DOM IRR IRR, STO, DOM IRR PORCUPINE CREEK BLACK BUTTE CREEK PORCUPINE CREEK BLACK BUTTE CREEK STO STO PORCUPINE CREEK GRAY CREEK STO STUART DRAW NATURAL DEPRESSION DRAW

6 JOHN PAISLEY 3 JOHN PAISLEY 6 1 10 10 USDA FOREST SERVICE 1 U.S.D.A. FOREST SERVICE 9 9 JOHN PAISLEY USDA, FOREST SERVICE USDA, FOREST SERVICE THUNDER BASIN NO. 32 RESERVOIR MATHESON #228-2 STOCK RESERVOIR

PUO PUO PUO PUO PUO PUO UNA GSI

8/8/1962 7/30/1938

USDA, FOREST SERVICE USDA FOREST SERVICE

MATHESON #F.S. 9-228-12 STOCK RESERVOIR

9/20/1971 8/12/1959

12 PAUL WILKINSON 11 1 1 USDA FARM SECURITY ADMINISTRATION 9 6 E. E. STUART ESTATE 9 E.E. STUART 6 E. E. STUART ESTATE 6 STUART BROTHERS INC. 0 JAMES R. & IRENE STUART TRUSTS 16 E. E. STUART ESTATE 4 11 PAUL AND RUBY H. STUART 4 USDA FOREST SERVICE 16 HAROLD E. ZIMMER 16 USDA, FOREST SERVICE STUART #F.S.9-256-3 STOCK RESERVOIR USDA, FOREST SERVICE E. E. STUART THUNDER BASIN NO. 105 RESERVOIR STUART RESERVOIR

7/30/1938 3/3/1955 3/1/1943 3/3/1955 10/10/1966 9/26/2005 3/3/1955

ADJ ADJ PUO

STO SHIPLEY CREEK STO PETTERS BASIN DRY FORK LITTLE THUNDER SPRINGEN DRAW HAUMAN DRAW DRY FORK LITTLE THUNDER CREEK MANOR DRAW STO SCHROYER DRAW ERICKSON DRAW ZIMMER DRAW STO NORTH PRONG LITTLE THUNDER CREEK

ADJ PUO PUO UNA PUO PUO PUO ADJ UNA PUO

8/4/1958 2/27/1967 10/10/1966

FLORENCE B. ELEXANDER FLORENCE RESERVOIR

P3402R

1/4/1917

16 MARION C. ELEXANDER

PUO

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S2-4. Surface Water Rights for South Hilight Field LBA Tract (Continued).
Permit No.
P10085S CR2/455A P33347D P4843R P10087S CR9/356A P8135S P17302S P4579S P16214S P2926S 11/2/2005 3/31/1938 2/9/1987

Priority
2/9/1987

TNS RNG SEC QQ
43 43 43 43 43 43 43 43 43 43 43 71 71 71 71 71 71 71 71 71 71 71 20 22 22 22 25 27 27 29 32 34 34 0 6

Applicant
USA USDA FOREST SERVICE

Appropriation
USDA, FOREST SERVICE USDA, FOREST SERVICE

Facility Name
RENO #9-239-2 STOCK RESERVOIR THUNDER BASIN NO. 10 RESERVOIR

Status
GST PUO UNA ADJ

Source
SAGER DRAW

Uses
STO STO

13 E.H. OFTEDAL & SONS, INC. 6 0 8 8 10 11 0 5 USDA FOREST SERVICE USA USDA FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA FOREST SERVICE JERRY & BARBARA DILTS HALBERT MATHESON JERRY DILTS**TOM EDWARDS HALBERT MATHESON RENO #9-240-13 STOCK RESERVOIR RENO #9-221-2 STOCK RESERVOIR

LITTLE THUNDER CREEK LITTLE THUNDER CREEK PETTERS DRAW STO STO DRY LAKE BED BIRD DRAW BLACK BUTTE DRAW GREY DRAW BRIGGS DRAW

UNA PUO PUO UNA PUO UNA UNA

7/21/1976 8/23/2005 4/28/1964 12/2/2004 11/3/1959

Draft EIS, Wright Area Coal Lease Applications

S2-35

Supplementary Information on the Affected Environment
Notes for Non Mining-related Surface Water Rights within 3 Miles of the South Hilight Field LBA Tract Search Conducted October 10, 2007 Surface Water Right Township 42N 42N 43N 43N Search Area: Range Sections 70W 4-9, 16-20
71W 1-5, 8-17, 20-24
70W 5-8, 17-20, 28-33
71W 1-5, 8-17, 20-29, 32-36

Water rights were searched to the nearest quarter-quarter of each section listed above. Any part of a quarter-quarter that lies within three miles of the LBA tract is included. Record suffixes are denoted as follows: "A" Adjudicated (finalized) rights; unless the right is a territorial appropriation, there will be a match in the reference column from one of the following permit types for the unadjudicated portion "D" Ditch or pipeline permit "E" Enlargement of a ditch or pipeline permit "R" Reservoir permit "S" Stock reservoir permit Status Codes ABA Abandoned A&C Abandoned and Cancelled AME Amended (moved) ADJ Adjudicated CAN Cancelled DSC Description EXP Expired ELI Eliminated GST Good standing REJ Rejected PU Point of use non irrigation (not actual status) PUD Point of diversion (not actual status) PUO Point of reservoir outlet (not actual status) TRA Transferred TEM Temporary UNA Unadjudicated Use Codes DOM Domestic RES Reservoir supply

IRR STO

Irrigation Stock

Approximately 84 separate water rights with a status code of ABA, A&C, AME, CAN, ELI, EXP, REJ, or TRA have been eliminated from the search area listing provided above (including those belonging to the mining companies), as none of these use codes represent a valid current right. The following quarter-quarters are designated by the “QQ” field: 9 NE¼SW¼ 1 NE¼NE¼ 10 NW¼ SW¼ 2 NW¼NE¼ 11 SW¼ SW¼ 3 SW¼NE¼ 4 SE¼NE¼ 12 SE¼ SW¼ 5 NE¼NW¼ 13 NE¼SE¼ 6 NW¼NW¼ 14 NW¼SE¼ 7 SW¼NW¼ 15 SW¼SE¼ 8 SE¼NW¼ 16 SE¼SE¼

S2-36

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment S2-6 ALLUVIAL VALLEY FLOORS Under the Surface Mining Control and Reclamation Act of 1977 (SMCRA), surface coal mining operations that would interrupt, discontinue, or preclude farming on alluvial valley floors (AVFs) is prohibited unless the affected AVF is undeveloped rangeland that is not significant to farming or if the affected AVF is of such small acreage that it would have a negligible impact on a farm’s agricultural production. These restrictions also apply if AVFs that are downstream of the area proposed for mining would be affected by disruptions in streamflow. Provided Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD) determines that an AVF is not significant to agriculture, it can be disturbed by mining but must be restored as part of the reclamation process. For any designated AVF, regardless of its significance to agriculture, it must be demonstrated that the essential hydrologic functions of the AVF, both within and outside the mine area, will be protected. WDEQ regulations define AVFs as unconsolidated stream laid deposits where water availability is sufficient for subirrigation or flood irrigation agricultural activities. Guidelines established by the Office of Surface Mining Reclamation and Enforcement (OSM) and WDEQ/LQD for the identification of AVFs require detailed studies of geomorphology, soils, hydrology, vegetation, and land use. These studies are used to identify: 1) the presence of unconsolidated stream laid deposits, 2) the possibility for artificial flood irrigation, 3) past and/or present flood irrigation, and 4) apparent subirrigated areas and the possibility for natural flood irrigation. Areas that are identified as AVFs following these studies are evaluated for their significance to farming by WDEQ/LQD. In a decision by the U.S. District Court for the District of Columbia, Civil Action Number 69-1144 (1980) (known as the Flannery Decision), the court noted that an AVF must satisfy both geologic criteria (unconsolidated stream laid deposits) and hydrologic criteria (water sufficient to sustain agriculture). Therefore, the court emphasized that the key to the existence of an AVF is the presence of both geologic and water availability characteristics, which together sustain agricultural activities. Little Thunder Creek drains most of the northern portion of the South Hilight Field LBA tract. A short reach of the Little Thunder Creek channel crosses the northern portion of the LBA tract as applied for. The southern portion of the LBA tract does not contribute runoff to any stream and drains to a playa formed in the lowest portion of a natural topographic depression. Like all streams within and adjacent to the LBA tract, streamflow in Little Thunder Creek is ephemeral and flow events result primarily from snowmelt during the late winter and thunderstorm events in the spring. Mapping of the area’s surficial geology (Reheis and Coates 1987, Moore and Coates 1978, Coates 1977 and 1978a) shows that alluvial deposits within the LBA tract’s general analysis area occur only along the channel of Little Thunder Creek (Figure S2-2), and these alluvial materials are comprised of Draft EIS, Wright Area Coal Lease Applications S2-37

Supplementary Information on the Affected Environment stream-channel and overbank deposits. Due to its limited areal extent, limited saturated thickness, and low hydraulic conductivity, these alluvial deposits do not consistently produce enough water to be put to beneficial use. In addition, the alluvial groundwater is generally of such poor quality that it does not meet WDEQ/WQD standards for agricultural use. Surface water quantity and quality are insufficient to support agricultural activities. Little Thunder Creek and its tributaries within and extending a half mile beyond Black Thunder Mine’s existing permit boundary have been formally investigated for the presence of AVFs by TBCC. Therefore, the entire length of Little Thunder Creek within the South Hilight Field LBA Tract has been investigated, and the reports of these studies are contained in Black Thunder Mine’s WDEQ/LQD mine permit (TBCC 2005). These investigations concluded, and WDEQ has concurred, that no AVFs exist along Little Thunder Creek within the South Hilight Field LBA Tract. The declared AVF at the North Prong Little Thunder Creek and Little Thunder Creek confluence is located several miles downstream from the LBA tract and would not be affected by mining and reclamation within the tract. Other drainages on the South Hilight Field tract are much smaller and AVF characteristics are negligible. Few stream laid deposits are present, the streams do not consistently produce enough runoff to be put to beneficial use, and the soils that dominate the drainage bottoms within the general analysis area are classified by the Natural Resource Conservation Service (NRCS) as unsuitable for irrigation. In addition, there are no present or historical records of agricultural use, other than undeveloped range land, of the stream channels and associated stream laid deposits within the general analysis area for the tract. There are some areas within the LBA tract’s general analysis area that have been used as hayland. In years with sufficient precipitation, grass hay (crested wheatgrass) is harvested. Production from these fields is solely driven by early season precipitation; none is due to flood irrigation (artificial or natural) or subirrigation. If the South Hilight Field LBA Tract is leased and proposed for mining, an AVF assessment would be part of the mine permitting process. Based on previous non-AVF declarations made on Little Thunder Creek within and adjacent to the South Hilight Field LBA Tract, it is unlikely that the WDEQ/LQD would make a new declaration that an AVF is present within the general analysis area for the tract. S2-7 WETLANDS The federal and state regulatory programs, which are administered by the U.S. Army Corps of Engineers (COE) and Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD), respectively, that require special permitting procedures to assure that after mining there are no net loss of wetlands are described in Section S1-7. A description of wetland types and S2-38 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Other Waters of the United States (OWUS) from a permitting perspective is also given in Section S1-7. A preliminary wetlands inventory of the general analysis area for the South Hilight Field LBA Tract was conducted by Knight Technologies Inc. (KTI), of Gillette, Wyoming, in 2007. This inventory was based on United States Fish and Wildlife Service (USFWS) National Wetland Inventory (NWI) mapping (1980), review of color-infrared orthophotography maps (2001), and visual field reconnaissance of vegetation and hydrology indicators. Figure S2-3 depicts the USFWS NWI mapping within the general analysis area (wetlands analysis area) for the South Hilight Field LBA Tract. KTI’s initial field reconnaissance indicated that wetland areas mapped by the USFWS NWI in 1980 have been altered due to coal bed natural gas (CBNG) related water production within and upstream of the tract’s general analysis area. This preliminary assessment identified the presence of several categories of wetlands and OWUS. The categories consisted of dry ephemeral drainages and the Palustrine emergent (PEM) USFWS wetland habitat classification. Within the entire general analysis area for the South Hilight Field LBA Tract (3,367.9 acres), the preliminary wetland inventory identified a total of 55.1 acres of wetlands and OWUS. These wetlands and OWUS were found within five general land categories: ephemeral streams, playas, ponds/reservoirs, isolated depressions, and excavated upland areas. Of these 55.1 acres, approximately 52.3 acres are vegetated wetlands that consist of approximately 51.2 acres of palustrine emergent herbaceous wet meadow or marsh and approximately 1.1 acres of palustrine aquatic beds located along ephemeral stream channels and around ponds, playas and depressions. The remaining 2.8 acres are channel OWUS (open water in Little Thunder Creek). Little Thunder Creek was initially classified as a palustrine wetland (PEMA on Figure S2-3) by NWI, but currently meets the classification of a riverine, streambed system that is being influenced by CBNG discharge water. Open water areas typically support a fringe of area classified as PEM wetlands. At this time, a distinction has not been made between jurisdictional and nonjurisdictional acreages of wetlands and OWUS since only the COE has the authorization to make such determination following the submittal and review of a formal wetland delineation as part of the permitting process. A wetland delineation would be conducted and submitted to the COE with a formal Section 404 Jurisdictional Determination request as part of the WDEQ/LQD mine permitting process. S2-8 SOILS The general analysis area for the South Hilight Field LBA Tract has been subjected to Order 1-2 and/or Order 3 soil surveys in the recent past. Those surveys being: Draft EIS, Wright Area Coal Lease Applications S2-39

Supplementary Information on the Affected Environment
R. 71 W. R. 70 W.
16 15 14 13 18 17

PEMA

PEMA PEMA
28 27

PEMA

PEMA
33 34 35 36 31 32

T. 43 N. T. 42 N.
4 3

PEMA

T. 43 N. T. 42 N.
1 6 5

PEMAh

PEMC

PEMA PEMA

PEMAh

PEMA

R. 71 W. R. 70 W.

LEGEND
Existing Black Thunder Mine Federal Coal Leases South Hilight Field LBA Tract Wetlands Analysis Area Boundary
PEMA PEMA
0 2000

USFWS NWI Map Classification Codes
PEMA PEMC

Palustrine, Emergent, Temporarily Flooded

Wetlands Areas (i.e., broad depressions, stock pond areas) Linear Wetlands (i.e., narrow ephemeral drainage channels)
4000 8000

Palustrine, Emergent, Seasonally Flooded Palustrine, Emergent, Temporarily PEMAh Flooded, Diked/Impounded

USFWS NWI Mapping (1980) GRAPHIC SCALE (FEET)

Figure S2-3. Wetlands Within the General Analysis Area for the South Hilight Field LBA Tract.

S2-40

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment




All of Section 23, the E½NE¼ and the SE¼ of Section 26, and the E½ of Section 35, T.43N., R.71W. and the NW¼ of Section 1 and the NE¼ of Section 2, T.42N., R.71W. were mapped during the baseline Order 1-2 soil surveys of the West Black Thunder and Little Thunder Amendment Areas of the Black Thunder Mine, which are part of its existing approved WDEQ/LQD mine permit. The E½SW¼ of Section 1, T.42N., R.71W. was mapped during the baseline Order 1-2 soil survey of the West Roundup Amendment Area of the (inactive) North Rochelle Mine and is part of its approved WDEQ/LQD mine permit. The West Roundup LBA coal lease is now owned by Peabody Energy Corporation (PEC) and will be included in the proposed School Creek Mine. The remainder of the LBA tract’s general analysis area has been covered by the National Resource Conservation Service (NRCS) Order 3 soil survey of southern Campbell County (Prink et al. 2004).

All Order 1-2 soil surveys were completed in accordance with WDEQ/LQD Guideline No.1, which outlines required soils information necessary for a coal mining operation. The WDEQ inventories included field sampling and observations at the requisite number of individual sites, and laboratory analysis of representative collected samples. Soils within the analysis area were identified by series, which consist of soils that have similar horizons in their profile. Horizons are soil layers having similar color, texture, structure, reaction, consistency, mineral and chemical composition, and arrangement in the profile. NRCS Order 3 mapping is completed according to national guidelines and standards. This scale of mapping, i.e., 40 acre minimum size delineation of soil map unit polygons, is much larger than the WDEQ surveys. Soils vary depending upon where and how they were formed. Major factors involved in the formation of soils include whether or not the material was transported and how the material was weathered during transportation. Four primary soil formation processes causing different soil types were noted: 1) those soils developing predominantly in thin residuum from sandstone or shale on upland ridges, 2) those soils developing predominantly in slopewash, colluvium, or alluvial fan deposits from mixed sources on gently sloping uplands, 3) those soils developing predominantly in coarse-textured alluvium or sandy eolian deposits on rolling uplands, and 4) drainage soils developing in mixed stream laid alluvium on terraces and channels, and in fine-textured playa deposits in depressions and closed basins. The soil depths and types in the general analysis area for the North Hilight Field tract are similar to soils currently being salvaged and utilized for reclamation at the neighboring Black Thunder and Jacobs Ranch mines, as well as other mines in the eastern PRB. The following is a list of the soil types delineated in the tract’s BLM study area (note that some series determinations have changed since the original surveys were completed). The major soils Draft EIS, Wright Area Coal Lease Applications S2-41

Supplementary Information on the Affected Environment series encountered within the soil survey area were grouped according to the primary soil formation processes and are listed as follows: Soils developing predominantly in thin residuum from sandstone or shale on upland ridges and hills
     

Shallow Entisols Samsil clay, 2 to 15 percent slopes Worfka loam, 3 to 15 percent slopes Worf loam, 3 to 15 percent slopes Shingle-Shake Complex, 0 to 6 percent slopes Shingle loam, 3 to 10 percent slopes

Soils developing predominantly in colluvium or alluvial fan deposits from mixed sources on gently sloping uplands
                           

Arvada, thick surface very fine sandy loam, 0 to 6 percent slopes Bidman-Parmleed loams, 0 to 6 percent slopes Bidman-Parmleed loams, 6 to 15 percent slopes Bidman-Ulm loams, 0 to 6 percent slopes Forkwood-Cushman loams, 0 to 6 percent slopes Theedle-Kishona-Shingle loams, 3 to 30 percent slopes Ulm-Renohill clay loams, 0 to 6 percent slopes Nomil clay loam, 0 to 1 percent slopes Cushman loam, 0 to 6 percent slopes Forkwood loam, 0 to 6 percent slopes Renohill fine sandy loam, 0 to 6 percent slopes Maysdorf-Pugsley, 2 to 20 percent slopes Bidman loam-Bidman loam, loamy substratum, 0 to 6 percent slopes Bidman clay loam, 1 to 8 percent slopes Bidman loam, 0 to 3 percent slopes Ulm loam, 0 to 8 percent slopes Ulm fine sandy loam, 0 to 6 percent slopes Arvada (Absted) fine sandy loam, 0 to 3 percent slopes Parmleed (Briggsdale) loam, 0 to 6 percent slopes Theedle loam, 0 to 6 percent slopes Theedle loam, 6 to 20 percent slopes Kishona loam, 6 to 20 percent slopes Savageton clay loam, 0 to 6 percent slopes Savageton clay loam, 6 to 15 percent slopes Pugsley fine sandy loam, 0 to 10 percent slopes Cushman-Theedle loams, 0 to 6 percent slopes Parmleed-Renohill Complex, 3 to 15 percent slopes Renohill-Savageton clay loams, 6 to 15 percent slopes

S2-42

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Soils developing predominantly in coarse-textured residuum, alluvium and sandy eolian deposits on rolling uplands
       

Hiland-Bowbac fine sandy loams, 0 to 6 percent slopes Hiland-Bowbac fine sandy loams, 6 to 15 percent slopes Hiland sandy loam Maysdorf fine sandy loam, 0 to 6 percent slopes Bowbac fine sandy loam, 0 to 6 percent slopes Hiland (Olney) fine sandy loam, 0 to 6 percent slopes Bowbac fine sandy loam, 6 to 15 percent slopes Hiland (Olney) fine sandy loam, 6 to 15 percent slopes

Drainage soils developing in mixed stream laid alluvium on terraces and channels and in fine-textured playa deposits in depressions and closed basins
 

Felix clay, ponded, 0 to 2 percent slopes Aeric Fluvaquents, 0 to 3 percent slopes

Table S2-5 provides the extent of five depth classes of suitable topsoil within the BLM study area. Table S2-5. Acres of Topsoil Available for Reclamation Within the BLM Study Area for the South Hilight Field LBA Tract. Thickness of Suitable Topsoil (inches) 0 0 – 12 12 – 30 30 – 48 48 – 60 Total Acres 53.86 143.96 664.39 1,538.11 552.28 2,952.70 Percent 1.83 4.87 22.50 52.10 18.70 100.00

The South Hilight Field LBA Tract baseline soils analysis, in conjunction with the county-wide NRCS soil survey, indicates that the amount of suitable topsoil that would be available for redistribution on all disturbed acres within the analysis area during reclamation would have an average depth of 2.7 feet. Areas of unsuitable soils include sites with high alkalinity, salinity or excess sand/clay content. The tract is expected to have adequate quantity and quality of soil for reclamation. The NRCS Order 3 soil survey has located hydric soils, which are one component used in identifying wetlands. S2-9 VEGETATION The vegetation communities in the general analysis area for the South Hilight Field LBA Tract (3,368 total acres) were appraised and mapped by Habitat Draft EIS, Wright Area Coal Lease Applications S2-43

Supplementary Information on the Affected Environment Management, Inc. of Gillette, Wyoming in 2007 to provide a preliminary assessment. Vegetation within the LBA tract’s general analysis area consists of species common to eastern Wyoming. A total of eight vegetation types have been preliminarily identified and mapped within the LBA tract’s general analysis area. Table S2-6 presents the acreage and percent of the analysis area encompassed by each vegetation type. The vegetation types include Mixed Prairie Grassland, Big Sagebrush Shrubland, Playas, Streamside Grassland, Agricultural Pasture, Saline Bottomland, and variations of these communities. Disturbed lands, reclaimed lands, and reservoir areas were also identified. Table S2-6. Vegetation Types Identified and Mapped Within the South Hilight Field LBA Tract.
Area Applied BLM Study General For Area Analysis Area (Acres) (Percent) (Acres) (Percent) (Acres) (Percent)
394.72 934.13 19.92 0.00 16.04 0.00 115.76 321.78 0.00 0.00 5.07 158.98 9.04 0.00 1,975.00 19.98 47.29 1.01 0.00 0.81 0.00 5.86 16.29 0.00 0.00 0.26 8.05 0.46 0.00 100.00 634.31 1,554.83 19.92 0.00 16.04 0.00 115.76 342.65 0.00 0.00 5.38 219.09 12.22 0.21 2,920.00 21.72 53.24 0.68 0.00 0.55 0.00 3.96 11.73 0.00 0.00 0.18 7.50 0.42 0.01 100.00 661.17 1,862.57 43.49 0.00 16.09 0.00 116.96 368.31 0.00 0.00 43.20 252.54 3.40 0.21 19.63
55.30
1.29
0.00
0.48
0.00
3.47
10.94
0.00
0.00
1.28
7.50
0.10
0.01

3,368.00 100.00

In terms of total acres of occurrence in the general analysis area, the predominant vegetation types are Big Sagebrush Shrubland (roughly 55 percent), Mixed Prairie Grassland (roughly 20 percent), and Agricultural Pasture 1 and 2 (roughly 14 percent). These vegetation types are described as follows: The Big Sagebrush Shrubland community is characterized by the presence of Wyoming big sagebrush (Artemisia tridentata ssp. Wyomingensis) at a density of 20 percent or greater, and the grasses western wheatgrass (Pascopyrum smithii), blue grama (Bouteloua gracilis), green needlegrass (Nassella viridula), needle and thread (Hesperostipa comata), and crested wheatgrass (Agropyron S2-44 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment cristatum). The density of shrubs and grasses varies throughout the area, with some portions consisting of very dense shrubs with minimal grass component and other areas with a lower density of shrubs and a very heavy grass component. Plains prickly pear (Opuntia polyacantha) is also common throughout this community type, and lichen can make a substantial contribution to ground cover particularly in dry years. This community is associated with a wide variety of soil types. The Mixed Prairie Grassland community is characterized by the presence of western wheatgrass, blue grama, green needlegrass, needle and thread, and crested wheatgrass and a low density of shrub species (less than 20 percent). This community frequently occurs on Hiland-Bowbac fine sandy loam soils with 0-6 percent slopes, but can be found on a wide variety of soil types. Agricultural Pasture 1 and 2 are areas that have been historically seeded with crested wheatgrass for agricultural or grazing purposes, and the species has persisted over time. Vegetation communities delineated as Agricultural Pasture 1 have a low shrub component of 0-20 percent and are generally dominated by a crested wheatgrass monoculture. Agricultural Pasture 1 communities may be currently under use for hay production. Vegetation communities delineated as Agricultural Pasture 2 have a greater shrub component with a density of 20 percent or more, and, although still dominant, the density of crested wheatgrass is reduced and other graminoid species are present. Playas are distinct, low-lying patches that likely accumulate moisture during times of high precipitation or significant snowmelt. They are essentially absent of any shrub component and are usually either dominated by grasses including inland salt grass (Distichlis spicata) and foxtail barley (Hordeum jubatum) or are barren. Many playas have been modified in the center; with a large pond/reservoir excavated for use as either water sources for livestock or containment for CBMG production-associated discharge water. These playas most frequently occur on Felix clay ponded soils with 0-2 percent slopes, although they also occur on other soil types. Saline Bottomland is characterized by the presence of highly compacted, exposed soils, Wyoming big sagebrush, and plains prickly pair, and a low density of grasses, although inland saltgrass and alkali sacaton (Sporobolus airoides) are found here. This community has been overgrazed and the surface is highly erodible. It occurs almost exclusively on the Arvada, thick surface Arvada-slickspots soil complex. Streamside Grassland is dominated by inland salt grass, alkali sacaton and some sedge and rush species (Carex spp. and Juncus spp.). Grasses present in the Mixed Prairie Grassland are also found here. Some areas categorized as streamside grassland may include true wetland; however wetlands were not delineated for the purpose of determining vegetation communities. Streamside grassland is most frequently found on the Arvada, thick surface-ArvadaSlickspots soil Complex, and the Theedle-Kishona-Shingle loam soils with 3-30 percent slopes, but can be found on several other soil types as well. Draft EIS, Wright Area Coal Lease Applications S2-45

Supplementary Information on the Affected Environment Saline Bottomland is characterized by the presence of highly compacted, exposed soils, Wyoming big sagebrush and plains prickly pair, and a low density of grasses, although inland saltgrass and alkali sacaton are found here. This community has been overgrazed and the surface is highly erodible. It occurs almost exclusively on the Arvada, thick surface-Arvada-Slickspots soil complex. Disturbed lands include roads, areas surrounding active construction sites and mining facilities, oil and gas facilities, and occupied and abandoned homesteads. Several deciduous and/or coniferous trees have been planted around most homestead sites. Reclaimed lands include areas that were recently reclaimed after disturbance for the installation of oil and gas facilities or pipelines, road construction and other activities. Several reservoirs constructed for containment of CBNG discharge water, irrigation and/or livestock use are also present. S2-10 WILDLIFE S2-10.1 Wildlife Resources Background information on wildlife in the vicinity of the South Hilight Field LBA Tract was drawn from several sources, including Wyoming Game and Fish Department (WGFD) and U.S. Fish and Wildlife Service (USFWS) records, the Wyoming Natural Diversity Database (WYNDD), recent PRB federal coal lease application EIS documents (available for public review on Wyoming BLM’s website at http://www.blm.gov/wy/st/en.html), and personal contacts with WGFD and USFWS biologists. Site-specific data for the LBA tract’s general analysis area were obtained from several sources, including WDEQ/LQD mine permit applications and annual wildlife monitoring reports for the nearby coal mines. Due to the proximity of the proposed lease area to the adjacent mines’ (Black Thunder and Jacobs Ranch) permit areas, the general analysis area for the South Hilight Field tract has received some level of coverage annually since the early 1980s. Increasing percentages of the tract’s general analysis area were included in annual monitoring efforts as survey areas for the adjacent mines have been expanding due to previous coal lease acquisitions and subsequent permit area amendments. Baseline and annual wildlife surveys cover a large perimeter around mine permit areas; consequently, a majority of the proposed lease area and adjacent lands have been surveyed for wildlife species as part of the required monitoring surveys for these adjacent mines. In addition, Thunder Basin Coal Company (TBCC) initiated baseline investigations during 2006 and early 2007 expressly for the West Hilight Field LBA Tract with additional surveys targeting the North and South Hilight Field LBA Tracts in 2007 and 2008. The results of site-specific surveys for the entire leased area and appropriate perimeter will be part of the mine permitting process if the lease sale is held and the tract is proposed for mining. Thunderbird-Jones & Stokes (J&S), formerly Thunderbird Wildlife Consulting, Inc. (TWC), of Gillette, Wyoming, has conducted the historical and recent wildlife studies for the Black Thunder Mine, while Intermountain Resources (IR), of Laramie, Wyoming, has S2-46 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment conducted the historical and recent wildlife studies specifically for the Jacobs Ranch Mine. In an undisturbed condition, the major vegetation types in the tract’s general analysis area provide habitats for many species. Vegetation types tend to occur in a mosaic across the landscape; therefore, many wildlife species can be expected to utilize more than one habitat type. Predominant habitat types classified on the LBA tract and adjacent area correspond with the major plant communities defined by the vegetation survey and consist primarily of sagebrush shrublands (roughly 55 percent of the area), mixed prairie grasslands (roughly 20 percent of the area), and agricultural pasturelands (roughly 14 percent of the area). Disturbed lands include a network of oil and gas field access roads and areas surrounding oil and gas development activities (i.e., well pads, pipelines, tank batteries), mining-related facilities and activities, and both active and abandoned ranching-related facilities. Reclaimed lands include areas that were recently reclaimed after disturbance for the installation of oil and gas facilities or pipelines, road construction and other activities with varying degrees of recovering vegetation cover. The predominant natural wildlife habitat is shrubland with upland/mixed prairie grassland as the next largest habitat type. Wyoming big sagebrush characterizes the shrubland and native upland grasses of the region (i.e., western wheatgrass, needleandthread, prairie junegrass, blue grama, Sandberg bluegrass, and cheatgrass brome) characterize the mixed prairie grassland. The seeded grassland/agricultural pastureland is dominated by crested wheatgrass. The few trees that exist on the six WAC LBA tracts are largely limited to those planted around homesteads and ranch buildings. No designated critical, crucial, or unique wildlife habitats are present in the area. No perennial streams or other permanent water bodies exist within the general analysis area for the South Hilight Field LBA Tract. S2-10.2 Big Game The two big game species that are common in suitable habitat throughout the general analysis area for the South Hilight Field tract are pronghorn (Antilocapra americana) and mule deer (Odocoileus hemionus). Elk (Cervus elaphus) are frequent winter residents in the area, but spend most of the year in the Rochelle Hills east of the general analysis area. White-tailed deer (Odocoileus virginianus) are transients in the area due to their preference for riparian woodlands and irrigated agricultural lands. No crucial big game habitat or migration corridors are recognized by the WGFD in this area. Crucial range is defined as any particular seasonal range or habitat component that has been documented as the determining factor in a population’s ability to maintain and reproduce itself at a certain level. No significant differences in the occurrence of big game and their habitats within the general analysis areas for the North Hilight Field and South Hilight Field LBA Tract’s exist (refer to Section S1-10.2). The South Hilight Field tract Draft EIS, Wright Area Coal Lease Applications S2-47

Supplementary Information on the Affected Environment is within the Cheyenne River Pronghorn Herd Unit (Hunt Area 27) and the Thunder Basin Mule Deer Herd Unit (Hunt Area 10) (WGFD 2007a). S2-10.3 Other Mammals With the exception of the number and locations of prairie dog colonies, no significant differences in the occurrence of small- and medium-sized mammals and their habitats within the general analysis areas for the North Hilight Field and South Hilight Field LBA Tracts exist (refer to Section S1-10.3). Qualified wildlife biologists with IR and J&S have mapped the current acreage of prairie dog colonies in the vicinity of the Jacobs Ranch and Black Thunder mines, respectively, by walking the perimeters of colonies and delineating them using hand-held global positioning system (GPS) receivers and/or by visually mapping them on topographic maps. Surveys conducted within 2 miles of the general analysis area for the South Hilight Field LBA Tract located seven prairie dog colonies that cover a total of approximately 177.2 acres (the colonies are depicted on Figure 3-32 in the WAC DEIS). Only one colony (less than 1 acre in size) lay within the tract’s general analysis area itself (the area likely to be affected by development of the South Hilight Field LBA Tract). The other six colonies are approximately 2.0, 2.6, 7.7, 21.8, 53.9, and 89.1 acres in size. S2-10.4 Raptors Raptor species that are known to commonly nest in the general Wright analysis area are discussed in Section S1-10.4. The raptor monitoring areas for the Black Thunder and Jacobs Ranch mines include their respective permit areas and a surrounding 1- or 2-mile perimeter. Due to the proximity of the South Hilight Field LBA Tract to those adjacent mine survey areas, the tract’s entire general analysis area and most of the wildlife survey area for the South Hilight Field LBA Tract have been included in annual monitoring surveys since the early 1980s. Previous information regarding nests, including their historical use by nesting raptors is available in the mines’ permit applications and annual wildlife monitoring reports. Figure 3-33 in the WAC DEIS document depicts the locations of raptor nests identified within the South Hilight Field tract’s wildlife survey area, which includes the tract’s general analysis area and a 2-mile perimeter encompassing the general analysis area. Over time, raptors have built new nests and natural forces have destroyed many nests, while others have been relocated for mitigation or removed by mining activities. In some cases, nests have been created to mitigate other nest sites impacted by mining operations at this mine. A total of six raptor species have nested within the combined North, South, and West Hilight Field wildlife survey areas. Five of those six species have regularly nested within this area since annual monitoring began. Swainson’s hawks S2-48 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment began nesting in the area more recently, and have been a consistent breeder ever since. Based on sightings of young, it is likely that at least one pair of American kestrels nested in one of the many small cavities present in the snags along Little Thunder Creek. There is overlap between these three tracts’ study area boundaries, and as such, there is overlap in the reporting of raptor nests on the wildlife figures and in the North, South, and West Hilight Field tract discussions. In addition, due to the West Jacobs Ranch LBA Tract’s proximity to the three Hilight Field LBA Tracts, there is also an overlap in the reporting of raptor nests. The number of nests recorded within each of the wildlife survey areas are addressed separately in this supplemental information document, as well as in Section 3.10 of the WAC DEIS document. Surveys completed in 2007 by J&S identified a total of 18 intact raptor nests (12 ferruginous hawk nests, two platform nests erected for ferruginous/Swainson’s hawks, and one platform nest erected for golden eagles, and three nests that have been used by multiple raptor species) within 2 miles of the general analysis area for the South Hilight Field LBA Tract (see Figure 3-33 in the WAC DEIS for locations). Two intact nests were within the general analysis area: no intact nests were present within the LBA tract as applied for, and two intact nests (both ferruginous hawk) were within the area added by Alternative 2 and were in the same territory. No intact nests encompassed by the South Hilight Field tract’s general analysis area were active during 2007. The remaining 16 intact nests were within 2 miles of the tract’s general analysis area. Four of the 18 intact nests encompassed by the South Hilight Field tract wildlife survey area were active (eggs laid) during 2007, and all four were successful. S2-10.5 Upland Game Birds Upland game bird species that have historically been documented in the general Wright analysis area are discussed in Section S1-10.5. The historical and recently conducted sage-grouse surveys conducted by the three applicant coal mines specific to this EIS are also discussed in Section S1-10.5. Despite the prevalence of sagebrush in the combined wildlife survey areas for the North, South and West Hilight Field LBA Tracts, sage-grouse numbers were never especially high in the area. Five sage-grouse leks are located on and within 2 miles of the North, South, and West Hilight Field tracts’ general analysis areas: Stuart I, Stuart II, Black Thunder, Butch, and Hansen Lakes. No lek sites have been documented in South Hilight Field tract’s general analysis area. The former Black Thunder lek was located approximately 1 mile east of the South Hilight Field tract’s general analysis area. The Black Thunder lek was first documented in 1984, when a peak male count of 21 was recorded. Grouse numbers gradually declined over the next several years of annual monitoring, with only one bird observed at the lek in 1993. No grouse were recorded at the Black Thunder lek during annual checks conducted over the Draft EIS, Wright Area Coal Lease Applications S2-49

Supplementary Information on the Affected Environment subsequent 12 years (1994 through 2005), prior to any mine-related disturbance occurring within several miles. Due to the consistently low counts, WGFD authorized the mine to reduce searches for grouse leks in the permit area and 1-mile perimeter to every third year beginning in 2004 (i.e., 2004, 2007, etc.). That lek was classified as “unoccupied/abandoned” after 10 consecutive years of inactivity, and it was then impacted by topsoil stripping in 2007 and is now officially classified as “unoccupied/destroyed” by WGFD. Figure 3-33 in the WAC DEIS depicts where the Black Thunder lek site was located. S2-10.6 Migratory Bird Species of Management Concern in Wyoming Surveys conducted by the Black Thunder Mine for migratory birds of concern are discussed in Section S1-10.6. Thirty of the 40 listed Level I and II species have historically been observed within northeastern Wyoming (Latilong 13) and 18 species have been recorded in the vicinity of the South Hilight Field LBA Tract (Table S2-7). The USFWS considers Level I species as in need of conservation action, which includes having a monitoring and mitigation plan for those birds. The 16 Level I and II species that historically have been recorded, or are suspected of nesting in the South Hilight Field general analysis area include the Greater sage-grouse, McCown’s longspur, ferruginous hawk, Brewer’s sparrow, Swainson’s hawk, short-eared owl, burrowing owl, upland sandpiper, lark bunting, chestnutcollared longspur, sage thrasher, grasshopper sparrow, loggerhead shrike, vesper sparrow, lark sparrow, and merlin. The other non-nesting species documented less often and that have only been observed as migrants in the area include the long-billed curlew and bald eagle. Table S2-7. Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the South Hilight Field LBA Tract.
Species1 (Scientific Name) Seasonal Historical Occurrence in Status/Breeding Records in the Vicinity of the Northeastern WY1 LBA2 LEVEL I (species need conservation action) Summer/Breeder Not Expected Resident/Breeder Summer/Breeder Summer/Observed Resident/Breeder Summer/Breeder Summer/Breeder Summer/Breeder Uncommon Uncommon Not Expected Common Common Not expected Common Occurrence and Status in the LBA in 20073 None None None None Non-breeder Breeder None None

S2-50

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S2-7. Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the South Hilight Field LBA Tract (Continued).
Species1 (Scientific Name) Seasonal Historical Occurrence in Status/Breeding Records in the Vicinity of the Northeastern WY1 LBA2 LEVEL I (species need conservation action) Summer/Observed Uncommon Resident/Breeder Resident/Observed Summer/Breeder Resident/Breeder Summer/Breeder Uncommon Not expected Common Common Uncommon Occurrence and Status in the LBA in 20073 None None None None None None

Long-billed curlew (Numenius americanus) Short-eared owl (Asio flammeus) Peregrine falcon (Falco peregrinus) Burrowing owl (Athene cunicularia) Bald eagle (Haliaeetus leucocephalus) Upland sandpiper (Bartramia longicauda) Cassin’s kingbird (Tyrannus vociferans) Lark bunting (Calamospiza melanocorys) Dickcissel (Spiza americana) Chestnut-collared longspur (Calcarius ornatus) Black-chinned hummingbird (Archilochus alexandri) Pygmy nuthatch (Sitta pygmaea) Marsh wren (Cistothorus palustris) Western bluebird (Sialia mexicana) Sage thrasher (Oreoscoptes montanus) Grasshopper sparrow (Ammodramus savannarum) Bobolink (Dolichonyx oryzivorus) Common loon (Gavia immer) Black-billed cuckoo (Coccyzus erythropthalmus) Red-headed woodpecker (Melanerpes erythrocephalus) Yellow-billed cuckoo (Coccyzus americanus) Eastern screech-owl (Megascops asio) Western screech-owl (Megascops kennicottii) Western scrub-jay (Aphelocoma californica) Loggerhead shrike (Lanius ludovicianus) Vesper sparrow (Pooecetes gramineus)

LEVEL II (species need monitoring) Never Recorded Not Expected Summer/Breeder Summer/Observed Summer/Breeder Never Recorded Never Recorded Never Recorded Summer/Breeder Summer/Breeder Summer/Breeder Summer/Observed Summer/Observed Never Recorded Summer/Breeder Summer/Observed Never Recorded Never Recorded Never Recorded Summer/Breeder Summer/Breeder Common Not Expected Uncommon Not Expected Not Expected Not Expected Not Expected Uncommon Uncommon Not Expected Not Expected Not Expected Not Expected Not Expected Not Expected Not Expected Not Expected Common Common

None Breeder None None None None None None None None None None None None None None None None None Breeder

Draft EIS, Wright Area Coal Lease Applications

S2-51

Supplementary Information on the Affected Environment Table S2-7. Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the South Hilight Field LBA Tract (Continued).
Species1 (Scientific Name) Seasonal Historical Occurrence in Status/Breeding Records in the Vicinity of the Northeastern WY1 LBA2 LEVEL II (species need monitoring) Summer/Breeder Uncommon Summer/Observed Never Recorded Resident/Breeder Never Recorded Summer/Observed Not Expected Not Expected Uncommon Not Expected Not Expected Occurrence and Status in the LBA in 20073 None None None None None None

Lark sparrow (Chondestes grammacus) Ash-throated flycatcher (Myiarchus cinerascens) Bushtit (Psaltriparus minimus) Merlin (Falco columbarius) Sprague’s pipit (Anthus spragueii) Barn owl (Tyto alba)
1 2

Latilong 13 – Atlas of Birds, Mammals, Amphibians, and Reptiles in Wyoming (Cerovski et al. 2004). Historical Occurrence/Status in the South Hilight Field LBA survey area is based on records from annual monitoring conducted at the Black Thunder and Jacobs Ranch mines from 1993 through 2007. Sighting records were derived from actual occurrence on or within ½ mile of the LBA tract and the Alternative 2 tract configuration area or from observations related to Black Thunder and Jacobs Ranch mines’ baseline and annual monitoring.

S2-10.7 Other Species Refer to Section S1-10.7. S2-11 LAND USE AND RECREATION A majority (approximately 88 percent) of the surface estate on the South Hilight Field LBA Tract as applied for and the area added under Alternative 2 (the BLM study area) is owned by the U.S. Department of Agriculture and administered by the Forest Service (USFS). The balance of the tract’s BLM study area (approximately 12 percent) is privately owned. The surface ownership of the South Hilight Field tract is shown in detail on Figure 3-41 and the distribution of surface ownership is given in Table 3-14 in the WAC DEIS document. Livestock grazing is the primary land use within the BLM study area for the LBA tract, while oil and gas production, wildlife habitat, and recreation are secondary land uses. Areas of disturbance within and near the South Hilight Field tract include roads, oil and gas wells and associated production facilities, surface minerelated facilities and activities, and activities associated with ranching operations. State Highway 59, which runs north-south, is located about 6 miles west of the LBA tract, and State Highway 450, which runs east-west, is about 2 miles north of the tract. County roads that border the South Hilight Field Tract LBA Tract and provide public and private access within and near the tract include Hilight Road (County Road 52) and Reno Road (County Road 83). Several unnamed two-track roads also traverse and provide private access within and near the proposed lease area. The Burlington Northern Santa Fe & Union Pacific (BNSF & UP) railroad right-of-way (ROW) borders the western S2-52 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment edge of the LBA tract’s general analysis area (Figure 3-1 in the WAC DEIS document). The oil and gas estate within the South Hilight Field LBA Tract as applied for and the area added under Alternative 2 is federally and privately owned, with the majority (approximately 88 percent) being federally owned. The ownership of the South Hilight Field oil and gas estate is shown in the WAC DEIS document on Figure 3-47. A listing of the current federal oil and gas lessees of record is included as Table 3-16 in the WAC DEIS document. According to the Wyoming Oil and Gas Conservation Commission (WOGCC) records as of May 14, 2008, there was one conventional oil well on lands included in the South Hilight Field LBA Tract as proposed and the lands added under Alternative 2 that was producing or capable of producing and one oil well had been plugged and abandoned (refer to Figure 3-47 in the WAC DEIS document for locations). The most recent oil well in the tract’s general analysis area was drilled in 1985 (WOGCC 2008a). Conventional oil and gas wells capable of production within the BLM study area for the South Hilight Field tract are listed in Appendix E of the WAC DEIS document. According to the WOGCC records as of May 14, 2008, 10 coal bed natural gas (CBNG) wells were producing and seven CBNG wells were shut-in within the lands encompassed by the South Hilight Field LBA Tract as applied for and the lands added under Alternative 2 (refer to Figure 3-47 in the WAC DEIS document for locations). Extensive CBNG development has occurred on lands surrounding the tract as well. CBNG wells capable of production within the BLM study area for the South Hilight Field LBA Tract are listed in Appendix E of the WAC DEIS document. Refer to the discussion on mining and recreational land uses in the general Wright analysis area within Section S1-11. S2-12 CULTURAL RESOURCES The entire general analysis area for the South Hilight Field LBA Tract has been intensively surveyed at a Class III level. Cultural resource inventories in this area began in the early 1980s and continued with numerous projects associated with oil and gas field development as well as surface mining operations throughout the 1990s and 2000s. Thunder Basin Coal Company, LLC (TBCC) contracted with GCM Services, Inc., of Butte, Montana to perform Class I inventories of all previous surveys and Class III surveys of all unsurveyed areas within the general analysis area for the South Hilight Field LBA Tract. GCM completed the Class III level inventory of the tract’s general analysis area in the summer of 2007 (reports not yet accessioned by the SHPO). The 2007 survey included a total of approximately 6,840 acres within the combined general analysis areas for the North, South and West Hilight Field LBA Tracts. Draft EIS, Wright Area Coal Lease Applications S2-53

Supplementary Information on the Affected Environment A review of the Wyoming Cultural Resource Information System (WYCRIS) produced information from a total of 24 large-scale (40 acres or larger) Class III cultural resource inventory projects that have been conducted within the general analysis areas for the South and West Hilight Field tracts. Seventeen large-scale studies encompass the South Hilight Field tract and 16 studies encompass the West Hilight Field tract (many of these studies occur in both tracts). In addition, several small-scale inventories were reported in these areas. Small-scale inventories include seismic grids, well pads, access routes, utility corridors and drill holes associated with oil and gas development. These small projects were not listed in the large block inventory summary table (Table S2-8); however, any sites associated with small projects are included on the site summary table (Table S2-9). Table S2-8. Large Block Class III Cultural Resource Inventories Within the General Analysis Area for the South Hilight Field LBA Tract.
Accession No. 1 2114 Survey Organization GCM Services Location T42N, R71W, Section 1, W (all) T42N, R71W, Section 1, W T42N, R71W, Section 1, S Year 2001 Project Name West Roundup LBA

2 1794 0

Arcadis

2002

South Black Thunder POD CBM

80 2402 0

Office of the Wyoming State Archaeologist GCM Services

1980

Shell Oil North Rochelle Mine Study

96 164

T42N, R71W, Section 1, NN

1996

Mine Permit Expansion

80 2402 0

Office of the Wyoming State Archaeologist

T42N, R71W, Section 2, S

1980

Shell Oil North Rochelle Mine Study

1 2114

GCM Services

T42N, R71W, Section 2, ENE, NSE T42N, R71W, Section 2, E

2001

West Roundup LBA

2 1794 0

Arcadis

2002

South Black Thunder POD CBM

1 2274

Pronghorn Archaeological Services Greer Services

T42N, R71W, Section 2, NW T42N, R71W, Section 2, NENW

2001

Little Thunder Prospect Block

2 1794-2

2002

Black Thunder POD CBM

S2-54

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S2-8. Large Block Class III Cultural Resource Inventories Within the General Analysis Area for the South Hilight Field LBA Tract (Continued).
Accession No. 96 164 Survey Organization GCM Services Location T42N, R71W, Section 2, NENE T42N, R71W, Section 2, NWNE, SWNE T42N, R71W, Section 11, N T42N, R71W, Section 11, NNE T42N, R71W, Section 11, NESE, SSE T42N, R71W, Section 12, N T42N R71W Section 12, NENW, NNE, SENE, NESE T42N, R71W, Section 12, NN T43N, R71W, Section 23 and T43N, R71W, Section 23, NN WSWNW, WWWSW T43N, R71W, Section 23, NNW, NNE, SSW T43N, R71W, Section 23, NN, SSW T43N, R71W, Section 23, SSW, NN T43N, R71W, Section 23, SESE Year 1996 Project Name Mine Permit Expansion

99 669

Arcadis

1999

Sect. 2 Porcupine CBM Prospect

80 2402 0

Office of the Wyoming State Archaeologist GCM Services

1980

Shell Oil North Rochelle Mine Study

2 1499

2002

Big Porcupine CBM

1 2142

Pronghorn Archaeological Services Office of the Wyoming State Archaeologist GCM Services

2001

Porcupine Bock Survey

80 2402 0

1980

Shell Oil North Rochelle Mine Study

1 2114

2001

West Roundup LBA

2 1499

GCM Services

2002

Big Porcupine CBM

0 1497

Pronghorn Archaeological Services

2000

0 1541 0

GCM Services

2000

TBCC- Little Thunder Creek LBA

0 1541 3

GCM Services

2000

TBCC- Little Thunder Creek Amendment Area

2 1792 2

Greer Services

2002

Black Thunder POD CBM

82 1195

Archeological Consultants

1982

Gushner Fed 44-23

Draft EIS, Wright Area Coal Lease Applications

S2-55

Supplementary Information on the Affected Environment Table S2-8. Large Block Class III Cultural Resource Inventories Within the General Analysis Area for the South Hilight Field LBA Tract (Continued).
Accession No. 86 626 Survey Organization Metcalf Archaeological Consultants GCM Services Location T43N R71W Section 23SE, SNE T43N R71W Section 23SNW, NSW T43N, R71W, Section 26, SENE, NESE T43N, R71W, Section 26, W, WE T43N, R71W, Section 26, SE, SNE T43N, R71W, Section 26, SESE T43N, R71W, Section 26, SENW T43N, R71W, Section 35 and T43N, R71W, Section 35, SESE T43N, R71W, Section 35, W, WNE, WSE T43N, R71W, Section 35, EE T43N, R71W, Section 36, SS T43N, R71W, Section 36, WW, SESW (all) Year 1986 Project Name Black Thunder Mine Expansion

96 164

1996

Mine Permit Expansion

0 1541 3

GCM Services

2000

TBCC- Little Thunder Creek Amendment Area

6 963

GCM Services

2006

TBCC Exploration License Area

86 626

Metcalf Archaeological Consultants GCM Services

1986

Black Thunder Mine Expansion

96 164

1996

Mine Permit Expansion

0 1541 0

GCM Services

2000

TBCC- Little Thunder Creek LBA

1-2114

GCM Services

2001

West Roundup LBA

2 1792 2

Greer Services

2002

Black Thunder POD CBM

95 594

GCM Services

1995

Fiddleback Land Exchange

1-2114

GCM Services

2001

West Roundup LBA

91 28 0

Frontier

1991

West Black Thunder Maintenance Tract

S2-56

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S2-9. Cultural Resource Sites in the General Analysis Area for the South Hilight Field LBA Tract. Recorder's Affiliation Site Number NRHP Status Recommended Year
Prehistoric sites no further work 1980 OWSA no further work 1981 Arch. Services no further work 1996 GCM Services no further work 1991 Frontier Arch. no further work 1991 Frontier Arch. re-evaluate no data Pochteca Arch. no further work 2002 Arcadis U.S. no further work 1996 GCM Services no further work 1996 GCM Services no further work 1996 GCM Services no further work 1996 GCM Services no further work 1998 Pronghorn no further work no data no data request review 2003 Greer Services Historic sites 48CA658 NE no further work 1980 OWSA 48CA1157 NE no further work 1981 Arch. Services 48CA2978 NE no further work 2002 Arcadis U.S. 48CA3536 NE no further work 2000 Frontier Arch 48CA4692 U request review 2003 Greer Services 48CA4694 U request review 2006 GCM Services 48CA4695 U request review 2003 Greer Services NE = Not Eligible (with SHPO Concurrence). This site requires no further consideration. U = undetermined or no review by SHPO. Site may have a consultant and/or agency recommendation, but has either not been reviewed by SHPO or SHPO required additional information in order to make a determination. This site must be avoided until a determination is made. Re-evaluate: site is unlikely to meet eligibility requirements but inadequate data exists for SHPO determination. Request review: site is recommended not eligible by recorder, no SHPO review as yet, recommend no additional work. 48CA644 48CA1157 48CA2173 48CA2725 48CA2727 48CA2977 48CA2979 48CA3018 48CA3019 48CA3020 48CA3021 48CA3941 48CA4225 48CA4693 NE NE NE NE NE U NE NE NE NE NE NE NE U

Within the general analysis areas for the North, South and West Hilight Field tracts, a total of 147 cultural properties (sites) have been recorded. Of these, 110 sites were previously recorded and were identified during record searches. An additional 37 sites were located during the 2007 Class III inventories of the remaining unsurveyed lands. The State Historic Preservation Office (SHPO) has not made National Register of Historic Places (NRHP) eligibility determinations for these sites at this time. Some of the cultural site’s eligibility determinations are pending remote sensing (magnetometer surveys) work and formal testing. A total of 21 cultural sites have been documented in the general analysis area for the South Hilight Field tract. Of these, 14 are prehistoric and seven are Draft EIS, Wright Area Coal Lease Applications S2-57

Supplementary Information on the Affected Environment historic. Prehistoric sites consist primarily of lithic scatters and campsites. Historic sites consist primarily of trash dumps. Twelve of the prehistoric sites and four of the historic sites have been determined not eligible for the NRHP by the SHPO. Two of the prehistoric sites and three historic sites are considered unevaluated or not reviewed for eligibility by the SHPO. There are no NRHPeligible sites documented in the general analysis area for the South Hilight Field LBA Tract at this time. Table S2-9 lists the cultural sites, the site type (prehistoric or historic), the NRHP status (eligible, not eligible, or undetermined), the recommended action, and the recorder’s affiliation.

S2-58

Draft EIS, Wright Area Coal Lease Applications

SECTION 3

WEST HILIGHT FIELD LBA TRACT

Supplementary Information on the Affected Environment S3-1 TOPOGRAPHY AND PHYSIOGRAPHY The general analysis area for the West Hilight Field tract is located in the central portion of the general Wright analysis area. The LBA tract is bound by the Hilight Road and BNSF & UP railroad on the east and State Highway 450 on the north. The topography of the tract’s general analysis area, like the area within the adjacent Black Thunder and Jacobs Ranch mines’ existing permit areas, is relatively subdued. The landscape consists primarily of gently rolling terrain broken by minor drainages and internally-drained playa areas. Drainage densities are fairly low, and playas are common topographic and hydrologic features. The general analysis area for the West Hilight Field tract is drained by Little Thunder Creek and Dry Fork Little Thunder Creek, which is a tributary of North Prong Little Thunder Creek. Bater Creek, an ephemeral tributary of Dry Fork Little Thunder Creek, drains the northern portion of the general West Hilight Field analysis area. The central portion of the general West Hilight Field analysis area is located at the divide between the Little Thunder Creek and Dry Fork Little Thunder Creek drainage basins. Along this drainage divide within the general West Hilight Field analysis area is a relatively large internally-drained area; therefore, much of the general analysis area does not contribute runoff to either stream. A large playa, referred to locally as Rochelle Lake, has formed in the lowest portion of this non-contributing drainage basin. The southern portion of the general West Hilight Field analysis area is drained by Little Thunder Creek and its ephemeral tributaries. Little Thunder Reservoir, located along Little Thunder Creek, and two prominent buttes, Grey Butte and Black Butte, located southeast of the tract’ general analysis area, are notable topographic features. Elevations range from 4,757 feet to 4,850 feet within the LBA tract as applied for, from 4,747 feet to 4,990 feet within the BLM study area, and from 4,747 feet to 5,040 feet within the tract’s general analysis area. Slopes within the tract’s general analysis area range from flat, where playa areas dominate the landscape, to slightly over 18 percent in the headwater areas of the ephemeral stream courses. The slopes of the gently rolling uplands, which comprise most (about 92 percent) of the general analysis area, seldom exceed 5 percent. S3-2 GEOLOGY Stratigraphic units in the general analysis area include, in descending order, recent (Holocene age) alluvial and eolian deposits, the Eocene age Wasatch Formation (the overburden), and the Paleocene age Fort Union Formation (which contains the target coal beds). The majority of the recent surficial deposits in the general analysis area are reworked Wasatch Formation residuum or deposits that are of mixed alluvial and eolian nature. The lithologies of these unconsolidated deposits represent materials eroded locally from the Wasatch Formation and reflect relatively near-source deposition. There are thin alluvial deposits along ephemeral Draft EIS, Wright Area Coal Lease Applications S3-1

Supplementary Information on the Affected Environment streams and closed basin drainage channels. These alluvial deposits typically consist primarily of poorly to well-sorted, irregularly bedded to laminated, unconsolidated sand, silt, and clay with minor intervals of fine gravel. Eolian processes have reworked some of the surficial sands and silts, resulting in isolated deflation basins having no natural drainage. These internally-drained surface features (playas) commonly contain fine-grained sediments recently deposited from seasonal rainfall or snowmelt runoff events. The Eocene Wasatch Formation forms most of the overburden in the general analysis area. Wasatch rocks are exposed on the surface in some locations, particularly along steeper slopes formed by the more erosionally resistant strata and along the breaks or the broken land dissected by small ravines and gullies. The Wasatch overburden consists of interbedded, lenticular sands/sandstones, silts/siltstones, clays and shales with thin discontinuous coal seams. Typically, units are gradational mixtures of these sediments. There is no distinct boundary between the Wasatch Formation and the underlying Paleocene Fort Union Formation. From a practical standpoint, however, the top of the mineable coal zone is considered as the contact between the two formations. There are two coal seams (referred to as Upper and Middle Wyodak) in the West Hilight Field LBA Tract as applied for and as configured under Alternative 2 (the BLM study area). The Upper and Middle seams are separated by interburden (siltstones and shales) of variable thickness, but averages approximately 32 feet. Due to quality issues, the Upper Wyodak may not be recovered. The upper coal seam within the study area averages approximately 6 feet, and the main coal seam within the study area averages approximately 87 feet, representing a cumulative coal depth of 93 feet. Table S3-1 presents the average thickness of the overburden, interburden, and the coal seams for the West Hilight Field LBA Tract. Figures S3-1 and S3-2 depict three geologic cross sections (one north-south and two east-west) drawn through the LBA tract’s BLM study area. Table S3-1. Average Overburden and Coal Thicknesses in the West Hilight Field LBA Tract. Mining Unit Proposed Action (ft) Alternative 2 (ft) Overburden 428.0 428.0 Coal 93.0 93.0 Interburden 32.0 32.0 The Fort Union coal seams are subbituminous and are generally low-sulfur, low-ash coals. Typically, the coal being mined in the PRB has a lower heating value and higher sulfur content north of Gillette than south of Gillette. According to the analyses (which were done on an as-received basis) of exploration drilling samples collected in the West Hilight Field LBA Tract as applied for and the area added under Alternative 2, the average heating value of the coal is approximately 8,800 British thermal units per pound (Btu/lb), S3-2 Draft EIS, Wright Area Coal Lease Applications

R. 71 W.

LEGEND
22 23

19 21

Existing Black Thunder Mine Federal Coal Leases West Hilight Field LBA Tract as Applied for

30 28 27 26

West Hilight Field LBA Tract Under Alternative 2, BLM's Preferred Alternative West Hilight Field LBA Tract Under Alternative 3 GEOLOGY Interbedded Sand, Sandstone, Siltstone, Claystone and Shale Upper Wyodak Coal Middle Wyodak Coal

T. 44 N.
33 34 35 44

T. N.

T. 43 N.
4

A
10 11

3 2

T. 43 N.

7 9

18 16 15

B' 14

LBA and BLM Study Area Boundary

Section B-B'

BLM Study Area Boundary

Little Thunder Creek

Section C-C'

Figure S3-1. Geologic Cross Sections for the West Hilight Field LBA Tract.
21 22 23

4900
33 34 35

BLM Study Area Boundary

C' 26
5050

LBA and BLM Study Area Boundary

Draft EIS, Wright Area Coal Lease Applications
28

C 29 A

5050 4900 4750
Upper Wyodak

4750 4600

6 4

R. 71 W. 4450 4300

A'
3 2

4600 4450 4300
Middle Wyodak

CROSS SECTION LOCATION MAP
4150 0

SCALE: 1" = 10,000'

4150 3000 6000 9000 12000

SECTION A-A'

15000

18000

21000
SCALE: HORZ. 1" = 6,000', VERT. 1"=600'

Supplementary Information on the Affected Environment

24000

27000

30000

33000

S3-3

Section A-A'

31 33 34 35 44

T. N. GEOLOGY 4600
Upper Wyodak

West Hilight Field LBA Tract Under Alternative 2, BLM's Preferred Alternative 5050 4900 4750 West Hilight Field LBA Tract Under Alternative 3

Black Butte Draw BLM Study Area Boundary

Briggs Draw

BLM Study Area Boundary

LBA and BLM Study Area Boundary

Section A-A'

BLM Study Area Boundary

Figure S3-2. Geologic Cross Sections for the West Hilight Field LBA Tract.

BLM Study Area Boundary

S3-4
21 22 23

R. 71 W.

LEGEND
Existing Black Thunder Mine Federal Coal Leases West Hilight Field LBA Tract as Applied for

30 28 27 26

5050 4900 4750 4600 4450 4300

T. 44 N.

6 4

T. 43 N.

A
Upper Wyodak Coal 4300 4150 0 3000
Middle Wyodak
10 11

3 2

T. 43 N. Interbedded Sand, Sandstone, Siltstone, Claystone and Shale 4450

7 9

B
Middle Wyodak Coal

4150

18 16 15

B' 14

SECTION C-C'

6000

9000

12000

15000

SCALE: HORZ. 1" = 6,000', VERT. 1"=600'

19 21 22 23

30 28 27

C 29 C' 26
5050 4900
33 34 35

Supplementary Information on the Affected Environment

5050 4900 4750
Upper Wyodak

4750 4600 4450 4300 4150 0 3000 6000
Middle Wyodak

6 4

R. 71 W.

A'
3 2

4600 4450 4300 4150

CROSS SECTION LOCATION MAP

SCALE: 1" = 10,000'

SECTION B-B'

9000

12000

15000
SCALE: HORZ. 1" = 6,000', VERT. 1"=600'

Draft EIS, Wright Area Coal Lease Applications

18000

Supplementary Information on the Affected Environment with an average of less than 0.6 percent sulfur, 5.4 percent ash, and 27.2 percent moisture. S3-3 PALEONTOLOGY Paleontological surveys were conducted in conjunction with the cultural resources inventories of the general analysis area for the West Hilight Field LBA Tract. Professional archeologists, in effort to locate unique pockets of fossilized bone such as those reported elsewhere in the Wasatch Formation in the PRB, closely examined outcrop localities during their intensive pedestrian surveys for cultural resources. Such concentrations of fossilized bone or fossil vertebrates were not found in any exposures of the Wasatch Formation. Fossilized leaves, wood, and gastropods are common and can be found at many unrecorded locations, particularly in association with coal outcrops. Due to the ubiquitous nature of the fossilized plant (tree) remains and gastropod fragments in the Wasatch Formation within the PRB, the recording of fossil locations was limited to unique finds. No outcrop localities produced exceptional examples and no unique finds were located within the LBA tract’s general analysis area. S3-4 AIR QUALITY S3-4.1 Existing Emission Sources In the vicinity of the West Hilight Field LBA Tract, the main sources of air pollution are surface coal mining activities, vehicular traffic, railroad traffic, and various sources associated with oil and gas production and farming and ranching activities. The closest existing coal-fired power plants to the LBA tract are the Dave Johnston plant (approximately 54 miles south-southwest) and the Wyodak Complex (approximately 53 miles north), which consists of the 90-Mw WyGen No. 1, the 335-Mw Wyodak No. 1, the 21.8-Mw Neil Simpson No. 1, the 80-Mw Neil Simpson No. 2, and two 40-Mw natural gas-fired power plants. S3-4.2 Proposed Emission Sources All of the currently proposed emission sources in the eastern PRB are discussed in Chapter 4 of the WAC DEIS document. There are currently 12 pending LBA applications, including the West Hilight Field tract. Table S3-2 provides the approximate distances from the West Hilight Field tract to each of the other 11 pending LBA tracts.

Draft EIS, Wright Area Coal Lease Applications

S3-5

Supplementary Information on the Affected Environment Table S3-2. Distances to Pending LBA Tracts. LBA Tract Hay Creek II Caballo West Belle Ayr North West Coal Creek Maysdorf II West Jacobs Ranch South Hilight Field North Hilight Field North Porcupine South Porcupine West Antelope II Adjacent Mine Buckskin Caballo Belle Ayr Coal Creek Cordero Rojo Jacobs Ranch Black Thunder Black Thunder North Antelope Rochelle North Antelope Rochelle Antelope Distance from West Hilight Field 52 miles northwest 27 miles north 27 miles north 14 miles north 17 miles north Proximate Proximate 2 miles north 3 miles south 6 miles south 8 miles south

S3-4.3 Historical Ambient Air Quality: Particulate Emissions Refer to the discussions on historical particulate emission producing activities, monitoring results, and control measures at the Black Thunder Mine in Section S1-4.3. S3-4.4 Historical Ambient Air Quality: NO2 Emissions Refer to the discussions on historical NO2 emission producing activities, monitoring results, and control measures at the Black Thunder Mine in Section S1-4.4. S3-5 WATER RESOURCES West Hilight Field LBA Tract is adjacent to the Black Thunder Mine’s existing permit area; therefore, both the regional and site-specific baseline water resources around and within the West Hilight Field LBA Tract are extensively characterized in the mine’s Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD) mine permit (TBCC 2005). The following analysis is based largely on those findings. S3-5.1 Groundwater The West Hilight Field LBA Tract overlies three geologic water-bearing strata that have been or would be directly affected by mining. In descending order, these units are the recent alluvial deposits, the Wasatch Formation overburden, and the Fort Union Formation Wyodak coal seam that will be mined. The underlying, subcoal Fort Union Formation is utilized for industrial water supply at the nearby coal mines, but this unit is not physically disturbed S3-6 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment by mining activities. Baseline hydrogeologic conditions within and around the Black Thunder Mine are characterized in the WDEQ/LQD mine permit (TBCC 2005), and ongoing groundwater monitoring data (depth to water and water quality) are included in the mine permit and annual reports. Black Thunder Mine’s current groundwater monitoring program is addressed in their 2007 WDEQ Annual Report (TBCC 2007), and Figure 3-20 in the Wright Area Coal Leases Draft EIS (WAC DEIS) depicts the locations of the currently active monitoring wells. Recent Alluvium The West Hilight Field LBA Tract is within the Little Thunder Creek watershed. Recent alluvial deposits associated with surface drainages within the tract’s general analysis area are generally very thin and not laterally extensive enough to be considered aquifers. In addition, these unconsolidated deposits are typically very fine-grained and have very limited permeabilities, precluding any significant storage and movement of groundwater (TBCC 2005). Mapping of the area’s surficial geology (Reheis and Coates 1987, Moore and Coates 1978, Coates 1978a) shows that alluvial deposits within the LBA tract’s general analysis area occur only along the channels of Little Thunder Creek and its tributary, Black Butte Draw (Figure S3-3), and these materials are comprised of stream-channel and overbank deposits. No aquifer tests on valley fill deposits have been documented in the Black Thunder Mine permit area due to the minimal saturated thickness and low transmissivity of the deposits. Hydrologic properties of the stream laid deposits are variable throughout the permit area due to variable depositional environments. Based on the comparison of soil texture and type with permeability values presented in the literature (Cedergren 1977), the average hydraulic conductivity for the valley fill streamlaid deposits and colluvium is estimated to range from 0.2 to 20 feet per day (ft/day). The specific yield of the streamlaid deposits and colluvium, as determined through laboratory analysis, was an overall transmissivity of 7x10-2 to 7x10-5 gallons per day per square foot (gpd/ft2) (TBCC 2005). Alluvial groundwater in this area is of poor quality and highly variable spatially. Available water quality data indicates alluvial groundwater from the valleys of Little Thunder Creek and North Prong Little Thunder Creek generally does not meet all of the WDEQ/WQD Standards (WDEQ/WQD 2009) for domestic and agricultural uses due to high total dissolved solids (TDS), sulfate and/or manganese concentrations. Ten monitoring wells installed to characterize alluvium at Black Thunder Mine exhibit an average TDS concentration of about 1,600 milligrams per liter (mg/L), which indicates the water is suitable for agricultural and livestock use. However, alluvial groundwater from monitoring wells BTA-24e and BTA-25 (refer to Figure 3-20 in the WAC DEIS for well locations) is not considered suitable for livestock use, as well as domestic and agricultural use (TBCC 2007).

Draft EIS, Wright Area Coal Lease Applications

S3-7

Supplementary Information on the Affected Environment
LEGEND
24

en ing Sp r w Dra

l Schoo Se ction Draw

Pr on g

Small
26

Road
25

Black Thunder Mine Permit Boundary West Hilight Field LBA Tract as Applied for West Hilight Field LBA Tract Under Alternative 2, BLM's Preferred Alternative West Hilight Field LBA Tract Under Alternative 3 Ephemeral Stream Channel Approximate Extent of Stream-channel and Overbank Alluvial Deposits

N orth

Li e ttl

und Th er

re ek

T. 44 N. T. 43 N.

Dry

Fo rk

L ittle

T. 44 N. T. 43 N.

Alluvial deposits mapped by USGS (Moore and Coates 1978, Coates 1978a) and Jacobs Ranch Coal Company.
0 3000 6000 12000

un de r

Cr e

GRAPHIC SCALE (FEET) R. 71 W. R. 70 W.
1 6 5

ek
3 2

State Highway 450

e ALLUVIAL DEPOSITS CONTINUE DOWNSTREAM

ttl

Cr ee k

L ittle

Thu nde r

Cr ee k

Lit tle

aw Dr

un de r

Butte

Sh ip ley
Th und er
17 20

Dra w

Pron g

Cre
29

Bla

Road

BNSF & UP RR

Dr aw

T. 43 N. T. 42 N.

Hilight

re y

Olso n

Matheson Road

Draw
5 4 3 2 5

Edwards

Road

Reno Road

R. 71 W. R. 70 W.

Figure S3-3. Stream Laid Deposits Within and Adjacent to the West Hilight Field LBA Tract.

S3-8

Draft EIS, Wright Area Coal Lease Applications

Dr aw

Dra w

rth No

an or

Brater

Br igg s

w Dra

r Trussle
Cre ek

T. 43 N. T. 42 N.

Supplementary Information on the Affected Environment Wasatch Formation No significant differences in the physical and water-bearing characteristics of the Wasatch Formation strata (overburden) within the North Hilight Field and West Hilight Field LBA Tract’s general analysis areas are known to exist. Therefore, refer to the Wasatch Formation discussion in Section S1-5.1. Wyodak Coal With the exception of the coal seam’s average thickness (93 feet thick in the West Hilight Field tract verses 61 feet thick in the North Hilight Field tract), no significant differences in the physical and water-bearing characteristics of the Wyodak coal aquifer within the North Hilight Field and West Hilight Field LBA Tract’s general analysis areas are known to exist. Therefore, refer to the Wyodak Coal discussion in Section S1-5.1. Subcoal Fort Union Formation Refer to the discussion on the subcoal Fort Union Formation that is used for industrial water supply at many PRB surface coal mines, including the Black Thunder Mine, in Section S1-5.1. S3-5.2 Surface Water The Black Thunder Mine site is situated near the eastern margin of the PRB, which is a broad structural trough that lies between the Big Horn Mountains and the Black Hills. The PRB is drained by three separate drainage systems: the Powder/Little Powder, the Cheyenne, and the Belle Fourche rivers. The Black Thunder Mine and West Hilight Field LBA Tract lie within the Little Thunder Creek watershed, which is a tributary of Black Thunder Creek, which is a tributary of the Cheyenne River. The topography of the Cheyenne River drainage basin is typified by broad, flat, inter-stream uplands and a wide, level expanse of eastward-sloping plains broken by a few isolated buttes. Little Thunder Creek flows from west to east through the mine’s permit area and empties into Black Thunder Creek approximately 25 miles east-southeast of the West Hilight Field LBA Tract. The total drainage for Little Thunder Creek is approximately 127 square miles, and the mainstream channel is about 26 miles long. The Little Thunder Creek watershed has a dendritic drainage pattern with an approximate width (north-south) of 11.7 miles and an approximate length (east-west) of 15.3 miles. The relief of Little Thunder Creek’s drainage basin is 490 feet from its headwaters to its confluence with Black Thunder Creek. The Black Thunder Mine disturbs several drainages within the Little Thunder Creek watershed and Little Thunder Creek is currently diverted by the mining operation. The Black Thunder Mine is currently permitted to disturb approximately 4 percent of the Little Thunder Creek drainage basin. The entire Draft EIS, Wright Area Coal Lease Applications S3-9

Supplementary Information on the Affected Environment Little Thunder Creek drainage basin was extensively studied by TBCC and the results of that study are included in the Black Thunder Mine permit (TBCC 2005). The West Hilight Field LBA Tract is adjacent to the mine’s existing permit area. Little Thunder Creek and its tributaries drain most of the LBA tract’s general analysis area. Dry Fork Little Thunder Creek, a second order, southeast-flowing ephemeral tributary of North Prong Little Thunder Creek, drains the northern-most portion of the LBA tract. The north-central portion of the LBA tract does not contribute runoff to any stream and drains to natural topographic depressions. The southern portion of the LBA tract’s general analysis area is drained by Little Thunder Creek and its tributary, Briggs Draw. A short reach of the Little Thunder Creek channel crosses the central portion of the LBA tract’s general analysis area. Figure 3-29 in the WAC DEIS depicts the surface water features within and adjacent to the West Hilight Field LBA Tract. The topography of the West Hilight Field LBA Tract, like the area within the mine’s existing permit area, is essentially subdued and drainage densities are fairly low and internally-drained playas are common topographic and hydrologic features. A large portion of the general analysis area for the LBA tract does not contribute runoff to any stream and a number of playas (the largest of which is called Rochelle Lake) have formed in the lowest portion of this non-contributing drainage area. This area, being within the Little Thunder Creek watershed and adjacent to the mine’s permit area, was studied in the evaluation of the Little Thunder Creek drainage basin. The contributing drainage area for this internally-drained basin is roughly 3,560 acres. The hydrologic characteristics of these drainages were quantified and are included in Black Thunder Mine’s permit (TBCC 2005). Near the headwaters of Brater Draw, the stream channel elevation is about 4,790 feet. Total topographic relief in the stream’s drainage basin is 90 feet, the channel thalweg length is about 2.43 miles, and the average channel gradient is 0.0070. The channel elevation is about 4,789 feet where it enters the LBA tract and approximately 4,705 feet where it leaves the LBA tract (TBCC 2005). Brater Draw has a total drainage area of approximately 1.71 square miles. Brater Draw drains about 29 percent of the general analysis area for West Hilight Field LBA Tract. Little Thunder Creek drains about 24 percent of the tract’s general analysis area. The non-contributing, internally-drained area covers the balance (47 percent) of the LBA tract’s general analysis area. The northwest-flowing Briggs Draw has a drainage area of approximately 6.8 square miles with a topographic relief of 206 feet and a thalweg length of 5.95 miles. All streams within and adjacent to the LBA tract are typical for the region, in that flow events are ephemeral. Stream runoff is typically of short duration and exhibits temporal patterns similar to precipitation events. All ephemeral streams in the region show the characteristic extreme low-flow period from October through January. Flow events frequently result from snowmelt during the late winter and early spring. Although peak discharges from such events are generally small, the duration and therefore the percentage of annual runoff S3-10 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment volume can be considerable. During the spring, general storms (both rain and snow) are more frequent; hence increasing soil moisture and decreasing infiltration capacity, and subsequent rainstorms can result in higher runoff volumes and peak discharges. Black Thunder Mine has not monitored the streamflow on the Dry Fork Little Thunder Creek or Little Thunder Creek in this area. Hydrographs generated using data collected from the gaging stations located on North Prong of Little Thunder Creek and Little Thunder Creek downstream of the West Hilight Field LBA Tract exhibit infrequent streamflow events of very low magnitude (less than 5 cubic feet per second). Each stream flow event is separated by periods of no flow ranging in duration from 3 days to 20 months with an average length of 8 months. Presently, 10 reservoirs are located in the West Hilight Field LBA Tract as applied for, and an additional six reservoirs are located on lands added by the BLM study area. These impoundments have served to capture most of the streamflow, causing pronounced stream channel aggradation to the point at which it is difficult in places to distinguish the active channel from abandoned channel scars. The channel floor and banks are vegetated, no active erosion is evident, and the channel profile is irregular indicating the reduced streamflow cannot maintain its former gradient prior to the construction of the stock ponds. Due to the relatively small drainage area and the storage capacity of the impoundments, streamflow events are limited and heavily regulated (TBCC 2005). Little Thunder Creek is listed in the WDEQ/WQD Surface Water Classification List as a Class 3B stream that is not known to support fish populations or drinking water supplies. Class 3B waters are intermittent or ephemeral streams with sufficient water present to normally support aquatic life including invertebrates, amphibians, or other flora and fauna at some stage of their life cycles. Class 3B waters are also characterized by frequent linear wetlands or impoundments over its entire length (WDEQ/WQD 2009). Due to the lack of natural streamflow in Dry Fork Little Thunder Creek and Briggs Draw, flowing water quality samples have not been collected from the streams. Surface water samples have however been collected from Little Thunder Creek and North Prong Little Thunder Creek at Black Thunder Mine’s monitoring sites, shown on Figure 3-29 in the WAC DEIS. Insufficient data and the ephemeral flows prevent the identification of seasonal trends; however, TDS values generally range from about 300 mg/L to 5,000 mg/L, and the water type is a sodium sulfate. The streamflow and water quality in North Prong Little Thunder Creek and Little Thunder Creek are currently being monitored by the Black Thunder Mine at sites located upstream and downstream of the mine operation and the data are being reported to the WDEQ/LQD in the mine’s annual reports.

Draft EIS, Wright Area Coal Lease Applications

S3-11

Supplementary Information on the Affected Environment S3-5.3 Water Rights The Wyoming State Engineer’s Office (SEO) administers water rights in Wyoming. Water rights are granted for both groundwater and surface water appropriations. Prior to development of water resources associated with energy development, water appropriations (either groundwater or surface water) in the PRB were typically for livestock use. Records of the SEO have been searched for groundwater rights within a 3-mile radius of the BLM study area for the West Hilight Field LBA Tract. This information is required for WDEQ permitting. The summary of the most recent search is provided below. Currently, mining companies and coal bed natural gas (CBNG) development companies hold the majority of the water rights in the search area. A more detailed listing of the non-coal mine related groundwater rights within a 3-mile radius of the LBA tract is presented in Table S3-3. For the West Hilight Field LBA Tract, SEO data indicate that, as of October 8, 2007, there were 1,011 permitted water wells within 3 miles of the tract, of which, 149 wells are owned by coal mining companies. The other 862 non-coal mine related, permitted water wells, which include 750 wells permitted for uses related to CBNG development, are permitted for the following uses:
     

750 CBNG 69 livestock 20 domestic 19 monitoring 1 miscellaneous 3 municipal

SEO records have been searched for surface water rights within a 3-mile radius of the BLM study area for the West Hilight Field LBA Tract. Like the groundwater rights, this information is also required for WDEQ permitting. A summary of the most recent search is provided below. A more detailed listing of the non-coal mine related surface water rights is presented in Table S3-4. For the West Hilight Field LBA Tract, SEO records indicate that as of October 9, 2007, there were 141 permitted surface water rights within 3 miles of the tract, of which 36 are owned by coal mining companies. The other 105 noncoal mine related, permitted surface water rights are permitted for the following uses:
  

3 irrigation 19 livestock 83 not designated

S3-12

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract.
Permit No.
P5859P P85872W P157822W P157823W P171649W P171650W P172657W P12757P P44327W P146425W

Priority
12/31/1970 8/20/1991 4/9/2004 4/9/2004 2/14/2005 2/14/2005 1/12/2006 12/30/1950 7/20/1978 8/5/2002

TNS
42 42 42 42 42 42 42 42 42 42

RNG
70 70 70 70 70 70 71 71 71 71

SEC
6 6 7 7 7 7 1 2 2 2

QQ
SWSW SWSW SWNW NENW NESW SWSW SWNE NENW NWSW SWNW

Applicant
RENO LIVESTOCK CORPORATION THUNDER BASIN COAL CO., LLC BILL BARRETT CORPORATION BILL BARRETT CORPORATION YATES PETROLEUM CORP. YATES PETROLEUM CORP. TRITON COAL COMPANY, LLC- NORTH ROCHELLE USDA FOREST SERVICE USDA FOREST SERVICE US FOREST SERVICE THUNDER BASIN NATIONAL GRASSLANDS** LANCE OIL & GAS COMPANY, INC US FOREST SERVICE THUNDER BASIN NATIONAL GRASSLANDS** LANCE OIL & GAS COMPANY, INC US FOREST SERVICE THUNDER BASIN NATIONAL GRASSLANDS** LANCE OIL & GAS COMPANY, INC US FOREST SERVICE THUNDER BASIN NATIONAL GRASSLANDS** LANCE OIL & GAS COMPANY, INC BRIDLE BIT RANCH CO. WEST ROUNDUP RESOURCES INC. COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY

Facility Name
HEARTSPEAR 5 BTR-160 TRITON COAL 12-7-4270 TRITON COAL 21-7-4270 THUNDER BASIN CS FEDERAL #04 THUNDER BASIN CS FEDERAL #06 1/7/2005 REVLAND #TB 35 MARG #2 PORCUPINE FEDERAL #12-2

Status
GST GST GSI GSI GST GST GST GST GST GSI

Uses
STO MON CBM CBM STO,CBM,MIS STO,CBM,MIS MON STO STO STO,CBM

Yld
2 0

TD
-1 425

200 200 0 4 3

442 485 305 165 373

P146426W

8/5/2002

SWSW

PORCUPINE FEDERAL #14-2

GSI

STO,CBM

P146427W

8/5/2002

NENW

PORCUPINE FEDERAL #21-2

GSI

STO,CBM

P146428W

8/5/2002

NESW

PORCUPINE FEDERAL #23-2

GSI

STO,CBM

P101801W P167584W P145445W P145446W P145447W P145448W P150791W P150797W P150801W P150808W P145115W P145116W P145117W P145118W P145119W P145120W P145121W P145144W P163380W P163381W P163382W P163383W P163384W P163385W P163386W P164544W

3/20/1996 5/19/2005 7/10/2002 7/10/2002 7/10/2002 7/10/2002 4/4/2003 4/4/2003 4/4/2003 4/4/2003 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 12/20/2004

42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4

NESW SESE SWNW SWSW NENW NESW SWNE SWSE NENE NESE SWSW NENW NESW SWNE SWSE NENE NESE SWNW SWNW SWSW NENW NESW SWNE SWSE NENE NESE

BBRC BLACK BUTTE #1 SC-3-0 BRIDLE BIT RANCH #3-12 BRIDLE BIT RANCH #3-14 BRIDLE BIT RANCH #3-21 BRIDLE BIT RANCH #3-23 PORCUPINE CBM 32-3-4271 PORCUPINE CBM 32-3-4271 PORCUPINE CBM 41-3-4271 PORCUPINE CBM 43-3-4271 PORCUPINE FEDERAL #14-4-4271 PORCUPINE FEDERAL #21-4-4271 PORCUPINE FEDERAL #23-4-4271 PORCUPINE FEDERAL #32-4-4271 PORCUPINE FEDERAL #34-4-4271 PORCUPINE FEDERAL #41-4-4271 PORCUPINE FEDERAL #43-4-4271 PORCUPINE FEDERAL #12-4-4271 PORCUPINE FED 12-04-4271 PORCUPINE FED 14-04-4271 PORCUPINE FED 21-04-4271 PORCUPINE FED 23-04-4271 PORCUPINE FED 32-04-4271 PORCUPINE FED 34-04-4271 PORCUPINE FED 41-04-4271 PORCUPINE FEDERAL 43-04-4271

GST GSI GST GST GST GST GST GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST GST GST GST GST GST

STO MON STO,CBM,RES STO,CBM STO,CBM STO,CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM

20 12 20 7 20 16 16 16 16

264 638 615 541 584 555 580 500 584

25 20 12 20 12 20 12 20

689 629 673 652.5 719 640.75 708 683

Draft EIS, Wright Area Coal Lease Applications

S3-13

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P145122W P145123W P150784W P150788W P150792W P150798W P150802W P163387W P164545W P150793W P150799W P150803W P163416W P163417W P163418W P163419W P123474W P123475W P123476W P123477W P123478W P123482W P123483W P150804W P150943W P150944W P150947W P150948W P150949W P153916W P145124W P145125W P145126W P150785W P150787W P150794W P150805W P150809W P160710W P160711W P161326W P145127W P145128W P145129W P145130W P145131W

Priority
5/20/2002 5/20/2002 4/4/2003 4/4/2003 4/4/2003 4/4/2003 4/4/2003 10/19/2004 12/20/2004 4/4/2003 4/4/2003 4/4/2003 10/25/2004 10/25/2004 10/25/2004 10/25/2004 2/22/2000 2/22/2000 2/22/2000 2/22/2000 2/22/2000 2/22/2000 2/22/2000 4/4/2003 4/18/2003 4/18/2003 4/18/2003 4/18/2003 4/18/2003 8/25/2003 5/20/2002 5/20/2002 5/20/2002 4/4/2003 4/4/2003 4/4/2003 4/4/2003 4/4/2003 7/2/2004 7/2/2004 8/3/2004 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002

TNS
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7 8 8 8 8 8 8 8 8 8 8 8 9 9 9 9 9

QQ
NESW NESE SWNW NENW SWNE SWSE NENE NESE NESW SWNE SWSE NENE SWSW NESW SWNW NENW SWNE NWNW SWNW SENW NESW NWSE SWSE NENE SWSE NWSE SWNW NWNW SWNE NESE NENW NESW SWSE SWNW SWSW SWNE NENE NESE NENW NESW SWSE SWNW SWSW NENW NESW SWNE

Applicant
MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS DEVON ENERGY PRODUCTION COMPANY, L.P.**JERRY J. - DILTS, ET AL DILTS DEVON ENERGY PRODUCTION COMPANY, L.P.**JERRY J. - DILTS, ET AL DILTS DEVON ENERGY PRODUCTION COMPANY, L.P.**JERRY J. - DILTS, ET AL DILTS DEVON ENERGY PRODUCTION COMPANY, L.P.**JERRY J. - DILTS, ET AL DILTS PRIMA OIL/GAS COMPANY PRIMA OIL/GAS COMPANY PRIMA OIL/GAS COMPANY PRIMA OIL/GAS COMPANY PETRO-CANADA RESOURCES (INC) PRIMA OIL/GAS COMPANY PRIMA OIL/GAS COMPANY MERIT ENERGY COMPANY**JERRY DILTS PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PETRO-CANADA RESOURCES (INC) MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY

Facility Name
PORCUPINE FEDERAL #23-5-4271 PORCUPINE FEDERAL #43-5-4271 PORCUPINE CBM 12-5-4271 PORCUPINE CBM 21-5-4271 PORCUPINE CBM 32-5-4271 PORCUPINE CBM 34-5-4271 PORCUPINE CBM 41-5-4271 PORCUPINE FED 43-05-4271 PORCUPINE FED 23-05-4271 PORCUPINE CBM 32-6-4271 PORCUPINE CBM 34-6-4271 PORCUPINE CBM 41-6-4271 DILTS FEDERAL 6W-13 DILTS FEDERAL 6W-11 DILTS FEDERAL 6W-5 DILTS FEDERAL 6W-3 DILTS 4271-7-13UW DILTS 4271-7-22 UW DILTS 4271-7-23 UW DILTS 4871-7-24 UW PORCUPINE-TUIT #7-31 DILTS 4271-7-42 UW DILTS 4271-7-43 UW PORCUPINE CBM 41-7-4271 ENL DILTS 4271-7-43UW ENL DILTS 4271-7-42UW ENL DILTS 4271-7-23UW ENL DILTS 4271-7-22UW. ENL DILTS 4271-7-13UW. DILTS 4271-7-41UW PORCUPINE FEDERAL #21-8-4271 PORCUPINE FEDERAL #23-8-4271 PORCUPINE FEDERAL #34-8-4271 PORCUPINE CBM 12-8-4271 PORCUPINE CBM 14-8-4271 PORCUPINE CBM 32-8-4271 PORCUPINE CBM 41-8-4271 PORCUPINE CBM 43-8-4271 PORCUPINE FEDERAL 21-8-4271 PORCUPINE FEDERAL 23-8-4271 PORCUPINE FED 34-8-4271 PORCUPINE FEDERAL #12-9-4271 PORCUPINE FEDERAL #14-9-4271 PORCUPINE FEDERAL #21-9-4271 PORCUPINE FEDERAL #23-9-4271 PORCUPINE FEDERAL #32-9-4271

Status
GSI GSI GST GST GST GST GST GST GSI GST GST GST GST GST GST GST GST GST GST GST GSE GST GST GSI GST GST GST GST GST GSE GSI GSI GSI GST GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GSI

Uses
CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM

Yld

25 16 16 16 16 12 25 25 25 25 25 25 25 25 25 25 25 25 25 8 8 8 8 8

718 749 670 598 77 649 678 641 701 645 668 711 652 582 618 583 580 607 594 594 607 583 618 582

16 25 16 16

588 624 594 651

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P145132W P145133W P145134W P163388W P163389W P163390W P163391W P163392W P163393W P163394W P163395W P98861W P149566W

Priority
5/20/2002 5/20/2002 5/20/2002 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 4/21/1995 1/13/2003

TNS
42 42 42 42 42 42 42 42 42 42 42 42 42

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
9 9 9 9 9 9 9 9 9 9 9 10 10

QQ
SWSE NENE NESE SWNW SWSW NENW NESW SWNE SWSE NENE NESE NWNE SWSW

Applicant
MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY JERRY DILTS WY STATE BOARD OF LAND COMMISSIONERS** MERIT ENERGY COMPANY MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS MERIT ENERGY COMPANY**JERRY DILTS USDA FOREST SERVICE MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY BILL BARRETT CORPORATION BILL BARRETT CORPORATION MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY MERIT ENERGY COMPANY USDA FOREST SERVICE MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS

Facility Name
PORCUPINE FEDERAL #34-9-4271 PORCUPINE FEDERAL #41-9-4271 PORCUPINE FEDERAL #43-9-4271 PORCUPINE FED 12-09-4271 PORCUPINE FED 14-09-4271 PORCUPINE FED 21-09-4271 PORCUPINE FED 23-09-4271 PORCUPINE FED 32-09-4271 PORCUPINE FED 34-09-4271 PORCUPINE FED 41-09-4271 PORCUPINE FED 43-09-4271 BBRC BIRDSALL #1 PORCUPINE CBM 14-10-4271

Status
GSI GSI GSI GST GST GST GST GST GST GST GST GST GST

Uses
CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO CBM

Yld

20 20 20 20 20 20 20 20 20 16

646 608 588 628 563 571 600 539 380 561

P150786W P150789W P150795W P150800W P150806W P150810W P32145W P145102W P145107W P145108W P145109W P145110W P145111W P145112W P145113W P160430W P160431W P161327W P161328W P161329W P161330W P164546W P164547W P8987P P145105W P145106W

4/4/2003 4/4/2003 4/4/2003 4/4/2003 4/4/2003 4/4/2003 2/10/1976 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 7/2/2004 7/2/2004 8/3/2004 8/3/2004 8/3/2004 8/3/2004 12/20/2004 12/20/2004 7/13/1961 5/20/2002 5/20/2002

42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

10 10 10 10 10 10 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 12 12 12

SWNW NENW SWNE SWSE NENE NESE SWNE SWSW NESE SWSE NESW SWNE NENW SWNW NENE SWNE NENE SWSW NESW SWSE NESE SWNW NENW SESE SWSW SWNW

PORCUPINE CBM 12-10-4271 PORCUPINE CBM 21-10-4271 PORCUPINE CBM 32-10-4271 PORCUPINE CBM 34-10-4271 PORCUPINE CBM 41-10-4271 PORCUPINE CBM 43-10-4271 STUART #T.B. 174 PORCUPINE FEDERAL #14-11-4271 PORCUPINE FEDERAL #43-11-4271 PORCUPINE FEDERAL #34-11-4271 PORCUPINE FEDERAL #23-11-4271 PORCUPINE FEDERAL #32-11-4271 PORCUPINE FEDERAL #21-11-4271 PORCUPINE FEDERAL #12-11-4271 PORCUPINE FEDERAL #41-11-4271 PORK NW FEDERAL 32-11-4271 PORK NW FEDERAL 41-11-4271 PORCUPINE FED 14-11-4271 PORCUPINE FED 23-11-4271 PORCUPINE FED 34-11-4271 PORCUPINE FED 43-11-4271 PORCUPINE FED 12-11-4271 PORCUPINE FED 21-11-4271 STUART #T B 115 PORCUPINE FEDERAL #14-15-4271 PORCUPINE FEDERAL #12-15-4271

GST GST GSI GST GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GST GST GSI GST GST GST GST GST GST GSI GSI

CBM CBM CBM CBM CBM CBM STO CBM CBM CBM CBM CBM CBM CBM CBM CBM,MIS CBM,MIS CBM CBM CBM CBM CBM CBM STO CBM CBM

16 16 16 16 16 10

528 553 511 581 520 380

7 7

610 610

25 25 25 12 12 4

597 593 625 579 572 172

Draft EIS, Wright Area Coal Lease Applications

S3-15

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P160432W P160433W P160434W P160435W P12755P P160436W P160438W P162374W P162375W P162377W P171779W P167582W P149562W P149563W P149564W P149565W P150790W P150796W P150807W P160439W P160440W P160441W P160442W P145103W P145104W P149558W P149559W P149560W P149561W P161331W P163396W P163397W P163398W

Priority
7/2/2004 7/2/2004 7/2/2004 7/2/2004 12/30/1950 7/2/2004 7/2/2004 9/10/2004 9/10/2004 9/10/2004 10/3/2005 5/19/2005 1/13/2003 1/13/2003 1/13/2003 1/13/2003 4/4/2003 4/4/2003 4/4/2003 7/2/2004 7/2/2004 7/2/2004 7/2/2004 5/20/2002 5/20/2002 1/13/2003 1/13/2003 1/13/2003 1/13/2003 8/3/2004 10/19/2004 10/19/2004 10/19/2004

TNS
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
12 12 12 12 13 13 13 13 13 13 13 14 14 14 14 14 14 14 14 14 14 14 14 15 15 15 15 15 15 15 15 15 15

QQ
SWNW NENW SWNE NENE SWSW NESW NESE SWSW SWNE NENW NENE NWNE NENE SWNE NENW SWNW NENW SWNE NENE SWSW NESW SWSE NESE NESW NENW NESE NENE SWSE SWNE SWSW SWNW NENW NESW

Applicant
BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION USDA FOREST SERVICE BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION YATES PETROLEUM CORP WEST ROUNDUP RESOURCES INC.** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS BILL BARRETT CORPORATION BILL BARRETT CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS BILL BARRETT CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS BILL BARRETT CORPORATION MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY

Facility Name
PORK NW FEDERAL 12-12-4271 PORK NW FEDERAL 21-12-4271 PORK NW FEDERAL 32-12-4271 PORK NW FEDERAL 41-12-4271 STUART #TB 36 PORK NW FEDERAL 23-13-4271 PORK NW FEDERAL 43-13-4271 PORK NW FEDERAL 14-13-4271 PORK NW FEDERAL 32-13-4271 PORK NW FEDERAL 21-13-4271 THUNDER BASIN CS FEDERAL #17 SC-2-0 PORCUPINE CBM 41-14-4271 PORCUPINE CBM 32-14-4271 PORCUPINE CBM 21-14-4271 PORCUPINE CBM 12-14-4271 PORCUPINE CBM 21-14-4271 PORCUPINE CBM 32-14-4271 PORCUPINE CBM 41-14-4271 PORK NW FEDERAL 14-14-4271 PORK NW FEDERAL 23-14-4271 PORK NW FEDERAL 34-14-4271 PORK NW FEDERAL 43-14-4271 PORCUPINE FEDERAL #23-15-4271 PORCUPINE FEDERAL #21-15-4271 PORCUPINE CBM 43-15-4271 PORCUPINE CBM 41-15-4271 PORCUPINE CBM 34-15-4271 PORCUPINE CBM 32-15-4271 PORCUPINE FED 14-15-4271 PORCUPINE FED 12-15-4271 PORCUPINE FED 21-15-4271 PORCUPINE FED 23-15-4271

Status
GST GST GST GST GST GST GST GST GST GSI GSI GSI GSI GSI GSI GST GST GST GST GST GST GST GST GSI GSI GST GST GST GST GST GST GST GST

Uses
CBM,MIS CBM,MIS CBM,MIS CBM,MIS STO CBM,MIS CBM,MIS STO,CBM STO,CBM STO,CBM CBM,MIS MON CBM CBM CBM CBM CBM CBM CBM CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM

Yld
8 6 2 11 4 12 10 10 2 0

TD
538 532 531 489 121 544 527 510 550 569

16 16 16 16 1 0 8 3

525 532 545 571 503 517 500 511

16 16 16 16 25 25 20 25

530 542 523 525 543 540 548 563

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P135205W P135206W P135207W P135208W P135209W P135210W P135211W P135212W P145135W P145136W P163399W P163400W P144957W P148094W P17997P P17999P P18001P P59548W P104261W P132145W P132146W P137429W P137430W P137431W P144949W P144950W P144951W P147884W P147885W P147886W P147887W P148086W P148087W P148088W P154466W P154468W P154469W P154476W P133268W P2976P P120269W P120270W

Priority
5/21/2001 5/21/2001 5/21/2001 5/21/2001 5/21/2001 5/21/2001 5/21/2001 5/21/2001 5/20/2002 5/20/2002 10/19/2004 10/19/2004 5/14/2002 10/28/2002 12/31/1937 12/31/1939 12/31/1938 2/17/1982 3/25/1996 12/29/2000 12/29/2000 7/25/2001 7/25/2001 7/25/2001 5/14/2002 5/14/2002 5/14/2002 10/28/2002 10/28/2002 10/28/2002 10/28/2002 10/28/2002 10/28/2002 10/28/2002 9/18/2003 9/18/2003 9/18/2003 9/18/2003 3/23/2001 6/11/1961 11/1/1999 11/1/1999

TNS
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 70 70 70

SEC
16 16 16 16 16 16 16 16 17 17 17 17 18 18 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 12 6 6 6

QQ
NESE NENE SWSE SWNE NESW NENW SWSW SWNW NENW NENE NENW NENE NENE NENE NWNE NWNE NWNE NWNE SWNW SWNW SENW NENE SWNE NESE NENW SWNW NESW NENE SWNE NESE SWSE NENW SWNW NESW SWNW NENW NESW NENE NENE NWSE NWNW NWSW

Applicant
MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY BILLY D. EDWARDS BILLY D. EDWARDS BILLY D. EDWARDS DOROTHY J. EDWARDS TORCH OPERATING CO RMG I, LLC RMG I, LLC PRIMA OIL & GAS COMPANY PRIMA OIL & GAS COMPANY PRIMA OIL & GAS COMPANY PETRO-CANADA RESOURCES (INC) PETRO-CANADA RESOURCES (INC) PETRO-CANADA RESOURCES (INC) PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY PRIMA OIL & GAS COMPANY MILLS LAND & LIVESTOCK CO., INC. RIM OPERATING, INC RIM OPERATING, INC

Facility Name
STATE CBM 43-16 STATE CBM 41-16 STATE CBM 34-16 STATE CBM 32-16 STATE CBM 23-16 STATE CBM 21-16 STATE CBM 14-16 STATE CBM 12-16 PORCUPINE FEDERAL #21-17-4271 PORCUPINE FEDERAL #41-17-4271 PORCUPINE FED 21-17-4271 PORCUPINE FED 41-17-4271 DILTS FED 4271-18-11 UW ENL DILTS FED 4271-18-11UW HOUSE WELL #1 EDWARDS #1 BARN WELL #1 HOUSE WELL #2 ENL MORGAN #1-12 ENL MORGAN # 1-12 ENL MORGAN # 1-22 EDWARDS 42-42-1-11UW EDWARDS 4272-1-13UA EDWARDS 4272-1-41UW EDWARDS FED 4272-1-21UW EDWARDS FED 4272-1-23UW EDWARDS FED 4272-1-31UW ENL EDWARDS 4272-1-11UW EDWARDS 4272-1-13UW EDWARDS 4272-1-41UW EDWARDS 4272-1-43UW ENL EDWARDS FED 4272-1-21UW ENL EDWARDS FED 4272-1-23UW ENL EDWARDS FED 4272-1-31UW TUIT DRAW CBM 12-01-4272 TUIT DRAW CBM 21-01-4272 TUIT DRAW CBM 23-01-4272 TUIT DRAW CBM 41-02-4272 DILTS 4272-12-11UW MILLS #25 CBM H #11-06 CBM H #13-06

Status
GST GST GST GST GST GST GST GST GSI GSI GST GST GST GSI GST GST GST GST GST UNA UNA GST GST GST GSE GSE GSE GST GST GST GST GSI GSI GSI GSI GSI GSI GSI GST GST GST GST

Uses
CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO,CBM STO,CBM DOM,STO STO STO DOM,STO MIS,STO,CBM CBM CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM CBM CBM CBM CBM STO,CBM STO STO,CBM STO,CBM

Yld
20 20 15 20 20 20 20 20

TD
530 554 583 554 554 583 520 556

25 25 25 8 6 6 20 5 95 67 25 25 25

608 550 623 100 130 120 238 359 359 354 697 667 651

10 10 10 10

697 667 651 651

25 5 25 0

598 260 301 259

Draft EIS, Wright Area Coal Lease Applications

S3-17

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P120271W P120272W P120273W P120274W P120275W P120276W P135816W P135817W P135818W 40/1/203W 40/10/202W 40/2/203W 40/3/203W 40/4/203W 40/5/203W 40/6/203W P167211W P167214W P170557W P176133W P176134W P99926W P19254P P31780W P81595W P120277W P120278W P120279W P126215W P128063W P135815W 40/9/185W P100818W P115668W P167212W P170550W P170551W P176127W P176127W P176129W P176130W P176131W P176132W P176136W P176140W P176141W P176145W P38081W P38085W P99927W

Priority
11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 6/15/2001 6/15/2001 6/15/2001 6/6/2007 6/6/2007 6/6/2007 6/6/2007 6/6/2007 6/6/2007 6/6/2007 4/20/2005 4/20/2005 8/31/2005 6/20/2006 6/20/2006 8/1/1995 9/30/1954 1/7/1976 1/8/1990 11/1/1999 11/1/1999 11/1/1999 6/9/2000 8/4/2000 6/15/2001 6/1/2007 10/30/1995 4/28/1999 4/20/2005 8/31/2005 8/31/2005 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/2/1977 6/2/1977 8/1/1995

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70

SEC
6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7

QQ
SENW SESW NWNE NWSE SENE SESE SESE SENE SENW NWSW NWSW NWSW NWSW NWSW NWSW NWSW NWSW NESW SENE NWSE NESW NWSE NWSE SWNW SWSW NWNW SENW SENE NWNE SESW SENE NWNW SWNE SESE NWSW NWSW SWNW NWSW NWSW NWSW NWSW SWNW SWNW SWNW SWSW NWSW SWSW NWNW NWNW SWNE

Applicant
RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL COMPANY, KENNETH & SYLVIA REVLAND RENO LIVESTOCK CORPORATION JACOBS LAND AND LIVESTOCK RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL COMPANY, THUNDER BASIN COAL COMPANY, THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL COMPANY,

Facility Name
CBM H #22-06 CBM H #24-06 CBM H #31-06 CBM H #33-06 CBM H #42-06 CBM H #44-06 ENL CBM H # 44-06 ENL CBM H # 42-06 ENL CBM H # 22-06 DW0742 DW0741 DW0743 DW0744 DW0745 DW0746 DW0747 BT-2114, BT-2019-2020 & BT2115 BT-2024 BT-2288 BT2073 BT2110 JRM T6-8W REVLAND #2 RENO #1 #1 SOUTH CONSOL CBM H #11-07 CBM H #22-07 CBM H #42-07 CBM H #31-07 CBM H 24-07 ENL CBM H # 42-07 DW0756 JRM T7-5UC TC-DW-1 BT-2246 BT-2300 BT-2299,BT2246 DW0619 DW0619 DW0617 DW0616 DW0615 DW0614 DW0613 BT2344 BT2348 BT2346 BTW 16 BTR 27 JRM T7-5C

Status
GST GST GST GST GST GST GST GST GST UNA UNA UNA UNA UNA UNA UNA GST GST GSI GSI GSI GST GST GST GST GST GST GST GST GST GSI UNA GST UNA GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST

Uses
STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MON STO STO STO STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM MIS MON MIS,RES MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MON MON MON

Yld
25 1 25 1 25 25 10 10 10

TD
289 265 300 273 317 291 291 317 29

10 7

260 270

LLC

0 7 25 10 25 21 25 21 25 10 0 10

160 36 110 100 289 276 267 270 282 267 185 202

LLC LLC

LLC

0 0 0

100 296 261

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P99928W P167213W P167215W P167216W P170552W P170553W P176138W P176139W P176144W P4393W P153789W P153790W P167217W P170554W P176116W P176117W P176118W P176119W P38086W P69200W P147047W

Priority
8/1/1995 4/20/2005 4/20/2005 4/20/2005 8/31/2005 8/31/2005 6/20/2006 6/20/2006 6/20/2006 1/20/1970 8/22/2003 8/22/2003 4/20/2005 8/31/2005 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/2/1977 2/2/1984 9/16/2002

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70

SEC
7 18 18 18 18 18 18 18 18 19 19 19 19 19 19 19 19 19 19 19 30

QQ
NESE NENW NWSW SWSW SWNW SWSW NWSW NESW SWSW NESE SWNW NENW SENW NWNW SENW SENW SENW SENW NWNW SESE SWSE

Applicant
THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. USDA FOREST SERVICE LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL COMPANY UNITED STATES OF AMERICA, USDA FOREST SERVICE** THUNDER BASIN COAL COMPANY, LLC UNITED STATES OF AMERICA, USDA FOREST SERVICE** THUNDER BASIN COAL COMPANY, LLC THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO. TRITON COAL COMPANY, LLC- NORTH ROCHELLE THUNDER BASIN COAL CO. RIM OPERATING, INC BELLE FOURCHE PIPELINE CO.**GLADYS KINGTON NORWOOD RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC USDA, NATIONAL FOREST SERVICE** RIM OPERATING, INC RIM OPERATING, INC THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY

Facility Name
JRM T7-6W BT-2097 & BT-2098 BT-2252 BT-2240 BT-2252,BT2277 BT-2276 BT2336 BT2337 BT2335 RENO LIVESTOCK #T B 146 ARCH FEDERAL 12-19-4370 ARCH FEDERAL 21-19-4370 BT-2091 BT-2274 DW0610 DW0609 DW0608 DW0611 BTR 28 BT FU 29 1 BT-DW-15

Status
GST GST GSI GSI GSI GSI GSI GSI GSI GST GSE GSE GSI GSI GSI GSI GSI GSI GST GST GST

Uses
MON MIS MIS MIS MIS MIS MIS MIS MIS STO CBM CBM MIS MIS MIS MIS MIS MIS MON RES,MIS MIS

Yld
0 25

TD
145 324

390

0 250 15

404 2200 300

P147048W

9/16/2002

SESE

BT-DW-16

GST

MIS

300

P167218W P176142W P176143W P85873W P167221W P172659W P176137W P132544W P9681W P120245W P120246W P120248W P121847W P121848W P123659W P125923W P128064W P135820W 40/4/202W 40/5/202W 40/7/202W 40/8/202W

4/20/2005 6/20/2006 6/20/2006 8/20/1991 4/20/2005 1/12/2006 6/20/2006 2/8/2001 7/13/1971 11/1/1999 11/1/1999 11/1/1999 12/27/1999 12/27/1999 2/28/2000 5/25/2000 8/4/2000 6/15/2001 6/6/2007 6/6/2007 6/6/2007 6/6/2007

43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

70 70 70 70 70 70 70 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

30 30 30 30 31 31 31 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

NESW NWSW SWNW NWNW SESE NWSE NENW SWNE NENE NWSW SESW SESE SENE SENW NWNE NWNW NWSE SESW NWSW NWSW NWSW NWSW

BT-2084 BT2318 BT2319 BTW-19 BT-2152 31-10-05 BT2355 CBM D # 32-01 SOUTH HILIGHT #1 CBM CBM CBM CBM CBM CBM CBM CBM D #13-01 D #24-01 D #44-01 D #42-01 D #22-01 C #31-01 D #11-01 D 33-01R

GSI GSI GSI GST GSI GSI GSI GST GST GST GST GST GST GST GST GST GST GST UNA UNA UNA UNA

MIS MIS MIS MON MIS MON MIS MON DOM,STO STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM MIS MIS MIS MIS

0 0

270 260

0 30 25 25 25 25 25 25 25 25 10

365 346 376 359 310 310 345 377 395 326 359

ENL CBM D # 24-01 DW0735 DW0736 DW0738 DW0739

Draft EIS, Wright Area Coal Lease Applications

S3-19

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P176135W P99923W P19251P P162567W P162568W P162569W 40/6/202W 40/9/202W P152950W P3050W P128467W 40/10/267W 40/6/267W 40/7/267W 40/8/267W 40/9/267W P3343W P118160W P118161W P118162W P118163W P118164W P118165W P118166W P118167W P118168W P121878W P121879W P121880W P101219W P121881W P121882W P121883W P121884W P121885W P121886W P121887W P128475W P107621W P107622W P107624W P112055W P112056W P112057W P116056W P116057W P121888W P121889W

Priority
6/20/2006 8/1/1995 9/30/1954 9/20/2004 9/20/2004 9/20/2004 6/6/2007 6/6/2007 8/4/2003 9/15/1969 8/17/2000 7/18/2007 7/18/2007 7/18/2007 7/18/2007 7/18/2007 10/6/1969 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 12/29/1999 12/29/1999 12/29/1999 1/8/1996 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 8/17/2000 9/17/1997 9/17/1997 9/17/1997 10/6/1998 10/6/1998 10/6/1998 5/27/1999 5/27/1999 12/29/1999 12/29/1999

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
1 1 2 2 2 2 2 2 2 3 3 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7

QQ
NWSW NWSE NWSE NENE SWNE NESE NESE NESE NESE SWSE SWNW SESE NENE SENE SENE NESE SWNE NWSW SESW NWSE SESE SENW SESW NWSE SENE SESE NWNW NWSW NWNE NWSE NWNW NWSW SENW NWNE NWSE SENE SESE SESW SWSW NWSW NWNW NENW NESW SESW SWSW NWSW SWNE SWSE

Applicant
THUNDER BASIN COAL CO. THUNDER BASIN COAL COMPANY, LLC ARK LAND COMPANY RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY INC. STUART BROTHERS LANCE OIL & GAS COMPANY, INC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC STUART BROTHERS INC. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC PAUL R/RUBY H STUART LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC

Facility Name
BT2296 JRM T1-8W REVLAND #1 REVLAND TRUST FEDERAL #41-2 4371 REVLAND TRUST FEDERAL #32-2 4371 REVLAND TRUST FEDERAL #43-2 4371 DW0737 DW0740 NPLTC-03-2 STUART #10 STUART FEDERAL 12-3-4371 WW07 WW03 WW04 WW05 WW06 STUART #8 STUART 13-4 STUART 24-4 STUART 33-4 STUART 44-4 STUART 22-5 STUART 24-5 STUART 33-5 STUART 42-5 STUART 44-5 STUART 11-5 STUART 13-5-4371 STUART 31-5-4371 RED WINDMILL #1 HENDERSON 11-6-4371 HENDERSON 13-6 HENDERSON 22-6-4371 STUART 31-6-4371 STUART 33-6-4371 STUART 42-6-4371 STUART 44-6-4371 HENDERSON FEDERAL 24-6-4371 EDWARDS 14-7 EDWARDS 13-7 EDWARDS 11-7 LITTLE THUNDER EDWARDS 21-7 LITTLE THUNDER EDWARDS 23-7 LITTLE THUNDER EDWARDS 24-7 ENL EDWARDS 14-7 ENL EDWARDS 13-7 LEADBETTER 32-7-4371 LEADBETTER 34-7

Status
GSI GST GST GST GSI GST UNA UNA GST GST GST UNA UNA UNA UNA UNA GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST

Uses
MIS MON STO CBM CBM CBM MIS MIS MON STO CBM MIS MIS MIS MIS MIS STO CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO CBM CBM CBM CBM CBM CBM CBM CBM STO,CBM STO,CBM STO,CBM CBM,MIS CBM CBM CBM CBM CBM CBM

Yld
0 10 4

TD
141 147 400

383

0 5 5

10.5 145 496

5 50 45 45 45 40 40 45 45 45 45 45 45 12 40 40 40 40 40 40 40 7 35 35 35 50 70 45 50 100 40 40

273 617 571 590 559 702 697 670 628 648 717 688 670 200 832 860 792 742 760 722 703 807 665 707 628 606 698 688 665 707 640 667

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P121890W P121891W P12761P P128481W P165345W P107568W P110773W P115199W P45855W P166310W P166746W P166747W P12762P P121916W P121917W P5866W P120249W P120250W P120251W P120252W P120253W P120254W P120255W P120256W P135819W P143826W P144375W 39/1/547W 39/10/546W 39/2/547W 39/3/547W 39/4/547W 39/5/546W 39/5/547W 39/5/578W 39/6/546W 39/7/546W 39/8/546W 39/9/546W 40/1/185W 40/1/267W 40/2/185W 40/2/267W 40/3/185W 40/3/267W 40/4/185W 40/5/185W 40/6/185W 40/7/185W

Priority
12/29/1999 12/29/1999 12/30/1951 8/15/2000 1/31/2005 7/28/1997 6/22/1998 4/16/1999 10/11/1978 3/18/2005 4/1/2005 4/1/2005 12/30/1950 12/30/1999 12/30/1999 6/22/1970 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 6/15/2001 4/2/2002 5/2/2002 2/20/2007 2/20/2007 2/20/2007 2/20/2007 2/20/2007 2/20/2007 2/20/2007 3/5/2007 2/20/2007 2/20/2007 2/20/2007 2/20/2007 6/1/2007 7/18/2007 6/1/2007 7/18/2007 6/1/2007 7/18/2007 6/1/2007 6/1/2007 6/1/2007 6/1/2007

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
7 7 8 8 8 9 9 9 10 10 10 10 11 11 11 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12

QQ
NENE NESE SWSW NENE NESE NENE NESE NENE SWNE SWSE SWNE NESE SENW SWSE NESE SWNE NWNW NWSW SENW SESW NWNE NWSE SENE SESE NWNE SENE NWSE NESE NESE NESE SENE SENE SESE SENE SENE SESE SESE NESE NESE NENE NENE NENE NENE NENE NENE NENE NENE NENE NENE

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC USDA FOREST SERVICE LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BARRETT RESOURCES CORP USDA FOREST SERVICE LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC USDA FOREST SERVICE LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC DALE MILLS**RENO LIVESTOCK CORPORATION RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC. THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL COMPANY THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC

Facility Name
LEADBETTER 41-7-4371 LEADBETTER 43-7-4371 RENO #TB 41 FEDERAL 41-8-4371 FEDERAL 43-8-4371 STUART 1-41-9 STUART FEDERAL 42-9 ENL STUART FED. 1-41-9 MARG #13 STUART FED 34-10-4371 STUART FED 32-10-4371 STUART FED 43-10-4371 STUART #TB 37 ZIMMER 34-11 ZIMMER 43-11 HEARTSPEAR 12 CBM D #11-12 CBM D #13-12 CBM D #22-12 CBM D #24-12 CBM D #31-12 CBM D #33-12 CBM D #42-12 CBM D #44-12 ENL CBM D # 31-12 ENL. CBM D #42-12 ENL. CBM D #33-12 DW0713 DW0712 DW0714 DW0715 DW0716 DW0707 DW0717 DW0718 DW0708 DW0709 DW0710 DW0711 DW0748 CS08 DW0749 CS09 DW0750 CS10 DW0751 DW0752 DW0753 DW0754

Status
GST GST GST GST GSI GST GST GST GST GSI GSI GSI GST GST GST ADJ GSE GSE GST GSE GST GST GST GST GST GST GST UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA

Uses
CBM CBM STO CBM CBM CBM,MIS CBM CBM STO CBM CBM CBM STO CBM CBM STO STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS MIS

Yld
40 40 4 10 35 41 50 3

TD
703 680 152 701 540 542 540 383

4 10 10 25

146 442 410 212

20 25 25 25 3 10 10 15

375 365 392 365 375 365 365 392

Draft EIS, Wright Area Coal Lease Applications

S3-21

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
40/8/185W P176120W P176121W P176122W P176123W P176124W P176125W P176126W P176128W P132545W P5862P P112580W P121919W P121920W P121989W P123115W P123116W P19253P P121921W P121922W P141592W P166322W P166323W P139458W P139459W P139460W P139461W P145780W P145788W P145789W P123106W

Priority
6/1/2007 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 6/20/2006 2/8/2001 8/31/1968 10/30/1998 12/30/1999 12/30/1999 12/31/1999 2/7/2000 2/7/2000 12/31/1950 12/30/1999 12/30/1999 12/17/2001 3/18/2005 3/18/2005 9/24/2001 9/24/2001 9/24/2001 9/24/2001 6/26/2002 6/26/2002 6/26/2002 2/7/2000

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
12 12 12 12 12 12 12 12 12 13 13 13 13 13 13 13 13 14 14 14 14 14 14 15 15 15 15 15 15 15 16

QQ
NENE SESE SESE NESE NESE NESE NESE NESE NESE NENE NESW NWNW SENW SESW NWSW SESE NWSE SENW SENE SESE SWSW SWSE SWNE SWNW NENW SWSW NESW NESE SWSE NENE SWSE

Applicant
THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. THUNDER BASIN COAL CO. RIM OPERATING, INC RENO LIVESTOCK CORPORATION LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC ARK LAND COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC COLEMAN OIL & GAS, INC.** THUNDER BASIN COAL COMPANY LLC COLEMAN OIL & GAS, INC.** THUNDER BASIN COAL COMPANY LLC COLEMAN OIL & GAS, INC.** THUNDER BASIN COAL COMPANY LLC COLEMAN OIL & GAS, INC.** THUNDER BASIN COAL COMPANY LLC THUNDER BASIN COAL COMPANY** COLEMAN OIL & GAS, INC. THUNDER BASIN COAL COMPANY** COLEMAN OIL & GAS, INC. THUNDER BASIN COAL COMPANY** COLEMAN OIL & GAS, INC. WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC

Facility Name
DW0755 DW0626 DW0627 DW0624 DW0623 DW0622 DW0621 DW0620 DW0618 CBM D # 41-13 HEARTSPEAR 8 YOUNG 11-13 ARCH 22-13 ARCH 24-13 ARCH 13-13 HOPKINS TRUST 44-13-4371 ARCH 33-13-4371 REVLAND #3 ARCH 42-14 ARCH 44-14 REVLAND TRUST 14-14-4371 FEDERAL 34-14-4371 FEDERAL 32-14-4371 THUNDER BASIN #15-12 THUNDER BASIN #15-21 THUNDER BASIN #15-14 THUNDER BASIN #15-23 THUNDER BASIN #15-43 THUNDER BASIN #15-34 THUNDER BASIN #15-41 STATE 34-16-4371

Status
UNA GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST GST GST GST GST GST GST GST GST GSI GSI GSI GST GST GST GST GST GST GST GST

Uses
MIS MIS MIS MIS MIS MIS MIS MIS MIS MON STO CBM CBM CBM CBM CBM CBM STO CBM CBM CBM CBM CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM CBM

Yld

0 2 29 10 10 10 20 18 10 10 10

385 324 410 410 415 432 384 450 80 462 467

17 0 0 17 7 9 3 40

562 519 543 543 503 542 521 623

P123107W

2/7/2000

NESW

STATE 23-16-4371

GST

CBM

610

P123108W

2/7/2000

NENW

STATE 21-16-4371

GST

CBM

602

P123109W

2/7/2000

SWSW

STATE 14-16-4371

GST

CBM

620

P123110W

2/7/2000

SWNW

STATE 12-16-4371

GST

CBM

622

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P128141W

Priority
8/8/2000

TNS
43

RNG
71

SEC
16

QQ
NENE

Applicant
WY STATE BOARD OF LAND COMMISSIONERS** COLEMAN OIL & GAS, INC. WY STATE BOARD OF LAND COMMISSIONERS** COLEMAN OIL & GAS, INC. WY STATE BOARD OF LAND COMMISSIONERS** COLEMAN OIL & GAS, INC. WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC

Facility Name
EDWARDS STATE 16-1

Status
GST

Uses
CBM

Yld
17

TD
542

P128142W

8/8/2000

SWNE

EDWARDS STATE #16-2

GST

CBM

556

P129244W

9/5/2000

NESE

EDWARDS STATE #3-16

GST

STO,CBM

526

P33997W P123018W P123019W P123020W P123021W P137865W P137866W P137867W P137868W P152951W P143845W P143846W P143858W P143859W P148119W P148120W P152897W P151684W P151685W P151686W P151687W P151688W P151689W P151690W P153633W P38082W P143847W P143849W P143850W P143851W P143852W P143853W P143854W P154193W P176288W P32088W P32089W P32090W P84348W

7/6/1976 1/19/2000 1/19/2000 1/19/2000 1/19/2000 7/23/2001 7/23/2001 7/23/2001 7/23/2001 8/4/2003 4/9/2002 4/9/2002 4/9/2002 4/9/2002 10/29/2002 10/29/2002 7/25/2003 5/30/2003 5/30/2003 5/30/2003 5/30/2003 5/30/2003 5/30/2003 5/30/2003 8/12/2003 6/2/1977 4/9/2002 4/9/2002 4/9/2002 4/9/2002 4/9/2002 4/9/2002 4/9/2002 9/9/2003 7/12/2006 1/16/1976 1/16/1976 1/16/1976 2/5/1991

43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

16 17 17 17 17 17 17 17 17 17 18 18 18 18 18 18 18 19 19 19 19 19 19 19 19 19 20 20 20 20 20 20 20 20 21 21 21 21 21

SESE NENW NESW SWSE NESE SWNW SWSW SWNE NENE SESE SWSE NESE SWSW NESW NENE SWNE SWNW NESE SWSE SWNE NESW NENW SWSW SWNW NENE NWNW SWSW SWNW NENW SWNE SWSE NENE NESE NWNW SESW SENE SENE SENE SENE

WCH 3

GST GST GST GST GST GST GST GST GST GST GSE GSE GSE GSE GST GST GST GSE GSE GSE GSE GSE GSE GSE GST GST GSE GSI GSE GSE GSE GSE GSE GST GSI GST GST GST GST

MON CBM CBM CBM CBM CBM CBM CBM CBM MON CBM CBM CBM CBM CBM CBM STO,CBM CBM CBM CBM CBM CBM CBM CBM STO,CBM MON CBM CBM CBM CBM CBM CBM CBM STO,CBM STO MON MON MON STO 20 40 40 40 10 10 16 10 0 630 650 631 610 643 641 590 641 8.5

ARKLAND 21-17-4371 ARKLAND 23-17-4371 ARKLAND 34-17-4371 ARKLAND 43-17-4371 THUNDER BASIN COAL FEDERAL 12 17-4371 LANCE OIL & GAS COMPANY, INC THUNDER BASIN COAL FEDERAL 14 17-4371 LANCE OIL & GAS COMPANY, INC FEDERAL 32-17-4371 LANCE OIL & GAS COMPANY, INC FEDERAL 41-17-4371 THUNDER BASIN COAL COMPANY LTC-03-1 LANCE OIL & GAS COMPANY, INC FEDERAL 34-18-4371 LANCE OIL & GAS COMPANY, INC FEDERAL 43-18-4371 LANCE OIL & GAS COMPANY, INC FEDERAL 14-18-4371 LANCE OIL & GAS COMPANY, INC FEDERAL 23-18-4371 WESTPORT OIL & GAS COMPANY, L.P. FEDERAL 41-18-4371 WESTPORT OIL & GAS COMPANY, L.P. FEDERAL 32-18-4371 WILLIAMS PRODUCTION RMT COMPANY EDWARDS FEDERAL 12-18-4371 WESTPORT OIL & GAS COMPANY INC FEDERAL 43-19 WESTPORT OIL & GAS COMPANY INC FEDERAL 34-19 WESTPORT OIL & GAS COMPANY INC FEDERAL 32-19 WESTPORT OIL & GAS COMPANY INC FEDERAL 23-19-4371 WESTPORT OIL & GAS COMPANY INC FEDERAL 21-19-4371 WESTPORT OIL & GAS COMPANY INC FEDERAL 14-19-4371 WESTPORT OIL & GAS COMPANY INC FEDERAL 12-19-4371 WILLIAMS PRODUCTION RMT COMPANY ARCH STATE 41-19-4371 ATLANTIC RICHFIELD COMPANY** THUNDER BTW 17 BASIN COAL COMPANY, L.L.C. LANCE OIL & GAS COMPANY, INC FEDERAL 14-20-4371 WILLIAMS PRODUCTION RMT COMPANY FEDERAL 12-20-4371 LANCE OIL & GAS COMPANY, INC FEDERAL 21-20-4371 LANCE OIL & GAS COMPANY, INC FEDERAL 32-20-4371 LANCE OIL & GAS COMPANY, INC FEDERAL 34-20-4371 LANCE OIL & GAS COMPANY, INC FEDERAL 41-20-4371 LANCE OIL & GAS COMPANY, INC FEDERAL 43-20-4371 WILLIAMS PRODUCTION RMT COMPANY ARCH STATE 11-20-4371 THOMAS W. & LEAH B. EDWARDS EDWARDS #8 UNIVERSITY OF WYOMING WRRI LTB 2A UNIVERSITY OF WYOMING WRRI LTB 2B UNIVERSITY OF WYOMING WRRI LTB 2C USDA FOREST SERVICE EDWARDS #T.B. 266

1 10 19

637 650 723

14 0

657 125

10 0 0 0 2

664 100 200 574 574

Draft EIS, Wright Area Coal Lease Applications

S3-23

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P143855W P143856W P143857W P167145W P169600W P169867W P8912W P8913W P121923W P121924W P121925W P121926W P152852W P167141W P152949W P44326W P128505W P152855W P167138W P167144W P167146W P169601W P169864W P169868W P121927W P121928W P128509W P147621W P147622W P166461W P167139W P169865W P5860P P5860P P112564W P112565W P112566W P134996W P134997W P134998W P134999W P169602W P169869W P112566W P134996W P134997W P134998W P134999W

Priority
4/9/2002 4/9/2002 4/9/2002 4/13/2005 8/19/2005 8/15/2005 5/4/1971 5/24/1971 12/30/1999 12/30/1999 12/30/1999 12/30/1999 7/24/2003 4/13/2005 8/4/2003 7/20/1978 8/17/2000 7/24/2003 4/13/2005 4/13/2005 4/13/2005 8/19/2005 8/15/2005 8/15/2005 12/30/1999 12/30/1999 8/17/2000 10/4/2002 10/4/2002 3/31/2005 4/13/2005 8/15/2005 12/31/1930 12/31/1930 10/30/1998 10/30/1998 10/30/1998 5/15/2001 5/15/2001 5/15/2001 5/15/2001 8/19/2005 8/15/2005 10/30/1998 5/15/2001 5/15/2001 5/15/2001 5/15/2001

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
21 21 21 21 21 21 22 22 22 22 22 22 22 22 22 23 23 23 23 23 23 23 23 23 24 24 24 24 24 24 24 24 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25

QQ
SWNW SWSW NENW NESW SWNE NENE NWNW SWNW SWNE SWSE NENE NESE SWSW SWSW SENE SWSW SWSE NENW SWNW NENW NESW SWNE NESE NENE SENW NWNE SWSW NENE NESE NESW SWNW SWSE SESE SESE NWNW SWNW SENW SWSW NESW SWSE NESE SWNE NENE SENW SWSW NESW SWSE NESE

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. USDA FOREST SERVICE USDA FOREST SERVICE LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT COMPANY LANCE OIL & GAS COMPANY, INC THUNDER BASIN COAL COMPANY USDA FOREST SERVICE USDA, NATIONAL FOREST SERVICE** LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC USDA, NATIONAL FOREST SERVICE** WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. RENO LIVESTOCK CORPORATION RENO LIVESTOCK CORPORATION LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC

Facility Name
FEDERAL 12-21 FEDERAL 14-21 FEDERAL 21-21 FEDERAL 23-21-4371 FEDERAL 32-21-4371 FEDERAL 41-21-4371 RENO #T B 152 RENO #T B 153 ARCH 32-22 ARCH 34-22 ARCH 41-22 ARCH 43-22 FEDERAL 14-22-4371R FEDERAL 14-22-4371R LTC-03-2 MARG #1 BRC FEDERAL 34-23 FEDERAL 21-23-4371 FEDERAL 12-23-4371 FEDERAL 21-23-4371 FEDERAL 23-23-4371 FEDERAL 32-23-4371 FEDERAL 43-23-4371 FEDERAL 41-23-4371 ARCH 22-24 ARCH 31-24 BRC FEDERAL 14-24 ARCH 41-24-4371 ARCH 43-24-4371 FEDERAL 23-24-4371 FEDERAL 12-24-4371WY FEDERAL 34-24-4371 HEARTSPEAR 6 HEARTSPEAR 6 FEDERAL 11-25 FEDERAL 12-25 FEDERAL 22-25 ARCH 14-25-4371 ARCH 23-25-4371 ARCH 34-25-4371 ARCH 43-25-4371 FEDERAL 32-25-4371 FEDERAL 41-25-4371 FEDERAL 22-25 ARCH 14-25-4371 ARCH 23-25-4371 ARCH 34-25-4371 ARCH 43-25-4371

Status
GSE GSE GSE GSI GSI GSI GST GST GST GST GST GST GSE GSI GST GST GST GSE GSI GSI GSI GSI GSI GSI GST GST GST GSE GSE GSI GSI GSI GST GST GST GST GST GST GST GST GST GSI GSI GST GST GST GST GST

Uses
CBM CBM CBM CBM CBM CBM STO STO CBM CBM CBM CBM CBM CBM MON STO CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO STO CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM

Yld

4 5 45 45 45 45

-1 -1 541 540 531 514

0 3 20

8 375 475

10 10 20

427 470 421

1 1 24 32 12 10 10 10 10

-1 -1 398 375 370 432 382 384 324

12 10 10 10 10

370 432 382 384 324

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P169602W P169869W P112567W P112568W P112569W P112570W P112571W P112572W P113320W P113321W P113322W P113855W P112572W P81416W P112579W P113675W P113676W P113677W P113678W P116992W P116993W P116994W P116995W P167140W P167142W P167147W P101905W P124262W P147201W P147206W P147207W P147210W P147211W P147212W P147213W P124258W P124259W P124260W P124261W P139784W P139785W P139786W P139787W P56708W P139788W P139789W

Priority
8/19/2005 8/15/2005 10/30/1998 10/30/1998 10/30/1998 10/30/1998 10/30/1998 10/30/1998 12/14/1998 12/14/1998 12/14/1998 2/1/1999 10/30/1998 12/6/1989 10/30/1998 12/30/1998 12/30/1998 12/30/1998 12/30/1998 6/28/1999 6/28/1999 6/28/1999 6/28/1999 4/13/2005 4/13/2005 4/13/2005 3/26/1996 3/23/2000 9/19/2002 9/19/2002 9/19/2002 9/19/2002 9/19/2002 9/19/2002 9/19/2002 3/23/2000 3/23/2000 3/23/2000 3/23/2000 10/2/2001 10/2/2001 10/2/2001 10/2/2001 3/31/1981 10/2/2001 10/2/2001

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
25 25 26 26 26 26 26 26 26 26 26 26 26 26 27 27 27 27 27 27 27 27 27 27 27 27 28 28 28 28 28 28 28 28 28 29 29 29 29 29 29 29 29 30 30 30

QQ
SWNE NENE SWNE NWSE SWSE SENE NESE SESE SWSW SWNW NESW SENW SESE NENW NENW NESE SENE SWNE SWSE SWNE SWNE SENE NESE SWNW SWSW NESW SWNW SWSW SWNW NENW NESE NESW SWNE SWSE NENE NESE NENE SWSE SWNE SWNW SWSW NENW NESW SENW SWNW SWSW

Applicant
LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC THUNDER BASIN COAL CO., LLC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BRIDLE BIT RANCH CO. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH HARRY UNDERWOOD COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH COMPANY** COLEMAN OIL & GAS, INC.

Facility Name
FEDERAL 32-25-4371 FEDERAL 41-25-4371 FEDERAL 32-26 FEDERAL 33-26 FEDERAL 34-26 FEDERAL 42-26 FEDERAL 43-26 FEDERAL 44-26 ARCH 14-26 ARCH 12-26 ARCH 23-26 ARCH 22-26 FEDERAL 44-26 BTR 158 FEDERAL 21-27 ARCH 43-27 ARCH 42-27 ARCH 32-27 ARCH 34-27 ENL ARCH 32-27 ENL ARCH 34-27 ENL ARCH 42-27 ENL ARCH 43-27 FEDERAL 12-27-4371 FEDERAL 14-27-4371 FEDERAL 23-27-4371 BBRC BLACK BUTTE #2 SMITH 14-28-4371 DILTS FEDERAL 12-28 DILTS FED 21-28-4371 ARCH COAL FEDERAL 43-28-4371 FEDERAL 23-28 FEDERAL 32-28 ARCH COAL FEDERAL 34-28-4371 FEDERAL 41-28 BRIDLE BIT RANCH 43-29-4371 BRIDLE BIT RANCH 41-29-4371 BRIDLE BIT RANCH 34-29-4371 BRIDLE BIT RANCH 32-29-4371 BRIDLE BIT RANCH #29-12 BRIDLE BIT RANCH #29-14 BRIDLE BIT RANCH #29-21 BRIDLE BIT RANCH #29-23 UNDERWOOD WELL #3 BRIDLE BIT RANCH #30-12 BRIDLE BIT RANCH #30-14

Status
GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GSI GST GST GST GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST

Uses
CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO,CBM CBM MON CBM STO,CBM CBM STO,CBM STO,CBM CBM CBM CBM CBM CBM CBM CBM STO CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO,CBM STO,CBM STO,CBM STO,CBM STO STO,CBM STO,CBM

Yld
20 20 15 14 30 20 20 25 20 30 20 0 50 20 20 20 20 50 50 50 50

TD
449 420 428 395 420 427 452 444 451 465 427 502 550 461 463 459 479 459 479 463 461

5 25 3 5 4 6 51 7 5 30 30 30 25 17 20 2 20 25 20 10

184 632 638 598 527 579 572 519 564 643 643 624 693 657 625 657 631 717 681 747

Draft EIS, Wright Area Coal Lease Applications

S3-25

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P139790W P139791W P139792W P139793W P139794W P151691W P112454W P112455W P147199W P147202W P147203W P147204W P147208W P147209W P147214W P145114W P145137W P145138W P145139W P145140W P145141W P145142W P145143W P147357W P147362W P147363W P147364W P163664W P163665W P163666W P163667W P164548W P164549W P164550W P164551W P124256W P124257W P147358W P147359W P147360W P147361W P147640W P147641W P44328W

Priority
10/2/2001 10/2/2001 10/2/2001 10/2/2001 10/2/2001 5/30/2003 10/30/1998 10/30/1998 9/19/2002 9/19/2002 9/19/2002 9/19/2002 9/19/2002 9/19/2002 9/19/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 9/26/2002 9/26/2002 9/26/2002 9/26/2002 11/4/2004 11/4/2004 11/4/2004 11/4/2004 12/20/2004 12/20/2004 12/20/2004 12/20/2004 3/23/2000 3/23/2000 9/26/2002 9/26/2002 9/26/2002 9/26/2002 10/4/2002 10/4/2002 7/20/1978

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
30 30 30 30 30 30 31 31 31 31 31 31 31 31 31 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 33 33 33 33 33 33 33 33 34

QQ
NENW NESW SWNE SWSE NESE NENE NWSE NWSE SWNE SWNW SWSW NENW SWSE NESE NESW NESE SWNW SWSW NESW NENW SENE SWSE NENE SWNE NESE NENE SWSE SWNE SWSE NENE NESE SWNW SWSW NENW NESW NENW SWNW NESE NENE SWSE SWNE SWSW NESW NWSE

Applicant
COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS WESTPORT OIL & GAS COMPANY INC BARRETT RESOURCES CORP. BARRETT RESOURCES CORP. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY WESTPORT OIL & GAS COMPANY, WESTPORT OIL & GAS COMPANY, WESTPORT OIL & GAS COMPANY, WESTPORT OIL & GAS COMPANY, MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WESTPORT OIL & GAS COMPANY, WESTPORT OIL & GAS COMPANY, WESTPORT OIL & GAS COMPANY, WESTPORT OIL & GAS COMPANY, LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC USDA FOREST SERVICE

Facility Name
BRIDLE BIT RANCH #30-21 BRIDLE BIT RANCH #30-23 BRIDLE BIT RANCH #30-32 BRIDLE BIT RANCH #30-34 BRIDLE BIT RANCH #30-43 FEDERAL 41-30 FEDERAL 33-31MS (MONITOR WELL) FEDERAL 33-31MC (MONITOR WELL) DILTS FEDERAL 32-31-4371 DILTS FEDERAL 12-31-4371 DILTS FEDERAL 14-31-4371 DILTS FEDERAL 21-31-4371 DILTS FEDERAL 34-31-4371 DILTS FEDERAL 43-31-4371 DILTS FEDERAL 23-31-4371 PORCUPINE FEDERAL #43-32-4271 PORCUPINE FEDERAL #12-32-4371 PORCUPINE FEDERAL #14-32-4371 PORCUPINE FEDERAL #23-32-4371 PORCUPINE FEDERAL #21-32-4371 PORCUPINE FEDERAL #32-32-4371 PORCUPINE FEDERAL #34-32-4371 PORCUPINE FEDERAL #41-32-4371 DILTS FEDERAL 32-32 DILTS FEDERAL 43-32 DILTS FEDERAL 41-32 DILTS FEDERAL 34-32 PORCUPINE FED 32-32-4371 PORCUPINE FED 34-32-4371 PORCUPINE FED 41-32-4371 PORCUPINE FED 43-32-4371 PORCUPINE FED 12-32-4371 PORCUPINE FED 14-32-4371 PORCUPINE FED 21-32-4371 PORCUPINE FED 23-32-4371 MATHESON 21-33-4371 MATHESON 12-33-4371 FEDERAL 43-33 (DILTS) FEDERAL 41-33 FEDERAL 34-33 FEDERAL 32-33 BRIDLE BIT RANCH 14-33-4371 BRIDLE BIT RANCH 23-33-4371 MARG #3

Status
GST GST GST GST GST GSE GST GST GST GST GST GSI GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST

Uses
STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM CBM MON MON CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO

Yld
10 10 20 15 20

TD
625 673 676 673 613

0 0 7 17 17 7 16 17 15

310 675 662 675 700 681 675 696 670

L.P. L.P. L.P. L.P.

12 12 12 12 25 30 30 0 1 5 33 33 60

688 743 635 743 586 640 633 523 710 611 678 706 353

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P113674W P113784W P113785W P114640W P116808W P116809W P116996W P116997W P116998W P116999W P147200W P147205W P156945W P156946W P14237W P112562W P112563W P112573W P112574W P112575W P112576W P112577W P112578W P113671W P128524W P152861W P167127W P167143W P169866W P112562W P112563W P112575W P112576W P112577W P112578W P113671W P128524W P128524W P152861W P167127W P167143W P169866W P111368W P112081W

Priority
12/30/1998 1/25/1999 1/25/1999 3/18/1999 6/28/1999 6/28/1999 6/28/1999 6/28/1999 6/28/1999 6/28/1999 9/19/2002 9/19/2002 3/8/2004 3/8/2004 6/14/1972 10/30/1998 10/30/1998 10/30/1998 10/30/1998 10/30/1998 10/30/1998 10/30/1998 10/30/1998 12/30/1998 8/17/2000 7/24/2003 4/13/2005 4/13/2005 8/15/2005 10/30/1998 10/30/1998 10/30/1998 10/30/1998 10/30/1998 10/30/1998 12/30/1998 8/17/2000 8/17/2000 7/24/2003 4/13/2005 4/13/2005 8/15/2005 8/7/1998 9/30/1998

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
34 34 34 34 34 34 34 34 34 34 34 34 34 34 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 36 36

QQ
NWNW NWSW NESW NENW SWNE NENE NWNW NWSW NENW NESW NESE SWSE NESE SWSE SWNW SENE NENE NWNW SWNW SENE SENW NWNE SWNE NENE NESE NESW NESW SWSW SWSE SENE NENE SENE SENW NWNE SWNE NENE NESE NESE NESW NESW SWSW SWSE SENW SENW

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. USDA FOREST SERVICE LANCE OIL & GAS COMPANY, INC BARRETT RESOURCES CORP. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC USDA, NATIONAL FOREST SERVICE** WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC BARRETT RESOURCES CORP. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC USDA, NATIONAL FOREST SERVICE** WILLIAMS PRODUCTION RMT, COMPANY USDA, NATIONAL FOREST SERVICE** WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. WYO BOARD OF LAND COMMISSIONERS** YATES PETROLEUM CORP. WYO BOARD OF LAND COMMISSIONERS** YATES PETROLEUM CORP.

Facility Name
DILTS 11-34 DILTS 13-34 DILTS 23-34 DILTS 21-34 FEDERAL 32-34 FEDERAL 41-34 ENL DILTS 11-34 ENL DILTS 13-34 ENL DILTS 21-34 ENL DILTS 23-34 ARCH FEDERAL 43-34-4371 ARCH FEDERAL 34-34-4371 ARCH FED 43-34-4371 ARCH FED 34-34-4371 STUART #T.B. 165 FEDERAL 42-35 FEDERAL 41-25 FEDERAL 11-35 FEDERAL 12-35 FEDERAL 21-35 FEDERAL 22-35 FEDERAL 31-35 FEDERAL 32-35 FEDERAL 41-35 BRC FEDERAL 43-35 FEDERAL 23-35-4371 FEDERAL 23-35-4371 FEDERAL 14-35-4371 FEDERAL 34-35-4371 FEDERAL 42-35 FEDERAL 41-25 FEDERAL 21-35 FEDERAL 22-35 FEDERAL 31-35 FEDERAL 32-35 FEDERAL 41-35 BRC FEDERAL 43-35 BRC FEDERAL 43-35 FEDERAL 23-35-4371 FEDERAL 23-35-4371 FEDERAL 14-35-4371 FEDERAL 34-35-4371 RENO CS STATE #1 ENL RENO CS STATE #1

Status
GST GST GST GST GST GST GST GST GST GST GSI GSI GST GST GST GST UNA GST GST GST GST GST GST GST GST GSE GSI GSI GSI GST UNA GST GST GST GST GST GST GST GSE GSI GSI GSI GST GST

Uses
STO,CBM STO,CBM STO,CBM CBM STO,CBM STO,CBM CBM CBM CBM CBM CBM CBM CBM CBM STO CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO,MIS,CBM STO,MIS,CBM

Yld
20 20 20 20 55 55 50 50 50 50

TD
489 570 566 471 515 515 489 570 471 566

1 0 5 20 0 11 27 30 22 22 22 20 30

515 510 275 422 0 480 508 478 489 428 423 387 388

20 0 30 22 22 22 20 30 30

422 0 478 489 428 423 387 388 388

25 25

376 376

Draft EIS, Wright Area Coal Lease Applications

S3-27

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P115174W

Priority
4/12/1999

TNS
43

RNG
71

SEC
36

QQ
NENW

Applicant
YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS WYO BOARD OF LAND COMMISSIONERS** YATES PETROLEUM CORP. WYO BOARD OF LAND COMMISSIONERS** YATES PETROLEUM CORP. YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS

Facility Name
RENO CS STATE #2

Status
GST

Uses
STO,CBM

Yld
100

TD
375

P115175W

4/12/1999

NWNW

RENO CS STATE #3

GST

STO,CBM

100

397

P115176W

4/12/1999

SWSE

RENO CS STATE #6

GST

STO,CBM

100

377

P115177W

4/12/1999

NENE

RENO CS STATE #7

GST

STO,CBM

100

364

P115178W

4/12/1999

NWNE

RENO CS STATE #8

GST

STO,CBM

100

380

P115179W

4/12/1999

SENE

RENO CS STATE #9

GST

STO,CBM

100

357

P115180W

4/12/1999

NESE

RENO CS STATE #10

GST

STO,CBM

100

355

P117263W

4/12/1999

NWSW

RENO CS STATE #12

GST

STO,CBM

100

389

P117264W

4/12/1999

SESW

RENO CS STATE #14

GST

STO,CBM

100

394

P117265W

4/12/1999

SWSW

RENO CS STATE #13

GST

STO,CBM

100

394

P117266W

4/12/1999

SESE

RENO CS STATE #11

GST

STO,CBM

100

359

P117267W

4/12/1999

SWNW

RENO CS STATE #4

GST

STO,CBM

100

395

P117268W

4/12/1999

NESW

RENO CS STATE #5

GST

STO,CBM

100

382

P111368W

8/7/1998

SENW

RENO CS STATE #1

GST

STO,MIS,CBM

376

P112081W

9/30/1998

SENW

ENL RENO CS STATE #1

GST

STO,MIS,CBM

376

P115174W

4/12/1999

NENW

RENO CS STATE #2

GST

STO,CBM

100

375

P115175W

4/12/1999

NWNW

RENO CS STATE #3

GST

STO,CBM

100

397

P115176W

4/12/1999

SWSE

RENO CS STATE #6

GST

STO,CBM

100

377

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P115177W

Priority
4/12/1999

TNS
43

RNG
71

SEC
36

QQ
NENE

Applicant
YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS THUNDER BASIN COAL COMPANY**WYO BOARD OF LAND COMMISSIONERS THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL COMPANY**WYO BOARD OF LAND COMMISSIONERS THUNDER BASIN COAL CO., LLC PAUL R/RUBY H STUART PAUL R/RUBY H STUART LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BARRETT RESOURCES CORP. WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC PAUL R/RUBY H STUART COSNER RANCH INC. PAUL AND RUBY H. STUART LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC

Facility Name
RENO CS STATE #7

Status
GST

Uses
STO,CBM

Yld
100

TD
364

P115178W

4/12/1999

NWNE

RENO CS STATE #8

GST

STO,CBM

100

380

P115179W

4/12/1999

SENE

RENO CS STATE #9

GST

STO,CBM

100

357

P115180W

4/12/1999

NESE

RENO CS STATE #10

GST

STO,CBM

100

355

P117263W

4/12/1999

NWSW

RENO CS STATE #12

GST

STO,CBM

100

389

P117264W

4/12/1999

SESW

RENO CS STATE #14

GST

STO,CBM

100

394

P117265W

4/12/1999

SWSW

RENO CS STATE #13

GST

STO,CBM

100

394

P117266W

4/12/1999

SESE

RENO CS STATE #11

GST

STO,CBM

100

359

P117267W

4/12/1999

SWNW

RENO CS STATE #4

GST

STO,CBM

100

395

P117268W

4/12/1999

NESW

RENO CS STATE #5

GST

STO,CBM

100

382

P33645W P85874W P33645W P85874W 39/8/477W P101221W P112058W P112059W P112060W P112061W P116058W P121892W P121893W P128527W P128528W P128529W P128531W P100735W P2292W P65160W P130855W P130856W

6/2/1976 8/20/1991 6/2/1976 8/20/1991 1/2/2007 1/8/1996 10/6/1998 10/6/1998 10/6/1998 10/6/1998 5/27/1999 12/29/1999 12/29/1999 8/17/2000 8/17/2000 8/17/2000 8/17/2000 10/23/1995 12/31/1951 2/10/1982 11/14/2000 11/14/2000

43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

71 71 71 71 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72

36 36 36 36 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2

NWNW SWSW NWNW SWSW NESE NESE NWSE SWSE NESE SESE NESE NWSE SESW SWNW NENW SWNE NENE SWSW SWNW SESW NESE SWNE

ECH 7 BTR-159 ECH 7 BTR-159 NORTHEAST PASTURE #2 NORTHEAST PASTURE #1 LITTLE THUNDER STUART 33-1 LITTLE THUNDER STUART 34-1 LITTLE THUNDER STUART 43-1 LITTLE THUNDER STUART 44-1 ENL STUART 43-1 STUART 13-1-4372 STUART 24-1 STUART FEDERAL 12-1-4372 STUART FEDERAL 21-1-4372 STUART FEDERAL 32-1-4372 STUART FEDERAL 41-1-4372 PAUL #3 COSNER #16 STUART BROTHERS #5 STUART 43-2-4372 STUART 32-2-4372

GST GST GST GST UNA GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST

MON MON MON MON STO STO CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM DOM,STO STO STO CBM CBM

0 0 0 0 3 70 70 70 120 50 70 70 16 7 7 16 9 4 25 25 25

395 392 395 392 120 791 770 835 765 835 842 882 855 993 890 931 235 75 258 823 830

Draft EIS, Wright Area Coal Lease Applications

S3-29

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P130857W P130858W P129035W P13081P P18211P P2296W P31660W P32087W P5328W P59329W P65159W P80780W P94949W P94950W P94951W P94952W P121894W P121895W P121897W P121898W P121899W P147614W P147615W P147616W P101218W P101222W P17996P P107613W P107614W P107617W P107618W P112062W P112063W P112064W P116053W P116054W P116055W P116059W P116843W P121900W P121901W P106627W P141174W P145688W P145689W P152894W P158173W P173883W

Priority
11/14/2000 11/14/2000 9/20/2000 7/31/1959 8/31/1959 8/5/1951 12/2/1975 1/16/1976 4/22/1970 6/16/1981 2/10/1983 9/5/1989 4/12/1994 4/12/1994 4/12/1994 4/12/1994 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 10/4/2002 10/4/2002 10/4/2002 1/8/1996 1/8/1996 12/31/1935 9/17/1997 9/17/1997 9/17/1997 9/17/1997 10/6/1998 10/6/1998 10/6/1998 5/27/1999 5/27/1999 5/27/1999 5/27/1999 6/24/1999 12/29/1999 12/29/1999 6/10/1997 11/27/2001 5/21/2002 5/21/2002 7/25/2003 4/1/2004 3/24/2006

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72

SEC
2 2 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 13 13 13 13 13 13 13

QQ
SWSE NENE NENE SENW NESW NWSW NWSW SENW SWSW SENW NWNE SWSW SENW SENW SENW SENW SWNW NENW SWNE SWSE NESE SWNW NESW NENW NWNW NWNW SWSE SESE NESE SWSE NWSE SWSW NESW SESW NESE SWSE NWSE NESW SESE SWNW NENW NWNW NENE NESW SWSW SWSE NESE SWNE

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WY STATE ENGINEER'S OFFICE WYOMING STATE HIGHWAY DEPARTMENT DOUGLAS D WILLIAMS COSNER RANCH INC. COSNER RANCH INC. UNIVERSITY OF WYOMING WRRI COSNER RANCH INC. WYOMING STATE HIGHWAY DEPARTMENT PAUL AND RUBY H. STUART TED R. COSNER WYOMING DEPT. OF TRANSPORTATION WYOMING DEPT. OF TRANSPORTATION WYOMING DEPT. OF TRANSPORTATION WYOMING DEPT. OF TRANSPORTATION WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC PAUL R/RUBY H STUART PAUL R/RUBY H STUART BILLY D. EDWARDS LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC.

Facility Name
STUART 34-2-4372 STUART 41-2-4372 CBM-MON-7W RENO CAMP #1 COSNER #23 COSNER #17 (DEEPENED) ENL COSNER #17 LTB 1 COSNER #21 ENL RENO CAMP #1 STUART BROTHERS #1 #S1 COSNER 3093RJ-1 3093RJ-2 3093RJ-3 3093RJ-4 STUART 12-11-4372 STUART 21-11-4372 STUART 32-11-4372 STUART 34-11 STUART 43-11-4372 STUART 12-11-4372 STUART 23-11-4372 STUART 21-11-4372 SOUTH BARN #1 HOUSE #1 HAY FIELD #1 EDWARDS 44-12 EDWARDS 43-12 EDWARDS 34-12 EDWARDS 33-12 LITTLE THUNDER STUART 44-12 LITTLE THUNDER STUART 23-12 LITTLE THUNDER STUART 24-12 ENL EDWARDS 43-12 ENL EDWARDS 34-12 ENL EDWARDS 33-12 ENL STUART 23-12 ENL EDWARDS 44-12 STUART 12-12-4372 STUART 21-12-4372 EDWARDS FEDERAL #1-13 EDWARDS FEDERAL 41-13-4372 USFS4372-13-31 PORCUPINE TUIT FED 13-33UW EDWARDS 34-13-4372 EDWARDS 43-13-4372 EDWARDS FED 32-13-4372

Status
GST GST GST ADJ GST GST GST GST GST ADJ GST GST GST GST GST GST GSI GSI GST GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GST

Uses
CBM CBM MON DOM DOM STO STO MON STO MIS STO STO MON MON MON MON CBM CBM CBM CBM CBM CBM CBM CBM STO DOM STO STO,CBM STO,CBM STO,CBM STO,CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO,CBM CBM STO,CBM,RES STO,CBM,RES CBM CBM CBM

Yld
16 16 0 10 10 25 21 0 40 0 25 10 0 0 0 0

TD
800 881 491 513 490 212 212 300 208 513 234.5 8 25 33 28 28

602 720 824 838 834 120 95 340 727 675 716 671 733 587 690 675 716 671 587 727 607 642 642 603 759 771 710 571

16 16 16 8 10 6 35 35 35 35 45 50 70 115 115 115 70 115 10 15 20 11 17 15 9 15

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P147608W P149731W P151692W P151693W P158965W P158966W P2956P P145690W P145691W P159553W P159554W P159555W P159556W P159557W P159558W P12765P P82834W P145692W P145693W P145694W P145695W P145696W P145701W P152895W P152896W P18000P P67900W P18000P P67900W P145697W P145698W P145699W P145700W P154712W P154713W P145697W P145698W P145699W P145700W P154712W P154713W

Priority
10/4/2002 2/19/2003 5/30/2003 5/30/2003 5/17/2004 5/17/2004 5/22/1969 5/21/2002 5/21/2002 5/21/2004 5/21/2004 5/21/2004 5/21/2004 5/21/2004 5/21/2004 2/12/1937 7/2/1990 5/21/2002 5/21/2002 5/21/2002 5/21/2002 5/21/2002 5/21/2002 7/25/2003 7/25/2003 12/31/1938 7/10/1984 12/31/1938 7/10/1984 5/21/2002 5/21/2002 5/21/2002 5/21/2002 10/9/2003 10/9/2003 5/21/2002 5/21/2002 5/21/2002 5/21/2002 10/9/2003 10/9/2003

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72

SEC
14 14 14 14 14 14 23 23 23 23 23 23 23 23 23 24 24 24 24 24 24 24 24 24 24 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25

QQ
NENE SWNE NESE SWSE NESW SWSW SENW NENE NESE NENW SWNW SWNE NESW SWSW SWSE SESW SENW NENW SWNW NESW SWSW SWSE NESE NENE SWNE NWSW NWNW NWSW NWNW NENE SWNE NESE SWSE NESW SWSW NENE SWNE NESE SWSE NESW SWSW

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WESTPORT OIL & GAS COMPANY INC WESTPORT OIL & GAS COMPANY INC DEVON ENERGY PRODUCTION COMPANY, L.P.**DEAN COSNER DEVON ENERGY PRODUCTION COMPANY, L.P.**DEAN COSNER INC. COSNER RANCH PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY DEVON ENERGY PRODUCTION COMPANY, L.P. DEVON ENERGY PRODUCTION COMPANY, L.P. DEVON ENERGY PRODUCTION COMPANY, L.P. DEVON ENERGY PRODUCTION COMPANY, L.P. DEVON ENERGY PRODUCTION COMPANY, L.P. DEVON ENERGY PRODUCTION COMPANY, L.P. USDA FOREST SERVICE USA USDA FOREST SERVICE PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BILLY D. EDWARDS USA USDA FOREST SERVICE BILLY D. EDWARDS USA USDA FOREST SERVICE PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY DEVON ENERGY PRODUCTION COMPANY, L.P.**TOM EDWARDS DEVON ENERGY PRODUCTION COMPANY, L.P.**TOM EDWARDS PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY DEVON ENERGY PRODUCTION COMPANY, L.P.**TOM EDWARDS DEVON ENERGY PRODUCTION COMPANY, L.P.**TOM EDWARDS

Facility Name
CARLSON 41-14-4372 CARLSON 32-14-4372 FEDERAL 43-14 FEDERAL 34-14 D COSNER FEDERAL 14W-11 D COSNER FEDERAL 14W-13 COSNER #20 USFS 4372-23-11UW USFS 4372-23-41UW D COSNER FEDERAL 23W-3 D COSNER FEDERAL 23W-5 D COSNER FEDERAL 23W-7 D COSNER FEDERAL 23W-11 D COSNER FEDERAL 23W-13 D COSNER FEDERAL 23W-15 EDWARDS #TB 27 EDWARDS #TB 265 USFS 4372-24-21UW USFS 4372-24-23UW USFS 4372-24-31US USFS 4372-24-33UW USFS 4372-24-43UW USFS 4372-24-41UW EDWARDS 41-24-4372 EDWARDS 32-24-4372 RODMAN #1 EDWARDS SPRING #T B 64 RODMAN #1 EDWARDS SPRING #T B 64 USFS 4372-25-11UW USFS 4372-25-13UW USFS 4372-25-41 USFS 4372-25-43 EDWARDS 25W-11 EDWARDS 25W-13 USFS 4372-25-11UW USFS 4372-25-13UW USFS 4372-25-41 USFS 4372-25-43 EDWARDS 25W-11 EDWARDS 25W-13

Status
GST GST GSE GSE GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST

Uses
CBM CBM CBM CBM STO,CBM STO,CBM STO STO,CBM,RES STO,CBM,RES STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO STO STO,CBM,RES STO,CBM,RES STO,CBM,RES STO,CBM,RES STO,CBM,RES STO,CBM,RES STO,CBM CBM STO STO STO STO STO,CBM,RES STO,CBM,RES STO,CBM,RES STO,CBM,RES STO,CBM STO,CBM STO,CBM,RES STO,CBM,RES STO,CBM,RES STO,CBM,RES STO,CBM STO,CBM

Yld
16 23

TD
798 792

25 25 4 21 15 25 25 25 25 25 25 4 5 16 15 17 17 16 14 18 13 4 1 4 1 18 17 14 16 25 25 18 17 14 16 25 25

787 821 360 758 766 795 865 809 855 919 827 -1 99 740 742 698 740 680 689 730 740 115 8 115 8 681 730 740 789 853 833 681 730 740 789 853 833

Draft EIS, Wright Area Coal Lease Applications

S3-31

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P101531W P102921W P34469W P101531W P102921W P34469W P108027W P108422W P151120W P151176W P151394W P152664W P154610W P154611W P108027W P108422W P151120W P151176W P151394W P152664W P154610W P154611W P95497W P17998P P3918P P43665W P17998P P3918P P43665W P154497W P154498W P154499W P154500W P154501W P161332W P154497W P154498W P154499W P154500W P154501W P161332W P154184W

Priority
3/7/1996 7/10/1996 8/6/1976 3/7/1996 7/10/1996 8/6/1976 11/3/1997 12/18/1997 5/6/2003 4/15/2003 5/19/2003 6/23/2003 9/24/2003 9/24/2003 11/3/1997 12/18/1997 5/6/2003 4/15/2003 5/19/2003 6/23/2003 9/24/2003 9/24/2003 6/2/1994 12/31/1943 5/31/1968 6/2/1978 12/31/1943 5/31/1968 6/2/1978 9/18/2003 9/18/2003 9/18/2003 9/18/2003 9/18/2003 8/3/2004 9/18/2003 9/18/2003 9/18/2003 9/18/2003 9/18/2003 8/3/2004 9/8/2003

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72

SEC
26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 32 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 36

QQ
NESW SENW NESW NESW SENW NESW SWSW SWSW SWNW NESE NENW SWSE NESW SWNE SWSW SWSW SWNW NESE NENW SWSE NESW SWNE SWNE SESE NESW SWSE SESE NESW SWSE NENW NESW SWNE NENE NESE SWSE NENW NESW SWNE NENE NESE SWSE SWNW

Applicant
CHARLES TYRREL FREDERICK M WATERHOUSE COSNER RANCH INC. CHARLES TYRREL FREDERICK M WATERHOUSE COSNER RANCH INC. CRAWLEY PETROLEUM CORP.**TED COSNER CRAWLEY PETROLEUM CORP. BILL BARRETT CORPORATION DEVON ENERGY PRODUCTION COMPANY, L.P. BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION CRAWLEY PETROLEUM CORP.**TED COSNER CRAWLEY PETROLEUM CORP. BILL BARRETT CORPORATION DEVON ENERGY PRODUCTION COMPANY, L.P. BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION CLAYTON AND CINDY MCGUIRE BILLY EDWARDS HARRY UNDERWOOD WANDA S. & JOHNNY BIL EDWARDS BILLY EDWARDS HARRY UNDERWOOD WANDA S. & JOHNNY BIL EDWARDS MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY** WY STATE BOARD OF LAND COMMISSIONERS DEVON ENERGY PRODUCTION COMPANY, L.P.** WY STATE BOARD OF LAND COMMISSIONERS DEVON ENERGY PRODUCTION COMPANY, L.P.** WY STATE BOARD OF LAND COMMISSIONERS

Facility Name
CRIPPLE CREEK NUMBER ONE SISTER BAY #1 COSNER #6A CRIPPLE CREEK NUMBER ONE SISTER BAY #1 COSNER #6A COSNER #1-26 ENL COSNER I-26 T.COSNER 12-26-4372 EDWARDS 26W-9 T. COSNER 21-26-4372 WILKINSON 34-26-4372 FEDERAL 23-26-4372 FEDERAL 32-26-4372 COSNER #1-26 ENL COSNER I-26 T.COSNER 12-26-4372 EDWARDS 26W-9 T. COSNER 21-26-4372 WILKINSON 34-26-4372 FEDERAL 23-26-4372 FEDERAL 32-26-4372 WEST RATTLESNAKE BUTTE BULL PASTURE #1 UNDERWOOD #3 EDWARDS #1 BULL PASTURE #1 UNDERWOOD #3 EDWARDS #1 TUIT DRAW CBM 21-35-4372 TUIT DRAW CBM 23-35-4372 TUIT DRAW CBM 32-35-4372 TUIT DRAW CBM 41-35-4372 TUIT DRAW CBM 43-35-4372 TUIT DRAW CBM 34-35-4372 TUIT TUIT TUIT TUIT TUIT TUIT DRAW DRAW DRAW DRAW DRAW DRAW CBM CBM CBM CBM CBM CBM 21-35-4372 23-35-4372 32-35-4372 41-35-4372 43-35-4372 34-35-4372

Status
GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GST

Uses
DOM DOM STO DOM DOM STO CBM,MIS CBM,MIS CBM CBM CBM CBM CBM CBM CBM,MIS CBM,MIS CBM CBM CBM CBM CBM CBM STO STO STO DOM STO STO DOM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO,CBM

Yld
25 10 25 25 10 25 8 19 21 25 15 19 22 15 8 19 21 25 15 19 22 15 7 4 15 15 4 15 15

TD
346 340 280 346 340 280 1050 1050 877 862 851 842 860 860 1050 1050 877 862 851 842 860 860 170 150 80 192 150 80 192

STATE (EDWARDS) 36W-5

762

P154185W

9/8/2003

SWNE

STATE (EDWARDS) 36W-7

GST

STO,CBM

703

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P154186W

Priority
9/8/2003

TNS
43

RNG
72

SEC
36

QQ
NENE

Applicant
DEVON ENERGY PRODUCTION COMPANY, L.P.** WY STATE BOARD OF LAND COMMISSIONERS DEVON ENERGY PRODUCTION COMPANY, L.P.** WY STATE BOARD OF LAND COMMISSIONERS DEVON ENERGY PRODUCTION COMPANY, L.P.** WY STATE BOARD OF LAND COMMISSIONERS DEVON ENERGY PRODUCTION COMPANY, L.P.** WY STATE BOARD OF LAND COMMISSIONERS DEVON ENERGY PRODUCTION COMPANY, L.P.** WY STATE BOARD OF LAND COMMISSIONERS DEVON ENERGY PRODUCTION COMPANY, L.P.** WY STATE BOARD OF LAND COMMISSIONERS DEVON ENERGY PRODUCTION COMPANY, L.P.** WY STATE BOARD OF LAND COMMISSIONERS DEVON ENERGY PRODUCTION COMPANY, L.P.** WY STATE BOARD OF LAND COMMISSIONERS DEVON ENERGY PRODUCTION COMPANY, L.P.** WY STATE BOARD OF LAND COMMISSIONERS DEVON ENERGY PRODUCTION COMPANY, L.P.** WY STATE BOARD OF LAND COMMISSIONERS DEVON ENERGY PRODUCTION COMPANY, L.P.** WY STATE BOARD OF LAND COMMISSIONERS DEVON ENERGY PRODUCTION COMPANY, L.P.** WY STATE BOARD OF LAND COMMISSIONERS DEVON ENERGY PRODUCTION COMPANY, L.P.** WY STATE BOARD OF LAND COMMISSIONERS DEVON ENERGY PRODUCTION COMPANY, L.P.** WY STATE BOARD OF LAND COMMISSIONERS JACOBS RANCH COAL CO. JACOBS RANCH COAL COMPANY MILLS LAND & LIVESTOCK CO., INC. RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL CO. JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY

Facility Name
STATE (EDWARDS) 36W-1

Status
GST

Uses
STO,CBM

Yld

TD
741

P154187W

9/8/2003

SWSE

STATE (EDWARDS) 36W-15

GST

STO,CBM

665

P154188W

9/8/2003

SWSW

STATE (EDWARDS) 36W-13

GST

STO,CBM

747

P154189W

9/8/2003

NESW

STATE (EDWARDS) 36W-11

GST

STO,CBM

709

P154190W

9/8/2003

NESE

STATE (EDWARDS) 36W-9

GST

STO,CBM

680

P154191W

9/8/2003

NENW

STATE (EDWARDS) 36W-3

GST

STO,CBM

783

P154184W

9/8/2003

SWNW

STATE (EDWARDS) 36W-5

GST

STO,CBM

762

P154185W

9/8/2003

SWNE

STATE (EDWARDS) 36W-7

GST

STO,CBM

703

P154186W

9/8/2003

NENE

STATE (EDWARDS) 36W-1

GST

STO,CBM

741

P154187W

9/8/2003

SWSE

STATE (EDWARDS) 36W-15

GST

STO,CBM

665

P154188W

9/8/2003

SWSW

STATE (EDWARDS) 36W-13

GST

STO,CBM

P154189W

9/8/2003

NESW

STATE (EDWARDS) 36W-11

GST

STO,CBM

709

P154190W

9/8/2003

NESE

STATE (EDWARDS) 36W-9

GST

STO,CBM

680

P154191W

9/8/2003

NENW

STATE (EDWARDS) 36W-3

GST

STO,CBM

783

P175241W P178333W P2975P P128099W P128100W P128101W P147293W P166503W P175242W P178326W P178327W P178329W P178330W

6/2/2006 10/4/2006 12/21/1934 8/7/2000 8/7/2000 8/7/2000 9/27/2002 3/31/2005 6/2/2006 10/4/2006 10/4/2006 10/4/2006 10/4/2006

44 44 44 44 44 44 44 44 44 44 44 44 44

70 70 70 70 70 70 70 70 70 70 70 70 70

30 30 31 31 31 31 31 31 31 31 31 31 31

SWSW SWSW SWNW NWNW NWSW SENW NWNW NESW NWNW SWNW SENW NWNW NENW

TW-30SWSW DW 2006-1,2,5,6 MILLS #24 CBM G 11-31 CBM G 13-31 CBM G 22-31 JRM 31-2W40 02PIEZO2005 TW-31NW DW 2006-17,18,19,21,22,24,25 DW 2006-16,23 DW 2006-9,10,13,14 DW 2006-8,15

GSI GSI GST GST GST GST GST GSI GSI GSI GSI GSI GSI

TST MIS STO STO,CBM STO,CBM STO,CBM MON MON TST MIS MIS MIS MIS

5 7 0 4 0

60 305 245 308 30

Draft EIS, Wright Area Coal Lease Applications

S3-33

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P121839W P123657W P123658W P123891W P123893W P128292W P151454W P151457W P151458W P166504W P170774W P170775W P170778W P170779W P178332W P121838W P128068W P128069W P128070W P128293W P128294W P128295W P128296W P135821W P135822W P135823W P120167W P170780W P170781W P175240W P3215P P3216P P118863W P118864W P128584W P128585W P131375W P131376W P145783W P145786W P118170W P118171W P118865W P118866W P121902W P121903W

Priority
12/27/1999 2/28/2000 2/28/2000 3/6/2000 3/6/2000 8/14/2000 5/2/2003 5/2/2003 5/2/2003 3/31/2005 10/28/2005 10/28/2005 10/28/2005 10/28/2005 10/4/2006 12/27/1999 8/4/2000 8/4/2000 8/4/2000 8/14/2000 8/14/2000 8/14/2000 8/14/2000 6/15/2001 6/15/2001 6/15/2001 11/1/1999 10/28/2005 10/28/2005 6/2/2006 7/16/1930 10/17/1944 9/1/1999 9/1/1999 8/22/2000 8/22/2000 12/4/2000 12/4/2000 6/26/2002 6/26/2002 8/6/1999 8/6/1999 9/1/1999 9/1/1999 12/29/1999 12/29/1999

TNS
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 27 27 27 27 27 27 27 27 27 27 28 28 28 28 28 28

QQ
NWSE NWNW NWSW SESW SENW SESE NWNW SENW NWSW SENW SESE SESE SWNW SWNW SESE NWNE SESE SENE NWSE NWNW NWSW SENW SESW SESW NWSW NWNW NENE NESE NESE NWNE SENE SENE SWSW NESW SWSE NESE SWNW NENW SWNE NENE SWSW NESW SWSE NESE SWNW NENW

Applicant
RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL COMPANY JACOBS RANCH COAL CO. JACOBS RANCH COAL CO. JACOBS RANCH COAL CO. JACOBS RANCH COAL CO. JACOBS RANCH COAL COMPANY RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC JACOBS RANCH MINE JACOBS RANCH COAL COMPANY JACOBS RANCH COAL CO. JACOBS RANCH COAL CO. JACOBS RANCH COAL CO. W. L. FERGUSON W. L. FERGUSON LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC. DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC. DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC. DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC

Facility Name
CBM C #33-25 CBM C #11-25 CBM C #13-25 CBM C #24-25 CBM C #22-25 CBM C #44-25 JRM-DW-25-1 JRM-DW-25-4 JRM-DW-25-5 03PIEZO2005 TW-25SE1 TW-25SE2 TW-25NW1 TW-25NW2 DW 2006-3,4 CBM C #31-26 CBM C 44-26 CBM C 42-26 CBM C 33-26 CBM C #11-26 CBM C #13-26 CBM C #22-26 CBM C #24-26 ENL CBM C # 24-26 ENL CBM C # 13-26 ENL CBM C # 11-26 JACOBS RANCH MINE JRM 26 2W41 TW-26SE1 TW-26SE2 TW-26NE FERGUSON #1 FERGUSON #2 CHITTENDEN 14-27 CHITTENDEN 23-27 FERGUSON 34-27-4471 FERGUSON 43-27-4471 FERGUSON #12-27 FERGUSON #21-27 FERGUSON #32-27 FERGUSON #41-27 STUART 14-28 STUART 21-28 CHITTENDEN 34-28 CHITTENDEN 43-28 SNODGRASS 12-28-4471 SNODGRASS 21-28-4471

Status
GST GST GST GST GST GST GSE GSE GSE GSI GSI GSI GSI GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST

Uses
STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM MIS MIS MIS MON TST TST TST TST MIS STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM MON TST TST TST DOM DOM,STO CBM CBM CBM CBM STO,CBM STO,CBM STO,CBM STO,CBM CBM CBM CBM CBM CBM CBM

Yld
0 25 Unk 18 0 20

TD
326 327 357 355 324 345

0 0 0 25 33 25 25 25 10 10 10 0

348 385 300 405 422 437 407 427 427 437 422 105

10 10 45 45 30 30 0 0 19 13 45 45 45 45 45 45

24 100 503 523 501 501 571 527 512 458 607 582 557 542 622 609

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P121904W P121905W P92738W P118172W P118173W P121906W P121907W P121908W P121909W P121910W P121911W P128459W P128460W P128461W P128462W P137904W P137915W P137919W P137927W P106969W P106970W P106971W P81413W P123408W

Priority
12/29/1999 12/29/1999 9/3/1993 8/6/1999 8/6/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 8/17/2000 8/17/2000 8/17/2000 8/17/2000 7/23/2001 7/23/2001 7/23/2001 7/23/2001 8/1/1997 8/1/1997 8/1/1997 12/4/1989 2/18/2000

TNS
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
28 28 29 29 29 29 29 29 29 29 29 30 30 30 30 30 30 30 30 31 31 31 31 31

QQ
SWNE NENE SESE SWSE NESE SWNW SWSW NENW NESW SWNE NENE NESE NENE SWSE SWNE SWSW NESW SWNW NENW SENE SENE SENE NWNE SWSW

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC JAMES R. AND IRENE STUART LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BARRETT RESOURCES CORP. BARRETT RESOURCES CORP. BARRETT RESOURCES CORP. PAUL R/RUBY H STUART LANCE OIL & GAS COMPANY, INC** WY STATE BOARD OF LAND COMMISSIONERS LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC JACOBS RANCH COAL CO. JACOBS RANCH COAL CO. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC THUNDER BASIN COAL COMPANY INC. STUART BROTHERS INC. STUART BROTHERS JAMES R. AND IRENE STUART

Facility Name
SNODGRASS 32-28-4471 SNODGRASS 41-28-4471 ALICE #2 STUART 34-29 STUART 43-29 STUART 12-29-4471 STUART 14-29-4471 STUART 21-29-4471 STUART 23-29-4471 STUART 32-29-4471 STUART 41-29-4471 STUART FEDERAL 43-30-4471 STUART FEDERAL 41-30-4471 STUART FEDERAL 34-30-4471 STUART FEDERAL 32-30-4471 FEDERAL 14-30-4471 STUART FEDERAL 23-30-4471 STUART FEDERAL 12-30-4471 STUART FEDERAL 21-30-4471 STUART FED. 42-31A STUART FED. 42-31B STUART FED. 42-31C PAUL #1 HAYNES 14-31-4471

Status
GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST

Uses
CBM CBM STO CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM MON MON MON STO CBM

Yld
45 40 6 40 45 45 45 40 45 45 45 20 20 20 20 20 20 10 20 0 0 0 10 30

TD
565 583 100 683 642 742 722 682 690 642 662 722 784 790 835 935 795 855 847 580 744 850 205 830

P128457W P137908W P137910W P137912W P141956W P170782W P170783W P118174W P118175W P118184W P118185W P118186W P118187W P118868W P118869W P118176W P118177W P118178W P118179W P118180W P118181W P118182W P152948W P5971W P5972W P92345W

8/17/2000 7/23/2001 7/23/2001 7/23/2001 1/4/2002 10/28/2005 10/28/2005 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 9/1/1999 9/1/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/4/2003 5/29/1970 5/29/1970 7/20/1993

44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

31 31 31 31 31 31 31 32 32 32 32 32 32 32 32 33 33 33 33 33 33 33 33 34 34 34

SENE NESW NENW SWNW NWNE NENW NENW SWNE NENE SWSW NESW SWSE NESE SWNW NENW SWNW SWSW NENW NESW SWNE SWSE NENE SWSE NESE NESE SWSE

STUART FEDERAL 42-31-4471 STUART FEDERAL 23-31-4471 HAYNES FEDERAL 21-31-4471 HAYNES FEDERAL 12-31-4471 STUART FEDERAL 31-31-4471 TW-31NW1 TW-31NW2 STUART 32-32 STUART 41-32 FLOCCHINI 14-32 FLOCCHINI 23-32 FLOCCHINI 34-32 FLOCCHINI 43-32 STUART 12-32 STUART 21-32 STUART 12-33 STUART 14-33 STUART 21-33 STUART 23-33 STUART 32-33 STUART 34-33 STUART 41-33 NPLTC-03-01 SWP #1 SWP #2 ALICE #1

GST GST GST GST GST GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST

CBM CBM CBM CBM CBM TST TST CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM MON STO STO DOM

20 20 20 20 15

863 820 975 863 902

65 40 65 65 65 65 65 65 60 60 65 65 60 65 45 0 25 25 8

640 622 730 695 652 620 710 692 620 577 610 579 560 505 580 9.6 245 250 630

Draft EIS, Wright Area Coal Lease Applications

S3-35

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P128453W P128454W P128455W P128456W P136616W P136617W P145784W P145787W 40/4/267W 40/5/267W 40/6/277W P19250P P30419W P128066W P128067W P143825W P146103W P146104W P121835W P121844W P121845W P121846W P125924W P125925W P125926W P128065W

Priority
8/17/2000 8/17/2000 8/17/2000 8/17/2000 7/2/2001 7/2/2001 6/26/2002 6/26/2002 7/18/2007 7/18/2007 7/25/2007 12/31/1961 7/16/1975 8/4/2000 8/4/2000 4/2/2002 7/19/2002 7/19/2002 12/27/1999 12/27/1999 12/27/1999 12/27/1999 5/25/2000 5/25/2000 5/25/2000 8/4/2000

TNS
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
34 34 34 34 34 34 34 34 34 34 34 35 35 35 35 35 35 35 36 36 36 36 36 36 36 36

QQ
NESW NENW SWSW SWNW NESE SWSE SWNE NENE NESE SESE NESE SENE NENE SENE NWNE NWNE NWNW SENW NWNE NWSE NWSW NWNW SENE SENW SESW SESE

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC. DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC. THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO., LLC THUNDER BASIN COAL CO. ARK LAND COMPANY ARK LAND COMPANY RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC RIM OPERATING, INC** WY STATE BOARD OF LAND COMMISSIONERS RIM OPERATING, INC** WY STATE BOARD OF LAND COMMISSIONERS RIM OPERATING, INC** WY STATE BOARD OF LAND COMMISSIONERS RIM OPERATING, INC** WY STATE BOARD OF LAND COMMISSIONERS RIM OPERATING, INC** WY STATE BOARD OF LAND COMMISSIONERS RIM OPERATING, INC** WY STATE BOARD OF LAND COMMISSIONERS WY STATE BOARD OF LAND COMMISSIONERS** RIM OPERATING, INC JACOBS RANCH COAL CO.** WY STATE BOARD OF LAND COMMISSIONERS JACOBS RANCH COAL CO.** WY STATE BOARD OF LAND COMMISSIONERS JACOBS RANCH COAL CO.** WY STATE BOARD OF LAND COMMISSIONERS JACOBS RANCH COAL CO.** WY STATE BOARD OF LAND COMMISSIONERS JACOBS RANCH COAL COMPANY** WY STATE BOARD OF LAND COMMISSIONERS JACOBS RANCH COAL COMPANY** WY STATE BOARD OF LAND COMMISSIONERS WYO BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL CO., LLC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC

Facility Name
STUART FEDERAL 23-34-4471 STUART FEDERAL 21-34-4471 STUART FEDERAL 14-34-4471 STUART FEDERAL 12-34-4471 STUART FEDERAL 43-34-4471 STUART FEDERAL 34-34-4471 FERGUSON #32-34 FERGUSON #41-34 WW01 WW02 WW08 REVLAND #5 REVLAND #1 CBM C 42-35 CBM C 31-35 ENL. CBM C #31-35 CBM C # 11-35 CBM C # 22-35 CBM C #31-36 CBM C #33-36 CBM C #13-36 CBM C #11-36 CBM C #42-36 CBM C #22-36 CBM C #24-36 CBM C 44-36

Status
GST GST GST GST GST GST GST GST UNA UNA UNA GST GST GST GST GST GSE GSE GST GST GST GST GST GST GST GST

Uses
CBM CBM CBM CBM CBM CBM CBM CBM MIS MIS MIS DOM,STO DOM,STO STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM

Yld
10 10 10 10 10 10 0 0

TD
522 495 501 518 443 480 495 446

15 25 18 25 10

125 303 425 405 405

25 17 21 18 0 25 18 22

296 282 386 337 262 355 390 313

P170784W P170785W P170786W P170787W P178325W

10/28/2005 10/28/2005 10/28/2005 10/28/2005 10/4/2006

44 44 44 44 44

71 71 71 71 71

36 36 36 36 36

NESE NESE NENW NENW SENE

TW-36SE1 TW-36SE2 TW-36NW1 TW-36NW2 DW 2006-20

GSI GSI GSI GSI GSI

TST TST TST TST MIS

P178328W

10/4/2006

NENE

DW 2006-11,12

GSI

MIS

P33644W

6/2/1976

NENE

ECH 6

GST

MON

395

P137954W P137971W

7/23/2001 7/23/2001

44 44

72 72

25 25

SWSW NESW

STUART FEDERAL 14-25-4472 STUART FEDERAL 23-25-4472

GST GST

CBM CBM

20 20

934 872

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S3-3. Groundwater Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P137972W P137974W P137981W P137983W P101357W P124992W P145604W P46696W P71147W P80562W P137871W P137872W P101216W

Priority
7/23/2001 7/23/2001 7/23/2001 7/23/2001 6/14/1995 4/10/2000 7/1/2002 2/9/1979 9/16/1985 8/30/1990 7/23/2001 7/23/2001 1/8/1996

TNS
44 44 44 44 44 44 44 44 44 44 44 44 44

RNG
72 72 72 72 72 72 72 72 72 72 72 72 72

SEC
25 25 25 25 35 35 35 35 35 35 35 35 36

QQ
SWSE NESE SWNE NENE SENW SENW SWNE SENW SWSW SWSW SWSE NESE SESE

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WRIGHT WATER AND SEWER DISTRICT WRIGHT WATER & SEWER DISTRICT WDEQ/WQD WRIGHT WATER AND SEWER DISTRICT CHARLES TYRREL CHARLES T. TYRREL**RANDY REEVES LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WYO BOARD OF LAND COMMISSIONERS**PAUL R/RUBY H STUART PAUL R/RUBY H STUART PAUL R/RUBY H STUART LANCE OIL & GAS COMPANY, INC** WY STATE BOARD OF LAND COMMISSIONERS LANCE OIL & GAS COMPANY, INC** WY STATE BOARD OF LAND COMMISSIONERS LANCE OIL & GAS COMPANY, INC** WY STATE BOARD OF LAND COMMISSIONERS LANCE OIL & GAS COMPANY, INC** WY STATE BOARD OF LAND COMMISSIONERS LANCE OIL & GAS COMPANY, INC** WY STATE BOARD OF LAND COMMISSIONERS WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC** WY STATE BOARD OF LAND COMMISSIONERS

Facility Name
STUART FEDERAL 34-25-4472 STUART FEDERAL 43-25-4472 STUART FEDERAL 32-25-4472 STUART FEDERAL 41-25-4472 ENL RJ-3 WELL ENL. RJ-3 WELL MW1354 RJ 3 LITTLE THUNDER #1 TR #1 STUART FEDERAL 34-35-4472 STUART FEDERAL 43-35-4472 NORTH SCHOOL WELL #1

Status
GST GST GST GST UNA UNA GST ADJ GST GST GST GST GST

Uses
CBM CBM CBM CBM MUN MUN MON MUN DOM DOM CBM CBM STO

Yld
20 20 20 20 100 0 0 225 25 25 16 16 10

TD
906 990 1017 905 2730 2730 20 2730 700 660 955 1069 141

P101218W P101219W P123400W

1/8/1996 1/8/1996 2/18/2000

44 44 44

72 72 72

36 36 36

SESE NWSE SWNW

SOUTH BARN #1 RED WINDMILL #1 STATE 12-36-4472

GST GST GST

STO STO CBM

8 12 55

120 200 996

P123401W

2/18/2000

SWSW

STATE 14-36-4472

GST

CBM

1023

P123402W

2/18/2000

NENW

STATE 21-36-4472

GST

CBM

934

P123403W

2/18/2000

NESW

STATE 23-36-4472

GST

CBM

967

P123404W

2/18/2000

SWNE

STATE 32-36-4472

GST

CBM

987

P123405W

2/18/2000

SWSE

STATE 34-36-4472

GST

CBM

962

P123406W

2/18/2000

NENE

STATE 41-36-4472

GST

CBM

923

P123407W

2/18/2000

NESE

STATE 43-36-4472

GST

CBM

921

Draft EIS, Wright Area Coal Lease Applications

S3-37

Supplementary Information on the Affected Environment
Notes for Non Mining-related Groundwater Rights within Three Miles of the West Hilight Field LBA Tract Search Conducted October 8, 2007 Groundwater Right Township 42N 42N 42N 43N 43N 43N 44N 44N 44N Search Area: Range 70W 71W 72W 70W 71W 72W 70W 71W 72W

Sections 6-7, 18 1-18 1-2, 12 6-7, 18-19, 1-36 1-2, 11-14, 30-31 25-36 25, 35-36

30-31

23-26, 35-36

Status Codes ADJ Adjudicated GSE Good standing, permitted time limits have been extended GSI Good standing incomplete; required notices not received; not yet expired GSM Good standing but map is still required GST Good standing UNA Unadjudicated Approximately 237 separate water rights with a status code of ABA (Abandoned), A&C (Abandoned and Cancelled), CAN (Cancelled), or EXP (Expired) have been eliminated from the listing provided above, as none of these well codes represent a valid current right. Use Codes CBM Coal Bed Methane DEW Dewatering DOM Domestic DRI Drilling IND Industrial STO Stock

IRR MIS MON MUN RES TEM

Irrigation Miscellaneous Monitoring Municipal Reservoir Supply Temporary Use

S3-38

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S3-4. Surface Water Rights for West Hilight Field LBA Tract.
Permit No.
33/4/110S C42/270A CR1/387A CR2/455A CR4/254A CR9/356A P10084S P10085S P10087S P1163S P1164S P1165S P16214S P16747S P17302S P17303S P17378S P17441S P2343S P2926S P33347D 2/9/1987 2/9/1987 2/9/1987 3/3/1955 3/3/1955 3/3/1955 12/2/2004 12/6/2004 8/23/2005 8/23/2005 9/26/2005 9/26/2005 8/4/1958 11/3/1959 11/2/2005

Priority
9/26/2005

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

SEC
5 17 3 22 10 27 19 20 25 3 9 4 34 31 29 30 6 18 10 34 22

QQ
0 16 9 6 4 8 0 0 0 6 16 6 0 0 10 13 0 7 11 5 13

Applicant
JAMES R. & IRENE STUART TRUSTS

Appropriation

Facility Name

Status
UNA

Source
DRY FORK LITTLE THUNDER CREEK

Uses

FLORENCE B. ELEXANDER FLORENCE RESERVOIR E. E. STUART USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USA USDA FOREST SERVICE USA USDA FOREST SERVICE USA USDA FOREST SERVICE E. E. STUART ESTATE E. E. STUART ESTATE E. E. STUART ESTATE JERRY DILTS**TOM EDWARDS BRIDLE BIT RANCH CO. JERRY & BARBARA DILTS JERRY & BARBARA DILTS PAUL R. STUART REVOCABLE TRUST THOMAS W. & LEAH B. EDWARDS PAUL AND RUBY H. STUART HALBERT MATHESON E.H. OFTEDAL & SONS, INC. USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE STUART RESERVOIR THUNDER BASIN NO. 10 RESERVOIR STUART #F.S.9-256-3 STOCK RESERVOIR RENO #9-221-2 STOCK RESERVOIR RENO #9-239-1STOCK RESERVOIR RENO #9-239-2 STOCK RESERVOIR RENO #9-240-13 STOCK RESERVOIR

PUO PUO PUO PUO PUO UNA GST UNA RENO DRAW SAGER DRAW PETTERS DRAW PETTERS BASIN PUO PUO UNA UNA UNA UNA UNA UNA PUO UNA UNA MANOR DRAW SPRINGEN DRAW GREY DRAW BLACK BUTTE DRAW BIRD DRAW BIRD DRAW DRY FORK LITTLE THUNDER CREEK LITTLE THUNDER CREEK SCHROYER DRAW BRIGGS DRAW LITTLE THUNDER CREEK NORTH PRONG LITTLE THUNDER CREEK BLACK BUTTE DRAW LITTLE THUNDER CREEK DRY FORK LITTLE THUNDER HAUMAN DRAW

STO STO STO STO STO STO STO STO

P3402R P4579S P4843R P5501R P5723S

1/4/1917 4/28/1964 3/31/1938 3/1/1943 10/10/1966

43 43 43 43 43

71 71 71 71 71

17 32 22 3 4

16 11 6 9 6

MARION C. ELEXANDER HALBERT MATHESON USDA FOREST SERVICE E.E. STUART STUART BROTHERS INC.

PUO PUO ADJ ADJ PUO

Draft EIS, Wright Area Coal Lease Applications

S3-39

Supplementary Information on the Affected Environment Table S3-4. Surface Water Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P5724S P5938S P8135S P16807S P16679S C27/359A P17790S P946R P17789S P17849S P1166S P16678S P18350S P2344S P17672S

Priority
10/10/1966 2/27/1967 7/21/1976 8/11/2004 9/23/2004

TNS
43 43 43 44 44 44 44 44 44 44 44 44 44 44 44

RNG
71 71 71 72 72 71 71 71 71 71 71 71 71 71 71

SEC
11 10 27 35 36 28 28 28 30 30 31 31 32 34 36

QQ
16 4 8 0 13 12 9 12 9 15 9 0 6 8 9

Applicant
HAROLD E. ZIMMER USDA FOREST SERVICE USDA FOREST SERVICE PAUL STUART PAUL STUART** WYO STATE OFFICE OF LANDS & INVESTMENTS

Appropriation

Facility Name

Status
UNA ADJ PUO UNA UNA

Source
ZIMMER DRAW ERICKSON DRAW DRY LAKE BED FEVER DRAW DRY FORK LITTLE THUNDER CREEK

Uses

JOHN MORTON SHEEP COMPANY JAMES & IRENE STUART TRUST JOHN MORTON SHEEP COMPANY JAMES & IRENE STUART TRUST JAMES & IRENE STUART TRUST PAULINE S. WARD PAUL STUART PAUL R. STUART REVOCABLE TRUST PAUL AND RUBY H. STUART DALE MILLS TRUST

THUNDER BASIN NO. 1 RESERVOIR

3/3/2006 11/30/1906 3/3/2006 3/3/2006 3/3/1955 9/23/2004 8/23/2005 8/4/1958 9/1/2005

PUO UNA PUO UNA UNA PUO UNA UNA PUO UNA

STO DRY DRAW DRY DRAW GRAND VIEW DRAW TULIP DRAW KELLY DRAW HAUMAN DRAW DRY FORK LITTLE THUNDER CREEK DWIGHT DRAW QUIGLEY DRAW NORTH SECTION 36 PLAYA (A CLOSED BASIN) MILLS #1 DRAW (17-43-70) MILLS #1 DRAW (17-43-70)

P33346D P416S P418S POU CR3/299A P16846S P3931S P10086S P16867S P16868S P4578S C27/364A C27/365A C27/366A P7104D P7105D P7106D P16869S P16870S P16871S P16872S

11/2/2005 10/7/1953 10/7/1953

44 44 44 43 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

71 70 70 70 70 70 70 71 71 71 71 71 71 71 71 71 71 71 71 71 71

36 31 31 7 7 7 7 2 3 4 5 7 7 7 7 7 7 8 8 8 8

14 3 15 11 14 14 14 0 0 0 8 5 6 6 5 6 6 2 14 14 15

E.H. OFTEDAL & SONS, INC. RALPH E. MILLS RALPH E MILLS RENO LIVESTOCK #9-240-2 STOCK RESERVOIR

UNA UNA UNA GSI USDA, FOREST SERVICE PUO UNA PUO GST UNA UNA UNA PUD PUD PUD PUD PUD PUD UNA UNA UNA UNA

STO OLSON DRAW OLSON DRAW SAFFORD DRAW SOHN DRAW BAHL DRAW BIRDSALL DRAW IRR IRR IRR SHEEP CREEK LITTLE ANTELOPE CREEK LITTLE ANTELOPE CREEK BLACK BUTTE CREEK BLACK BUTTE CREEK BLACK BUTTE CREEK BLACK BUTTE CREEK STO

1/26/2004 3/18/1963 2/9/1987 5/12/2004 6/9/2003 4/28/1964

USFS USDA FOREST SERVICE USA USDA FOREST SERVICE BRIDLE BIT RANCH CO.** MERIT ENERGY CO. BRIDLE BIT RANCH CO. HALBERT MATHESON USDA, FOREST SERVICE RENO #9-240-12 STOCK RESERVOIR

EDITH M. SIMPSON EDITH M. SIMPSON EDITH M. SIMPSON EDITH M. SIMPSON EDITH M. SIMPSON EDITH M. SIMPSON BRIDLE BIT RANCH CO. BRIDLE BIT RANCH CO. BRIDLE BIT RANCH CO. BRIDLE BIT RANCH CO.

SHEEP DITCH LITTLE ANTELOPE DITCH NO. 1 LITTLE ANTELOPE DITCH NO. 2

2/13/1906 2/13/1906 3/8/1906 6/9/2003 6/9/2003 6/9/2003 6/9/2003

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S3-4. Surface Water Rights for West Hilight Field LBA Tract (Continued).
Permit No.
CR4/303A P5557S P16914S CR3/301A P4191S CR2/459A P4991R P7102D CR3/309A P3906S P16918S P16915S P16916S P16917S CR4/305A P17508S P29308D P29823D 11/1/2004 2/10/1986 12/11/1987 2/17/1939 2/13/1906

Priority

TNS
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

RNG
71 71 71 71 71 71 71 71 71 71 71 71 71 71 72 72 72 72

SEC
9 9 10 11 11 12 12 12 13 13 14 15 15 15 1 1 1 1

QQ
15 15 0 2 2 1 1 2 10 10 0 0 0 0 6 0 2 2

Applicant

Appropriation
USDA, FOREST SERVICE

Facility Name
MATHESON #F.S.9-228-7 STOCK RESERVOIR

Status
ADJ ADJ UNA

Source

Uses
STO

5/6/1966 6/9/2003

USDA FOREST SERVICE BRIDLE BIT RANCH CO.** WYO STATE OFFICE OF LANDS & INVESTMENTS USDA, FOREST SERVICE USDA FOREST SERVICE USDA, FOREST SERVICE USDA FARM SECURITY ADMINISTRATION EDITH M. SIMPSON USDA, FOREST SERVICE USDA FOREST SERVICE BRIDLE BIT RANCH CO.** WYO STATE OFFICE OF LANDS & INVESTMENTS BRIDLE BIT RANCH CO.** WYO STATE OFFICE OF LANDS & INVESTMENTS BRIDLE BIT RANCH CO.** WYO STATE OFFICE OF LANDS & INVESTMENTS BRIDLE BIT RANCH CO.** WYO STATE OFFICE OF LANDS & INVESTMENTS USDA, FOREST SERVICE TOM EDWARDS** MERIT ENERGY CO. DIAMOND SHAMROCK EXPLORATION COMPANY MAXUS EXPLORATION COMPANY WILMOT #F.S.9-266-3 STOCK RESERVOIR STUART #256-2 STOCK RESERVOIR THUNDER BASIN RESERVOIR NO. 54 REVLAND #242-1 STOCK RESERVOIR

BAHL DRAW GRAY CREEK STO BRIGGS DRAW STO TANNER DRAW LITTLE PORCUPINE CREEK STO STUART DRAW STEW DRAW BAHL DRAW GRAY CREEK GRAY CREEK STO LITTLE PORCUPINE CREEK CRIPPLE CREEK CRIPPLE CREEK LITTLE PORCUPINE CREEK WARD DRAW MCGEE DRAW WARD DRAW RENO DRAW LITTLE THUNDER CREEK NAMING ERRORS NAMING ERRORS LITTLE THUNDER CREEK

1/31/1964

PUO PUO PUO PUO PUD PUO PUO UNA UNA UNA UNA PUO UNA PUD PUD

8/8/1962 6/9/2003 6/9/2003 6/9/2003 6/9/2003

P5562S P1167S P1379S P17370S P16677S P1574R P9165D P9166D P17371S

5/6/1966 3/3/1955 2/6/1956 9/26/2005 9/23/2004 7/14/1909 7/6/1909 7/6/1909 9/26/2005

42 43 43 43 43 43 43 43 43

72 72 72 72 72 72 72 72 72

1 1 1 1 2 11 11 11 12

6 16 7 15 0 2 2 2 10

THOMAS & LEAH EDWARDS E. E. STUART ESTATE E. E. STUART PAUL R. STUART REVOCABLE TRUST PAUL STUART BURTON L. RENO BERTON L. RENO BURTON L. RENO PAUL R. STUART REVOCABLE TRUST

ADJ PUO PUO UNA UNA PUO PUD PUD UNA

Draft EIS, Wright Area Coal Lease Applications

S3-41

Supplementary Information on the Affected Environment Table S3-4. Surface Water Rights for West Hilight Field LBA Tract (Continued).
Permit No.
P17372S P17440S P17084S P2347S CR4/255A CR4/257A P15115S P5563S P5937S P2348S CR4/256A P15116S P15117S P15234S P15234S P5928S 11/22/2002 8/20/2003 10/17/2003 10/17/2003 2/27/1967 11/22/2002 5/6/1966 2/27/1967 8/6/1958

Priority
9/26/2005 9/26/2005 9/15/2004 8/6/1958

TNS
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

RNG
72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72

SEC
12 12 14 14 23 23 23 23 23 24 25 25 25 25 25 25

QQ
8 15 7 4 13 2 0 0 0 11 6 0 0 0 11 6

Applicant
PAUL R. STUART REVOCABLE TRUST THOMAS W. & LEAH B. EDWARDS LAWRENCE D. CARLSON**BARBARA A. TUNKS CHELMER WILMOT

Appropriation

Facility Name

Status
UNA UNA UNA PUO

Source
STUART DRAW LITTLE THUNDER CREEK BEFUDDLEMENT DRAW WILMOT DRAW

Uses

USDA, FOREST SERVICE USDA, FOREST SERVICE U.S. DEPT. OF AGRICULTURE, FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE CHELMER WILMOT USDA, FOREST SERVICE U.S. DEPT. OF AGRICULTURE, FOREST SERVICE TOM EDWARDS THOMAS W. EDWARDS THOMAS W. EDWARDS USDA FOREST SERVICE

WILMOT #F.S.9-266-4 STOCK RESERVOIR WILMOT #F.S.9-266-6 STOCK RESERVOIR

PUO PUO UNA ADJ ADJ PUO NICHOLSON DRAW NICHOLSON DRAW BRANAMAN DRAW QUICKSAND DRAW

STO STO

WILMOT #F.S.9-266-5 STOCK RESERVOIR

PUO UNA UNA UNA UNA PUO DOUGLAS DRAW EAST RIDGE DRAW LITTLE ANTELOPE CREEK LITTLE ANTELOPE CREEK DOUGLAS DRAW

STO

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment
Notes for Non Mining-related Surface Water Rights within Three Miles of the West Hilight Field LBA Tract Search Conducted October 9, 2007 Surface Water Right Township 42N 42N 42N 43N 43N 43N 44N 44N 44N Search Area: Range Sections 70W 6-7, 18 71W 1-18 72W 1-2, 12 70W 6-7, 18-19, 71W 1-36 72W 1-2, 11-14, 70W 30-31 71W 25-36 72W 25, 35-36

30-31

23-26, 35-36

Water rights were searched to the nearest quarter-quarter of each section listed above. Any part of a quarter-quarter that lies within three miles of the LBA tract is included. Record suffixes are denoted as follows: "A" Adjudicated (finalized) rights; unless the right is a territorial appropriation, there will be a match in the reference column from one of the following permit types for the unadjudicated portion "D" Ditch or pipeline permit "E" Enlargement of a ditch or pipeline permit "R" Reservoir permit "S" Stock reservoir permit Status Codes ABA Abandoned A&C Abandoned and Cancelled ADJ Adjudicated AME Amended (moved) CAN Cancelled DSC Description EXP Expired ELI Eliminated REJ Rejected GST Good standing PU Point of use non irrigation (not actual status) PUD Point of diversion (not actual status) PUO Point of reservoir outlet (not actual status) TEM Temporary TRA Transferred UNA Unadjudicated Use Codes DOM Domestic RES Reservoir supply

IRR STO

Irrigation Stock

Approximately 49 separate water rights with a status code of ABA, A&C, AME, CAN, ELI, EXP, REJ, or TRA have been eliminated from the search area listing provided above (including those belonging to the mining companies), as none of these use codes represent a valid current right. The following quarter-quarters are designated by the “QQ” field: 1 NE¼NE¼ 9 NE¼SW¼ 2 NW¼NE¼ 10 NW¼ SW¼ 3 SW¼NE¼ 11 SW¼ SW¼ 4 SE¼NE¼ 12 SE¼ SW¼ 5 NE¼NW¼ 13 NE¼SE¼ 6 NW¼NW¼ 14 NW¼SE¼ 7 SW¼NW¼ 15 SW¼SE¼ 8 SE¼NW¼ 16 SE¼SE

Draft EIS, Wright Area Coal Lease Applications

S3-43

Supplementary Information on the Affected Environment S3-6 ALLUVIAL VALLEY FLOORS Under the Surface Mining Control and Reclamation Act of 1977 (SMCRA), surface coal mining operations that would interrupt, discontinue, or preclude farming on alluvial valley floors (AVFs) is prohibited unless the affected AVF is undeveloped rangeland that is not significant to farming or if the affected AVF is of such small acreage that it would have a negligible impact on a farm’s agricultural production. These restrictions also apply if AVFs that are downstream of the area proposed for mining would be affected by disruptions in streamflow. Provided Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD) determines that an AVF is not significant to agriculture, it can be disturbed by mining but must be restored as part of the reclamation process. For any designated AVF, regardless of its significance to agriculture, it must be demonstrated that the essential hydrologic functions of the AVF, both within and outside the mine area, will be protected. WDEQ regulations define AVFs as unconsolidated stream laid deposits where water availability is sufficient for subirrigation or flood irrigation agricultural activities. Guidelines established by the Office of Surface Mining Reclamation and Enforcement (OSM) and WDEQ/LQD for the identification of AVFs require detailed studies of geomorphology, soils, hydrology, vegetation, and land use. These studies are used to identify: 1) the presence of unconsolidated stream laid deposits, 2) the possibility for artificial flood irrigation, 3) past and/or present flood irrigation, and 4) apparent subirrigated areas and the possibility for natural flood irrigation. Areas that are identified as AVFs following these studies are evaluated for their significance to farming by WDEQ/LQD. In a decision by the U.S. District Court for the District of Columbia, Civil Action Number 69-1144 (1980) (known as the Flannery Decision), the court noted that an AVF must satisfy both geologic criteria (unconsolidated stream laid deposits) and hydrologic criteria (water sufficient to sustain agriculture). Therefore, the court emphasized that the key to the existence of an AVF is the presence of both geologic and water availability characteristics, which together sustain agricultural activities. Little Thunder Creek and its tributaries drain most of the LBA tract’s general analysis area. Dry Fork Little Thunder Creek, a second order, southeastflowing ephemeral tributary of North Prong Little Thunder Creek, drains the northern-most portion of the LBA tract. The north-central portion of the LBA tract does not contribute runoff to any stream and drains to natural topographic depressions. The southern portion of the LBA tract’s general analysis area is drained by Little Thunder Creek and its tributary, Briggs Draw. A short reach of the Little Thunder Creek channel crosses the central portion of the LBA tract’s general analysis area. All streams within and adjacent to the LBA tract are typical for the region, in that flow events are ephemeral. Stream runoff is typically of short duration and exhibits temporal patterns similar to precipitation events. All ephemeral streams in the region show the characteristic extreme low-flow period from October through January. Flow S3-44 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment events frequently result from snowmelt during the late winter and early spring. During the spring, general storms (both rain and snow) are more frequent; hence increasing soil moisture and decreasing infiltration capacity and subsequent rainstorms can result in higher runoff volumes and peak discharges. Mapping of the area’s surficial geology (Reheis and Coates 1987, Moore and Coates 1978, Coates 1978a) shows that alluvial deposits within the LBA tract’s general analysis area occur only along the channels of Little Thunder Creek and its tributary, Black Butte Draw (Figure S3-3), and these materials are comprised of stream-channel and overbank deposits. Due to its limited areal extent, limited saturated thickness, and low hydraulic conductivity, these alluvial deposits do not consistently produce enough water to be put to beneficial use. Available water quality data indicate that groundwater from the valley fill deposits of Little Thunder Creek and North Prong Little Thunder Creek does not meet the WDEQ/WQD standards for domestic and agricultural uses and is marginal or fails to meet the standards for livestock and wildlife use, depending on the location (TBCC 2007). Surface water quantity and quality are insufficient to support agricultural activities. Little Thunder Creek and its tributaries within and extending a half mile beyond Black Thunder Mine’s existing permit boundary have been investigated for the presence of AVFs by TBCC. Those investigations concluded, and WDEQ has concurred, that no AVFs exist along Little Thunder Creek within the South Hilight Field LBA Tract. Little Thunder Creek has not been formally investigated for the presence of AVFs within the general analysis area for the West Hilight Field LBA Tract; however, based on previous non-AVF declarations made on Little Thunder Creek immediately downstream of the West Hilight Field tract, and the fact that the stream is smaller and AVF characteristics (i.e., extent of alluvial deposits, water availability, and water quality) are negligible, it is unlikely that the stream would have the characteristics an AVF in the West Hilight Field tract. The declared AVF at the North Prong Little Thunder Creek and Little Thunder Creek confluence is located roughly 7 miles downstream from the West Hilight Field LBA Tract and would not be affected by mining and reclamation within the tract. Other drainages on the West Hilight Field tract are much smaller and AVF characteristics are negligible. Few stream laid deposits are present; the streams do not consistently produce enough runoff to be put to beneficial use, and the soils that dominate the drainage bottoms within the general analysis area are classified by the Natural Resource Conservation Service (NRCS) as unsuitable for irrigation. In addition, there are no present or historical records of agricultural use, other than undeveloped range land, of the stream channels and associated stream laid deposits within the general analysis area for the tract. There are some areas within the LBA tract’s general analysis area that have been used as hayland. In years with sufficient precipitation, grass hay (crested wheatgrass) is harvested. Production from these fields is solely driven Draft EIS, Wright Area Coal Lease Applications S3-45

Supplementary Information on the Affected Environment by early season precipitation; none is due to flood irrigation (artificial or natural) or subirrigation. If the West Hilight Field LBA Tract is leased and proposed for mining, an AVF assessment would be part of the mine permitting process, although it is unlikely that the WDEQ/LQD would declare that an AVF is present. S3-7 WETLANDS The federal and state regulatory programs, which are administered by the U.S. Army Corps of Engineers (COE) and Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD), respectively, that require special permitting procedures to assure that after mining there are no net loss of wetlands are described in Section S1-7. A description of wetland types and Other Waters of the United States (OWUS) from a permitting perspective is also given in Section S1-7. A preliminary wetlands inventory of the general analysis area for the West Hilight Field LBA Tract was conducted by Knight Technologies Inc. (KTI), of Gillette, Wyoming, in 2007. This inventory was based on United States Fish and Wildlife Service (USFWS) National Wetland Inventory (NWI) mapping (1980), review of color-infrared orthophotography maps (2001), and visual field reconnaissance of vegetation and hydrology indicators. Figure S3-4 depicts the USFWS NWI mapping within the general analysis area (wetlands analysis area) for the West Hilight Field LBA Tract. KTI’s initial field reconnaissance indicated that wetland areas mapped by the USFWS NWI in 1980 have been altered due to coal bed natural gas (CBNG) related water production within and upstream of the tract’s general analysis area. This preliminary assessment identified the presence of several categories of wetlands and OWUS. The categories consisted of dry ephemeral drainages and the following USFWS wetland habitat classifications:
  

Palustrine emergent (PEM), Palustrine aquatic bed (PAB), and Palustrine unconsolidated (PU).

Within the entire general analysis area for the West Hilight Field LBA Tract (9,188.6 acres), the preliminary wetland inventory identified a total of 262.7 acres of wetlands and OWUS. These wetlands and OWUS were found within five general land categories: ephemeral streams, playas, ponds/reservoirs, isolated depressions, and excavated upland areas. Of these 262.7 acres, approximately 252.8 acres are vegetated wetlands that consist of approximately 240.6 acres of palustrine emergent herbaceous wet meadow or marsh and approximately 12.2 acres of palustrine aquatic beds located along ephemeral stream channels and around ponds, playas and depressions. The remaining 9.9 acres are channel and pond OWUS (open water in Little Thunder Creek and Little Thunder Reservoir). Little Thunder Creek was initially classified as a S3-46 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment
R. 71 W. T. 44 N. T. 43 N.
31 32 33 34 35

T. 44 N. T. 43 N.

LEGEND
Existing Black Thunder Mine Federal Coal Leases West Hilight Field LBA Tract Wetlands Analysis Area Boundary Wetlands Areas (i.e., broad depressions, PEMA stock pond areas)
PEMA

PEMA PEMA
7 8

PEMA

PEMCh PABFh
9

PABFh PEMAh

PEMA PEMA
10

Linear Wetlands (i.e., narrow ephemeral drainage channels)

PEMAh PEMA PEMA PEMA

PABFh
PEMAh

PEMB PEMA PUBFx PEMA

PEMA PEMAh PABFh
PEMA PEMC
18

USFWS NWI Map Classification Codes
PABF

Palustrine, Aquatic Bed, Semipermanently Flooded Palustrine, Aquatic Bed, Semipermanently Flooded, Diked/Impounded

PEMA
16

PUBFx
PEMA PEMA
15 14

PEMA PEMA PEMA
17

PABFh

PABF

PEMA PEMAh PEMA PABFh PEMA PEMA PEMA

PABFh

PEMA PEMA
21

Palustrine, Emergent, Temporarily Flooded Palustrine, Emergent, Temporarily PEMAh Flooded, Diked/Impounded
PEMA

PEMA PUSCh

22 23

PABFh PEMA
19

PEMC

PEMA

PEMAh PEMAh

PEMA PEMA PEMA

PABF PUBFx PABF PABFh PEMA PEMA

PABF PEMA PABF PEMA PABF PEMA PEMC PABFh PEMA PEMA PEMAx
27 26

Palustrine, Emergent, Temporarily Flooded, Excavated PEMB Palustrine, Emergent, Saturated Palustrine, Emergent, Seasonally PEMC Flooded Palustrine, Emergent, Seasonally PEMCh Flooded, Diked/Impounded
PEMAx

PEMAh
30 29

Palustrine, Unconsolidated Bottom, Semipermanently Flooded, Excavated Palustrine, Unconsolidated Shore, PUSCh Seasonally Flooded, Diked/Impounded
PUBFx

PEMAh PEMA PEMAh

PABFh PEMA

USFWS NWI Mapping (1980)

PEMA PEMAh PEMA PEMA
34 35

T. 43 N. T. 42 N.

PEMA

PEMC PEMAh PEMAh PEMA
6 5 4

T. 43 N. T. 42 N.

0 7 8 9 10 11

2500

5000

10000

R. 71 W.

GRAPHIC SCALE (FEET)

Figure S3-4. Wetlands Within the General Analysis Area for the West Hilight Field LBA Tract.

Draft EIS, Wright Area Coal Lease Applications

S3-47

Supplementary Information on the Affected Environment palustrine wetland (PEMA on Figure S3-4) by NWI, but currently meets the classification of a riverine, streambed system that is being influenced by CBNG discharge water. Open water or PAB areas typically support a fringe of area classified as PEM wetlands. At this time, a distinction has not been made between jurisdictional and nonjurisdictional acreages of wetlands and OWUS since only the COE has the authorization to make such determination following the submittal and review of a formal wetland delineation as part of the permitting process. A wetland delineation would be conducted and submitted to the COE with a formal Section 404 Jurisdictional Determination request as part of the WDEQ/LQD mine permitting process. S3-8 SOILS The general analysis area for the West Hilight Field LBA Tract has been subjected to Order 1-2 and/or Order 3 soil surveys in the recent past. Those surveys being:




Sections 10, 15 and 22, T.43N., R.71W., were mapped during the baseline Order 1-2 soil survey of the Little Thunder Amendment Area of the Black Thunder Mine, which is part of its existing approved WDEQ/LQD mine permit. The remainder of the LBA tract’s general analysis area has been covered by the National Resource Conservation Service (NRCS) Order 3 soil survey of southern Campbell County (Prink et al. 2004).

The Order 1-2 soil survey was completed in accordance with WDEQ/LQD Guideline No.1, which outlines required soils information necessary for a coal mining operation. The WDEQ inventories included field sampling and observations at the requisite number of individual sites, and laboratory analysis of representative collected samples. Soils within the analysis area were identified by series, which consist of soils that have similar horizons in their profile. Horizons are soil layers having similar color, texture, structure, reaction, consistency, mineral and chemical composition, and arrangement in the profile. NRCS Order 3 mapping is completed according to national guidelines and standards. This scale of mapping, i.e., 40 acre minimum size delineation of soil map unit polygons, is much larger than the WDEQ surveys. Soils vary depending upon where and how they were formed. Major factors involved in the formation of soils include whether or not the material was transported and how the material was weathered during transportation. Four primary soil formation processes causing different soil types were noted: 1) those soils developing predominantly in thin residuum from sandstone or shale on upland ridges, 2) those soils developing predominantly in slopewash, colluvium, or alluvial fan deposits from mixed sources on gently sloping S3-48 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment uplands, 3) those soils developing predominantly in coarse-textured alluvium or sandy eolian deposits on rolling uplands, and 4) drainage soils developing in mixed stream laid alluvium on terraces and channels, and in fine-textured playa deposits in depressions and closed basins. The soil depths and types in the general analysis area for the West Hilight Field tract are similar to soils currently being salvaged and utilized for reclamation at the neighboring Black Thunder and Jacobs Ranch mines, as well as other mines in the eastern PRB. The following is a list of the soil types delineated in the tract’s BLM study area (note that some series determinations have changed since the original surveys were completed). The major soils series encountered within the soil survey area were grouped according to the primary soil formation processes and are listed as follows: Soils developing predominantly in thin residuum from sandstone or shale on upland ridges and hills
   

Shallow Entisols Worf loam, 3 to 15 percent slopes Shingle loam, 3 to 10 percent slopes Renohill-Shingle-Worf Complex, 3 to 15 percent slopes

Soils developing predominantly in colluvium or alluvial fan deposits from mixed sources on gently sloping uplands
                     

Arvada, thick surface very fine sandy loam, 0 to 6 percent slopes Arvada thick surface-Arvada-Slickspots Complex, 0 to 6 percent slopes Arvada (Absted) thick surface, 0 to 3 percent slopes Bidman-Parmleed loams, 0 to 6 percent slopes Bidman-Parmleed loams, 6 to 15 percent slopes Bidman-Ulm loams, 0 to 6 percent slopes Forkwood-Cushman loams, 0 to 6 percent slopes Forkwood-Ulm loams, 0 to 6 percent slopes Forkwood loam, 0 to 6 percent slopes Theedle-Kishona-Shingle loams, 3 to 30 percent slopes Ulm-Renohill clay loams, 0 to 6 percent slopes Cushman loam, 0 to 6 percent slopes Forkwood loam, 0 to 6 percent slopes Renohill fine sandy loam, 0 to 6 percent slopes Bidman loam, 0 to 6 percent slopes Ulm loam, 0 to 8 percent slopes Parmleed (Briggsdale) loam, 0 to 6 percent slopes Theedle loam, 0 to 6 percent slopes Heldt clay loam, 0 t0 6 percent slopes Savageton clay loam, 6 to 15 percent slopes Pugsley fine sandy loam, 0 to 10 percent slopes Renohill-Savageton clay loams, 6 to 15 percent slopes S3-49

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Soils developing predominantly in coarse-textured residuum, alluvium and sandy eolian deposits on rolling uplands
         

Hiland-Bowbac fine sandy loams, 6 to 15 percent slopes Maysdorf fine sandy loam, 0 to 6 percent slopes Bowbac fine sandy loam, 0 to 6 percent slopes Hiland (Olney) fine sandy loam, 0 to 6 percent slopes Bowbac fine sandy loam, 6 to 15 percent slopes Hiland (Olney) fine sandy loam, 6 to 15 percent slopes Keeline-Tullock-Niobrara, dry complex, 3 to 30 percent slopes Maysdorf-Pugsley fine sandy loam, 0 to 6 percent slopes Maysdorf-Pugsley sandy loams, 6 to 15 percent slopes Vonalee sandy loam, 3 to 10 percent slopes

Drainage soils developing in mixed stream laid alluvium on terraces and channels and in fine-textured playa deposits in depressions and closed basins
 

Felix clay, ponded, 0 to 2 percent slopes Aeric Fluvaquents, 0 to 3 percent slopes

Table S3-5 provides the extent of five depth classes of suitable topsoil within the BLM study area. Table S3-5. Acres of Topsoil Available for Reclamation Within the BLM Study Area for the West Hilight Field LBA Tract. Thickness of Suitable Topsoil (inches) 0 0 – 12 12 – 30 30 – 48 48 – 60 Water Total Acres 124.66 1,859.64 1,380.79 4,056.17 300.28 51.91 7,773.44 Percent 1.5 23.8 17.7 52.2 3.8 1.0 100.0

The West Hilight Field LBA Tract baseline soils analysis, in conjunction with the county-wide NRCS soil survey, indicates that the amount of suitable topsoil that would be available for redistribution on all disturbed acres within the analysis area during reclamation would have an average depth of 2.3 feet. Areas of unsuitable soils include sites with high alkalinity, salinity or clay content. The tract is expected to have adequate quantity and quality of soil for reclamation. Both the NRCS Order 3 soil survey and the Order 1-2 soil survey have located hydric soils, which are one component used in identifying wetlands.

S3-50

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment S3-9 VEGETATION The vegetation communities in the general analysis area for the West Hilight Field LBA Tract (9,188 total acres) were appraised and mapped by Habitat Management, Inc. of Gillette, Wyoming in 2007 to provide a preliminary assessment. Vegetation within the LBA tract’s general analysis area consists of species common to eastern Wyoming. A total of eight vegetation types have been preliminarily identified and mapped within the LBA tract’s general analysis area. Table S3-6 presents the acreage and percent of the analysis area encompassed by each vegetation type. The vegetation types include Mixed Prairie Grassland, Big Sagebrush Shrubland, Playas, Streamside Grassland, Agricultural Pasture, Saline Bottomland, and variations of these communities. Disturbed lands, reclaimed lands, and reservoir areas were also identified. Table S3-6. Vegetation Types Identified and Mapped Within the West Hilight Field LBA Tract.
Area Applied BLM Study General For Area Analysis Area (Acres) (Percent) (Acres) (Percent) (Acres) (Percent)
456.92 1,262.31 25.11 20.19 28.32 0.00 76.74 28.11 0.00 0.00 385.21 67.05 10.21 8.11 2,368.00 19.29 53.30 1.06 0.85 1.20 0.00 3.24 1.19 0.00 0.00 16.27 2.83 0.43 0.34 100.00 1,518.13 4,131.14 48.35 60.76 139.48 0.00 76.74 36.09 0.00 0.00 770.26 229.05 132.71 43.92 7,187.00 21.12 57.48 0.67 0.85 1.94 0.00 1.07 0.50 0.0 0.00 10.72 3.19 1.85 0.61 100.00 1,669.05 5,505.86 103.66 75.47 170.91 0.00 139.00 68.82 0.00 0.00 1,065.19 184.08 157.64 48.67 9,188.00 18.16 59.92 1.13 0.82 1.86 0.00 1.51 0.75 0.00 0.00 11.59 2.00 1.72 0.53 100.00

In terms of total acres of occurrence in the general analysis area, the predominant vegetation types are Big Sagebrush Shrubland (roughly 60 percent), Mixed Prairie Grassland (roughly 18 percent), and Saline Bottomland (roughly 12 percent). These vegetation types are described as follows:

Draft EIS, Wright Area Coal Lease Applications

S3-51

Supplementary Information on the Affected Environment The Big Sagebrush Shrubland community is characterized by the presence of Wyoming big sagebrush (Artemisia tridentata ssp. Wyomingensis) at a density of 20 percent or greater, and the grasses western wheatgrass (Pascopyrum smithii), blue grama (Bouteloua gracilis), green needlegrass (Nassella viridula), needle and thread (Hesperostipa comata), and crested wheatgrass (Agropyron cristatum). The density of shrubs and grasses varies throughout the area, with some portions consisting of very dense shrubs with minimal grass component and other areas with a lower density of shrubs and a very heavy grass component. Plains prickly pear (Opuntia polyacantha) is also common throughout this community type, and lichen can make a substantial contribution to ground cover particularly in dry years. This community is associated with a wide variety of soil types. The Mixed Prairie Grassland community is characterized by the presence of western wheatgrass, blue grama, green needlegrass, needle and thread, and crested wheatgrass and a low density of shrub species (less than 20 percent). This community frequently occurs on Hiland-Bowbac fine sandy loam soils with 0-6 percent slopes, but can be found on a wide variety of soil types. Saline Bottomland is characterized by the presence of highly compacted, exposed soils, Wyoming big sagebrush, and plains prickly pair, and a low density of grasses, although inland saltgrass (Distichlis spicata) and alkali sacaton (Sporobolus airoides) are found here. This community has been overgrazed and the surface is highly erodible. It occurs almost exclusively on the Arvada, thick surface-Arvada-slickspots soil complex. Playas are distinct, low-lying patches that likely accumulate moisture during times of high precipitation or significant snowmelt. They are essentially absent of any shrub component and are usually either dominated by grasses including inland salt grass and foxtail barley (Hordeum jubatum) or are barren. Many playas have been modified in the center; with a large pond/reservoir excavated for use as either water sources for livestock or containment for CBMG production-associated discharge water. These playas most frequently occur on Felix clay ponded soils with 0-2 percent slopes, although they also occur on other soil types. Streamside Grassland is dominated by inland salt grass, alkali sacaton and some sedge and rush species (Carex spp. and Juncus spp.). Grasses present in the Mixed Prairie Grassland are also found here. Some areas categorized as streamside grassland may include true wetland; however wetlands were not delineated for the purpose of determining vegetation communities. Streamside grassland is most frequently found on the Arvada, thick surface-ArvadaSlickspots soil complex, and the Theedle-Kishona-Shingle loam soils with 3-30 percent slopes, but can be found on several other soil types as well. Agricultural Pasture 1 and 2 are areas that have been historically seeded with crested wheatgrass for agricultural or grazing purposes, and the species has persisted over time. Vegetation communities delineated as Agricultural Pasture 1 have a low shrub component of 0-20 percent and are generally dominated by a crested wheatgrass monoculture. Agricultural Pasture 1 communities may S3-52 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment be currently under use for hay production. Vegetation communities delineated as Agricultural Pasture 2 have a greater shrub component with a density of 20 percent or more, and, although still dominant, the density of crested wheatgrass is reduced and other graminoid species are present. Disturbed lands include roads, areas surrounding active construction sites and mining facilities, oil and gas facilities, and occupied and abandoned homesteads. Several deciduous and/or coniferous trees have been planted around most homestead sites. Reclaimed lands include areas that were recently reclaimed after disturbance for the installation of oil and gas facilities or pipelines, road construction and other activities. Several reservoirs constructed for containment of CBNG discharge water, irrigation and/or livestock use are also present. S3-10 WILDLIFE S3-10.1 Wildlife Resources Background information on wildlife in the vicinity of the West Hilight Field LBA Tract was drawn from several sources, including Wyoming Game and Fish Department (WGFD) and U.S. Fish and Wildlife Service (USFWS) records, the Wyoming Natural Diversity Database (WYNDD), recent PRB federal coal lease application EIS documents (available for public review on Wyoming BLM’s website at http://www.blm.gov/wy/st/en.html), and personal contacts with WGFD and USFWS biologists. Site-specific data for the LBA tract’s general analysis area were obtained from several sources, including WDEQ/LQD mine permit applications and annual wildlife monitoring reports for the nearby coal mines. Due to the proximity of the proposed lease area to the adjacent mines’ (Black Thunder and Jacobs Ranch) permit areas, the general analysis area for the West Hilight Field tract has received some level of coverage annually since the early 1980s. Increasing percentages of the tract’s general analysis area were included in annual monitoring efforts as survey areas for the adjacent mines have been expanding due to previous coal lease acquisitions and subsequent permit area amendments. Baseline and annual wildlife surveys cover a large perimeter around mine permit areas; consequently, a majority of the proposed lease area and adjacent lands have been surveyed for wildlife species as part of the required monitoring surveys for these adjacent mines. In addition, Thunder Basin Coal Company (TBCC) initiated baseline investigations during 2006 and early 2007 expressly for the West Hilight Field LBA Tract with additional surveys targeting the North and South Hilight Field LBA Tracts in 2007 and 2008. The results of site-specific surveys for the entire leased area and appropriate perimeter will be part of the mine permitting process if the lease sale is held and the tract is proposed for mining. Thunderbird-Jones & Stokes (J&S), formerly Thunderbird Wildlife Consulting, Inc. (TWC), of Gillette, Wyoming, has conducted the historical and recent wildlife studies for the Black Thunder Mine, while Intermountain Resources (IR), of Laramie, Wyoming, has conducted the historical and recent wildlife studies specifically for the Jacobs Ranch Mine. Draft EIS, Wright Area Coal Lease Applications S3-53

Supplementary Information on the Affected Environment In an undisturbed condition, the major vegetation types in the tract’s general analysis area provide habitats for many species. Vegetation types tend to occur in a mosaic across the landscape; therefore, many wildlife species can be expected to utilize more than one habitat type. Predominant habitat types classified on the LBA tract and adjacent area correspond with the major plant communities defined by the vegetation survey and consist primarily of sagebrush shrublands (roughly 60 percent of the area), mixed prairie grasslands (roughly 18 percent of the area), and saline bottomlands (roughly 12 percent of the area). Disturbed lands include a network of oil and gas field access roads and areas surrounding oil and gas development activities (i.e., well pads, pipelines, tank batteries), and both active and abandoned ranchingrelated facilities. Reclaimed lands include areas that were recently reclaimed after disturbance for the installation of oil and gas facilities or pipelines, road construction and other activities with varying degrees of recovering vegetation cover. The predominant natural wildlife habitat is shrubland with upland/mixed prairie grassland as the next largest habitat type. Wyoming big sagebrush characterizes the shrubland and native upland grasses of the region (i.e., western wheatgrass, needleandthread, prairie junegrass, blue grama, Sandberg bluegrass, and cheatgrass brome) characterize the mixed prairie grassland. The few trees that exist on the six WAC LBA tracts are largely limited to those planted around homesteads and ranch buildings. No designated critical, crucial, or unique wildlife habitats are present in the area. No perennial streams or other permanent water bodies exist within the general analysis area for the West Hilight Field LBA Tract. S3-10.2 Big Game The two big game species that are common in suitable habitat throughout the general analysis area for the West Hilight Field tract are pronghorn (Antilocapra americana) and mule deer (Odocoileus hemionus). Elk (Cervus elaphus) are frequent winter residents in the area, but spend most of the year in the Rochelle Hills east of the general analysis area. White-tailed deer (Odocoileus virginianus) are transients in the area due to their preference for riparian woodlands and irrigated agricultural lands. No crucial big game habitat or migration corridors are recognized by the WGFD in this area. Crucial range is defined as any particular seasonal range or habitat component that has been documented as the determining factor in a population’s ability to maintain and reproduce itself at a certain level. No significant differences in the occurrence of big game and their habitats within the general analysis areas for the North Hilight Field and West Hilight Field LBA Tract’s exist (refer to Section S1-10.2). The West Hilight Field tract is within the Cheyenne River Pronghorn Herd Unit (Hunt Area 27) and the Thunder Basin Mule Deer Herd Unit (Hunt Area 10) (WGFD 2007a).

S3-54

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment S3-10.3 Other Mammals With the exception of the number and locations of prairie dog colonies, no significant differences in the occurrence of small- and medium-sized mammals and their habitats within the general analysis areas for the North Hilight Field and West Hilight Field LBA Tracts exist (refer to Section S1-10.3). Qualified wildlife biologists with IR and J&S have mapped the current acreage of prairie dog colonies in the vicinity of the Jacobs Ranch and Black Thunder mines, respectively, by walking the perimeters of colonies and delineating them using hand-held global positioning system (GPS) receivers and/or by visually mapping them on topographic maps. Surveys conducted within 2 miles of the general analysis area for the West Hilight Field LBA Tract located eight prairie dog colonies that cover a total of approximately 167.5 acres (the colonies are depicted on Figure 3-34 in the WAC DEIS). Only one colony (approximately 89.1 acres in size) is within the tract’s general analysis area itself (the area likely to be affected by development of the West Hilight Field LBA Tract). The other seven colonies are approximately 0.1, 2.6, 3.4, 7.7, 17.9, 19.5, and 27.2 acres in size. S3-10.4 Raptors Raptor species that are known to commonly nest in the general Wright analysis area are discussed in Section S1-10.4. The raptor monitoring areas for the Black Thunder and Jacobs Ranch mines include their respective permit areas and a surrounding 1- or 2-mile perimeter. Due to the proximity of the West Hilight Field LBA Tract to those adjacent mine survey areas, the tract’s entire general analysis area and most of the wildlife survey area for West Hilight Field LBA Tract have been included in annual monitoring surveys since the early 1980s. Previous information regarding nests, including their historical use by nesting raptors is available in the mines’ permit applications and annual wildlife monitoring reports. Figure 3-34 in the WAC DEIS document depicts the locations of raptor nests identified within the West Hilight Field tract’s wildlife survey area, which includes the tract’s general analysis area and a 2-mile perimeter encompassing the general analysis area. Over time, raptors have built new nests and natural forces have destroyed many nests, while others have been relocated for mitigation or removed by mining activities. In some cases, nests have been created to mitigate other nest sites impacted by mining operations at this mine. A total of six raptor species have nested within the combined North, South, and West Hilight Field wildlife survey areas. Five of those six species have regularly nested within this area since annual monitoring began. Swainson’s hawks began nesting in the area more recently, and have been a consistent breeder ever since. Based on sightings of young, it is likely that at least one pair of American kestrels nested in one of the many small cavities present in the snags Draft EIS, Wright Area Coal Lease Applications S3-55

Supplementary Information on the Affected Environment along Little Thunder Creek. There is overlap between these three tracts’ study area boundaries, and as such, there is overlap in the reporting of raptor nests on the wildlife figures and in the North, South, and West Hilight Field tract discussions. In addition, due to the West Jacobs Ranch LBA Tract’s proximity to the three Hilight Field LBA Tracts, there is also an overlap in the reporting of raptor nests. The number of nests recorded within each of the wildlife survey areas are addressed separately in this supplemental information document, as well as in Section 3.10 of the WAC DEIS document. During surveys completed in 2007 by J&S, a total of 42 intact raptor nests (26 ferruginous hawk nests, three Swainson’s hawk nests, three burrowing owl nest sites, two platform nests erected for ferruginous/red-tailed hawks, one platform nest erected for golden eagles, and four nests that have been used by multiple raptor species) were present within 2 miles of the general analysis area for the West Hilight Field LBA Tract (see Figure 3-34 in the WAC DEIS for locations). Eight intact nests were within the general analysis area (six ferruginous hawk, one burrowing owl, and one golden eagle nest), no intact nests were present within the LBA tract as applied for, and two intact ferruginous hawk nests were within the area added by Alternative 2. Three of the eight intact nests within the tract’s general analysis area were active during 2007. The remaining 34 intact nests were within 2 miles of the tract’s general analysis area. S3-10.5 Upland Game Birds Upland game bird species that have historically been documented in the general Wright analysis area are discussed in Section S1-10.5. The historical and recently conducted sage-grouse surveys conducted by the three applicant coal mines specific to this EIS are also discussed in Section S1-10.5. Despite the prevalence of sagebrush in the combined wildlife survey areas for the North, South and West Hilight Field LBA Tracts, sage-grouse numbers were never especially high in the area. Five sage-grouse leks are located on and within 2 miles of the North, South, and West Hilight Field tracts’ general analysis areas: Stuart I, Stuart II, Black Thunder, Butch, and Hansen Lakes. Two sage-grouse leks have been documented on and within 2 miles of the West Hilight Field general analysis area: Stuart I and Stuart II (Figure 3-34). The Stuart II lek is located within the LBA tract as applied for, and the Stuart I lek is located approximately 1.3 miles west of the general analysis area for the West Hilight Field LBA Tract. The Stuart II lek was monitored by the WGFD and/or USFS at approximately three-year increments from 1979 through 2004. The highest number of grouse ever recorded during that period was seven in 1991. That was also the last year when grouse were confirmed at the lek. The Stuart II lek has been monitored by private consultants in each of the last four years (2005 through 2008) and no grouse were observed. The Stuart I lek was discovered in 1977. The lek was monitored in three of the following four years, and was active in each survey year. Monitoring efforts were reduced to every S3-56 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment third year (WGFD standard timing) from 1982 through 2003; annual monitoring began in 2004. Grouse were observed in only one of the monitoring years from 1982 through 2007. Two males were recorded at the Stuart I lek in 1991 and that was the last year when grouse or sign were confirmed at the lek. No sage-grouse have been recorded at the Stuart I and II leks for over 10 years; however, not enough consistent data have been collected to classify either as abandoned. Both Stuart I and Stuart II leks are now classified “undetermined” (insufficient information to designate the leks as unoccupied). Because the two Stuart leks were not monitored annually, their management status is “undetermined”, despite consistently low counts when surveys did occur. No other leks have been documented within the wildlife study area for the West Hilight Field LBA Tract. S3-10.6 Migratory Bird Species of Management Concern in Wyoming Surveys conducted by the Black Thunder Mine for migratory birds of concern are discussed in Section S1-10.6. Thirty of the 40 listed Level I and II species have historically been observed within northeastern Wyoming (Latilong 13) and 18 species have been recorded in the vicinity of the West Hilight Field LBA Tract (Table S3-7). The USFWS considers Level I species as in need of conservation action, which includes having a monitoring and mitigation plan for those birds. The 16 Level I and II species that historically have been recorded, or are suspected of nesting in the West Hilight Field general analysis area include the Greater sage-grouse, McCown’s longspur, ferruginous hawk, Brewer’s sparrow, Swainson’s hawk, short-eared owl, burrowing owl, upland sandpiper, lark bunting, chestnutcollared longspur, sage thrasher, grasshopper sparrow, loggerhead shrike, vesper sparrow, lark sparrow, and merlin. The other non-nesting species documented less often and that have only been observed as migrants in the area include the long-billed curlew and bald eagle. Table S3-7. Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the West Hilight Field LBA Tract.
Species1 (Scientific Name) Seasonal Status/Breeding Historical Occurrence in the Vicinity of the Records in Northeastern WY1 LBA2 LEVEL I (species need conservation action) Summer/Breeder Not Expected Resident/Breeder Summer/Breeder Summer/Observed Resident/Breeder Uncommon Uncommon Not Expected Common Occurrence and Status in the LBA in 20073 None None None None Non-breeder

Mountain plover (Charadrius montanus) Greater sage-grouse (Centrocercus urophasianus) McCown’s longspur (Calcarius mccownii) Baird’s sparrow (Ammodramus bairdii) Ferruginous hawk (Buteo regalis)

Draft EIS, Wright Area Coal Lease Applications

S3-57

Supplementary Information on the Affected Environment Table S3-7. Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the West Hilight Field LBA Tract (Continued).
Species1 (Scientific Name) Seasonal Historical Occurrence in Status/Breeding Records in the Vicinity of the Northeastern WY1 LBA2 LEVEL I (species need conservation action) Summer/Breeder Common Summer/Breeder Summer/Breeder Summer/Observed Resident/Breeder Resident/Observed Summer/Breeder Resident/Breeder Summer/Breeder Not expected Common Uncommon Uncommon Not expected Common Common Uncommon Occurrence and Status in the LBA in 20073 Breeder None Non-breeder None None None Non-breeder None None

Brewer’s sparrow (Spizella breweri) Sage sparrow (Amphispiza belli) Swainson’s hawk (Buteo swainsoni) Long-billed curlew (Numenius americanus) Short-eared owl (Asio flammeus) Peregrine falcon (Falco peregrinus) Burrowing owl (Athene cunicularia) Bald eagle (Haliaeetus leucocephalus) Upland sandpiper (Bartramia longicauda) Cassin’s kingbird (Tyrannus vociferans) Lark bunting (Calamospiza melanocorys) Dickcissel (Spiza americana) Chestnut-collared longspur (Calcarius ornatus) Black-chinned hummingbird (Archilochus alexandri) Pygmy nuthatch (Sitta pygmaea) Marsh wren (Cistothorus palustris) Western bluebird (Sialia mexicana) Sage thrasher (Oreoscoptes montanus) Grasshopper sparrow (Ammodramus savannarum) Bobolink (Dolichonyx oryzivorus) Common loon (Gavia immer) Black-billed cuckoo (Coccyzus erythropthalmus) Red-headed woodpecker (Melanerpes erythrocephalus) Yellow-billed cuckoo (Coccyzus americanus) Eastern screech-owl (Megascops asio) Western screech-owl (Megascops kennicottii)

LEVEL II (species need monitoring) Never Recorded Not Expected Summer/Breeder Summer/Observed Summer/Breeder Never Recorded Never Recorded Never Recorded Summer/Breeder Summer/Breeder Summer/Breeder Summer/Observed Summer/Observed Never Recorded Summer/Breeder Summer/Observed Never Recorded Never Recorded Common Not Expected Uncommon Not Expected Not Expected Not Expected Not Expected Uncommon Uncommon Not Expected Not Expected Not Expected Not Expected Not Expected Not Expected Not Expected

None Breeder None None None None None None None None None None None None None None None

S3-58

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S3-7. Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the West Hilight Field LBA Tract (Continued).
Species1 (Scientific Name) Seasonal Historical Occurrence in Status/Breeding Records in the Vicinity of the Northeastern WY1 LBA2 LEVEL II (species need monitoring) Not Expected Never Recorded Summer/Breeder Summer/Breeder Summer/Breeder Summer/Observed Never Recorded Resident/Breeder Never Recorded Summer/Observed Common Common Uncommon Not Expected Not Expected Uncommon Not Expected Not Expected Occurrence and Status in the LBA in 20073 None None Breeder None None None None None None

Western scrub-jay (Aphelocoma californica) Loggerhead shrike (Lanius ludovicianus) Vesper sparrow (Pooecetes gramineus) Lark sparrow (Chondestes grammacus) Ash-throated flycatcher (Myiarchus cinerascens) Bushtit (Psaltriparus minimus) Merlin (Falco columbarius) Sprague’s pipit (Anthus spragueii) Barn owl (Tyto alba)
1 2

Latilong 13 – Atlas of Birds, Mammals, Amphibians, and Reptiles in Wyoming (Cerovski et al. 2004). Historical Occurrence/Status in the West Hilight Field LBA survey area is based on records from annual monitoring conducted at the Black Thunder and Jacobs Ranch mines from 1993 through 2007. Sighting records were derived from actual occurrence on or within ½ mile of the LBA tract and the Alternative 2 tract configuration area or from observations related to Black Thunder and Jacobs Ranch mines’ baseline and annual monitoring.

S3-10.7 Other Species Refer to Section S1-10.7. S3-11 LAND USE AND RECREATION A majority (approximately 60 percent) of the surface estate on the West Hilight Field LBA Tract as applied for and the area added under Alternative 2 (the BLM study area) is privately owned, and nearly 40 percent of the tract’s BLM study area is owned by the U.S. Department of Agriculture and administered by the Forest Service (USFS). The surface ownership of the West Hilight Field tract is shown in detail on Figure 3-42 and the distribution of surface ownership is given in Table 3-14 in the WAC DEIS document. Livestock grazing is the primary land use within the BLM study area for the LBA tract, while oil and gas production, wildlife habitat, and recreation are secondary land uses. Areas of disturbance within and near the West Hilight Field tract include roads, oil and gas wells and associated production facilities, surface mine-related facilities and activities, and activities associated with ranching operations. State Highway 59, which runs north-south, is located about 2½ miles west of the LBA tract, and State Highway 450, which runs east-west, borders the northern edge of the West Hilight Field LBA Tract. Hilight Road (County Road 52) borders the eastern edge of the West Hilight Field Tract configured under Alternative 2, and it provides public and private access within and near the Draft EIS, Wright Area Coal Lease Applications S3-59

Supplementary Information on the Affected Environment tract. Several unnamed two-track roads also traverse and provide private and public access within and near the proposed lease area. The Burlington Northern Santa Fe & Union Pacific (BNSF & UP) railroad right-of-way (ROW) is adjacent to the eastern edge of the Hilight Road ROW (Figure 3-1, in the WAC DEIS document). The oil and gas estate within the West Hilight Field LBA Tract as applied for and the area added under Alternative 2 is federally and privately owned, with the majority (approximately 63.5 percent) being federally owned. The ownership of the West Hilight Field oil and gas estate is shown in the WAC DEIS document on Figure 3-48. A listing of the current federal oil and gas lessees of record is included as Table 3-17 in the WAC DEIS document. According to the Wyoming Oil and Gas Conservation Commission (WOGCC) records as of May 14, 2008, there were two conventional gas wells on lands included in the West Hilight Field LBA Tract as proposed and the lands added under Alternative 2 that were producing or capable of producing and four oil wells had been plugged and abandoned (refer to Figure 3-48 in the WAC DEIS document for locations). The most recent conventional oil and gas wells in the general analysis area were drilled in 1984 (WOGCC 2008a). Conventional oil and gas wells capable of production within the BLM study area for the West Hilight Field tract are listed in Appendix E of the WAC DEIS document. According to the WOGCC records as of May 14, 2008, 38 coal bed natural gas (CBNG) wells were producing and nine CBNG wells were shut-in within the lands encompassed by the West Hilight Field LBA Tract as applied for and the lands added under Alternative 2 (refer to Figure 3-48 in the WAC DEIS document for locations). Extensive CBNG development has occurred on lands surrounding the tract as well. CBNG wells capable of production within the BLM study area for the West Hilight Field LBA Tract are listed in Appendix E of the WAC DEIS document. Refer to the discussion on mining and recreational land uses in the general Wright analysis area within Section S1-11. S3-12 CULTURAL RESOURCES The entire general analysis area for the West Hilight Field LBA Tract has been intensively surveyed at a Class III level. Cultural resource inventories in this area began in the early 1980s and continued with numerous projects associated with oil and gas field development as well as surface mining operations throughout the 1990s and 2000s. Thunder Basin Coal Company, LLC (TBCC) contracted with GCM Services, Inc., of Butte, Montana to perform Class I inventories of all previous surveys and Class III surveys of all unsurveyed areas within the general analysis area for the West Hilight Field LBA Tract. GCM completed the Class III level inventory of the tract’s general analysis area in the summer of 2007 (reports not yet accessioned by the SHPO). The 2007 survey included a total of approximately 6,840 acres within S3-60 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment the combined general analysis areas for the North, South and West Hilight Field LBA Tracts. A review of the Wyoming Cultural Resource Information System (WYCRIS) produced information from a total of 24 large-scale (40-acres or larger) Class III cultural resource inventory projects that have been conducted within the general analysis areas for the West and South Hilight Field tracts. Sixteen large-scale studies encompass the West Hilight Field tract and 17 studies encompass the South Hilight Field tract (many of these studies occur in both tracts). In addition, several small-scale inventories were reported in these areas. Small-scale inventories include seismic grids, well pads, access routes, utility corridors and drill holes associated with oil and gas development. These small projects were not listed in the large block inventory summary table (Table S3-8); however, any sites associated with small projects are included on the site summary table (Table S3-9). Table S3-8. Large Block Class III Cultural Resource Inventories Within the General Analysis Area for the West Hilight Field LBA Tract.
Survey Organization GCM Services Location T42N, R71W, Section 3, NN T42N, R71W, Section 4, NENE T43N, R71W, Section 7, EE T43N, R71W, Section 8, NENE T43N, R71W, Section 8, all T43N, R71W, Section 9, all Year 2007 Project Name TBCC W., S. and N. Hilight Amendment Area Fiddleback Land Exchange

Accession No. not accessioned

95 594

GCM Services

1995

not accessioned

GCM Services

2007

TBCC W., S. and N. Hilight Amendment Area Rochelle Lake POD CBM

1 334 0

Pronghorn Archaeological Services Arcadis

2001

1 1767 2

2001

Thunderhead III POD CBM

1 334 0

Pronghorn Archaeological Services Archaeological Services

2001

Rochelle Lake POD CBM

81 798

T43N, R71W, Section 9, SESE T43N R71W Section 10 E T43N, R71W, Section 10, all

1981

Rochelle Lake Fed 1 Well Pad

0 1541 0

GCM Services

2000

TBCC- Little Thunder Creek LBA addition

0 1541 3

GCM Services

2001

TBCC- Little Thunder Creek Amendment Area

Draft EIS, Wright Area Coal Lease Applications

S3-61

Accession No. 1-1845

1 334 0

Pronghorn Archaeological Services GCM Services

2001

Rochelle Lake POD CBM

0 1541 3

T43N, R71W Section 15, all T43N, R71W, Section 16, all

2001

TBCC- Little Thunder Creek Amendment Area

6-1648

GCM Services

2006

TBCC- original W. Hilight LBA

1 1537 0

Pronghorn Archaeological Services Pronghorn Archaeological Services

T43N, R71W, Section 17, NNW, SENW T43N, R71W, Section 17, SW, SWNW, NE T43N, R71W, Section 17, SE T43N, R71W, Section 18, S T43N, R71W, Section 18, ESE T43N R71W Section 18EE T43N, R71W, Section 19, EE T43N, R71W, Section 20, all T43N, R71W, Section 21, W T43N, R71W Section 21, E

2001

Little Thunder Drainage POD CBM

98 1488 2

1998

Little Thunder Block Survey

6-1648

GCM Services

2006

TBCC- original W. Hilight LBA

1 1767 2

Arcadis

2001

Thunderhead III POD CBM

98 1488 2

Pronghorn Archaeological Services GCM Services

1998

Little Thunder Block Survey

not accessioned

2007

TBCC W., S. and N. Hilight Amendment Area Thunderhead III POD CBM

1 1767 2

Arcadis

2001

1 1767 2

Arcadis

2001

Thunderhead III POD CBM

1 1767 0

Arcadis

2001

Thunderhead II POD CBM

not accessioned

GCM Services

2007

TBCC W., S. and N. Hilight LBA

S3-62

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S3-8. Large Block Class III Cultural Resource Inventories Within the General Analysis Area for the West Hilight Field LBA Tract (Continued).
Survey Organization Greer Services Location T43N R71W Section 21, E T43N, R71W, Section 22, W T43N, R71W Section 22, E T43N, R71W, Section 22, E T43N, R71W, Section 27, all T43N, R71W, Section 27, W T43N, R71W, Section 28, W T43N, R71W, Section 28, E T43N, R71W, Section 29, NWNW T43N, R71W, Section 29, N, SENE, ESE T43N, R71W, Section 30, NENE T43N, R71W, Section 32, NENE T43N, R71W, Section 33, N, SENE, ESE T43N, R71W, Section 34, all Year 2002 Project Name Black Thunder POD CBM

Accession No. 2 1792 2

0 1541 0

GCM Services

2000

TBCC- Little Thunder Creek LBA

0 1541 3 2 1792 2

GCM Services Greer Services

2000 2002

TBCC- Little Thunder Creek Amendment Area Black Thunder POD CBM

not accessioned

GCM Services

2007

TBCC W., S. and N. Hilight LBA

2 1792 2

Greer Services

2002

Black Thunder POD CBM

7 1031

GCM Services

2007

TBCC Priority Drilling Area (Meyer 2007b) TBCC W., S. and N. Hilight LBA

not accessioned

GCM Services

2007

81 292

Office of the Wyoming State Archaeologist GCM Services

1981

Four Well Pad Locations

not accessioned

2007

TBCC W., S. and N. Hilight LBA

3 1218

Greer Services

2003

Nicholson POD CBM

1 334 0

Pronghorn

2001

Rochelle Lake POD CBM

not accessioned

GCM Services

2007

TBCC W., S. and N. Hilight LBA

not accessioned

GCM Services

2007

TBCC W., S. and N. Hilight LBA

Draft EIS, Wright Area Coal Lease Applications

S3-63

Supplementary Information on the Affected Environment Table S3-9. Cultural Resource Sites in the General Analysis Area for the West Hilight Field LBA Tract. Recorder's Affiliation Site Number NRHP Status Recommended Year
48CA634 48CA1123 48CA1124 48CA1160 48CA2930 48CA3196 48CA3459 48CA3786 48CA4099 48CA4100 48CA4101 48CA4147 48CA4149 48CA4150 48CA4151 48CA4152 48CA4153 48CA4154 48CA4155 48CA4156 48CA4157 48CA4158 48CA4159 48CA4160 48CA4161 48CA4162 48CA4163 48CA4169 48CA4170 48CA4171 48CA4189 48CA4190 48CA4191 48CA4192 48CA4403 48CA4484 48CA4681 48CA4683 48CA4684 48CA4686 48CA6403 48CA6404 48CA6405 48CA6406 48CA6407 48CA6725 48CA6726 U NE NE U NE NE U NE NE NE NE NE NE NE U NE U NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE E NE U U U U E E E E E U U Prehistoric sites request review no further work no further work not found in 2007 no further work no further work request review no further work no further work no further work no further work no further work no further work no further work formal testing no further work formal testing no further work no further work no further work no further work no further work no further work no further work no further work no further work formal testing* no further work no further work no further work no further work no further work no further work no further work avoid or mitigate no further work (no data) formal testing** formal testing** formal testing** formal testing** avoid or mitigate avoid or mitigate avoid or mitigate avoid or mitigate avoid or mitigate significant/testing significant/testing 1980 1981 1981 1981 1995 1998 1998 2001 2000 2000 2000 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2002 2003 2007 2007 2007 2007 2006 2006 2006 2006 2006 2007 2007 Arch. Services Arch. Services Arch. Services Arch. Services GCM Services Pronghorn Pronghorn Pronghorn GCM Services GCM Services GCM Services Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. Arcadis U.S. AEC Greer Services GCM Services GCM Services GCM Services GCM Services GCM Services GCM Services GCM Services GCM Services GCM Services GCM Services GCM Services

S3-64

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S3-9. Cultural Resource Sites in the General Analysis Area for the West Hilight Field LBA Tract (Continued). Recorder's Affiliation Site Number NRHP Status Recommended Year
significant/testing 2007 GCM Services significant/testing 2007 GCM Services significant/testing 2007 GCM Services significant/testing 2007 GCM Services significant/testing 2007 GCM Services significant/testing 2007 GCM Services formal testing 2007 GCM Services request review 2007 GCM Services request review 2007 GCM Services request review 2007 GCM Services formal testing 2007 GCM Services formal testing 2007 GCM Services Historic sites 48CA803 U request review 1981 OWSA 48CA2188 U re-evaluate 1985 Greer Services NE no further work 2000 GCM Services 48CA4098 48CA4102 NE no further work 2000 GCM Services U request review 2003 Greer Services 48CA4680 48CA4682 U request review 2003 Greer Services U request review 2003 Greer Services 48CA4685 48CA4687 U request review 2003 Greer Services 48CA4688 U request review 2003 Greer Services 48CA4689 U request review 2003 Greer Services 48CA4690 U request review 2003 Greer Services 48CA4691 U request review 2003 Greer Services 48CA4696 U request review 2007 GCM Services 48CA6852 U request review 2007 GCM Services 48CA6853 U request review 2007 GCM Services U = undetermined or no review by SHPO. Site may have a consultant and/or agency recommendation, but has either not been reviewed by SHPO or SHPO required additional information in order to make a determination. This site must be avoided until a determination is made. NE = Not Eligible (with SHPO concurrence). This site requires no further consideration. E = Eligible (with SHPO concurrence). This site will have to be avoided or an approved mitigation plan implemented. * re-evaluated as eligible by GCM.
** sites combined, recommended NRHP eligible by GCM.
Formal testing: Site has potential to meet eligibility criteria, formal testing required to make
determination. Request review: Site is recommended not eligible by recorder, no SHPO review as yet, recommend no additional work. Significant/testing: Site is recommended eligible by recorder, no SHPO review, formal testing may be required. Re-evaluate: Site is unlikely to meet eligibility requirements but inadequate data exists for SHPO determination. Avoid or mitigate: Site is determined eligible for NRHP by SHPO and must be avoided or mitigation plan approved. Not found in 2007: Site was previously recorded but was not found during 2007 inventory (presumed destroyed). No data: The site database is incomplete; date entry error suspected. 48CA6727 48CA6728 48CA6729 48CA6730 48CA6731 48CA6732 48CA6844 48CA6845 48CA6846 48CA6848 48CA6849 48CA6851 U U U U U U U U U U U U

Draft EIS, Wright Area Coal Lease Applications

S3-65

Supplementary Information on the Affected Environment Within the general analysis areas for the North, South and West Hilight Field tracts, a total of 147 cultural properties (sites) have been recorded. Of these, 110 sites were previously recorded and were identified during record searches. An additional 37 sites were located during the 2007 Class III inventories of the remaining unsurveyed lands. The State Historic Preservation Office (SHPO) has not made National Register of Historic Places (NRHP) eligibility determinations for these sites at this time. Some of the cultural site’s eligibility determinations are pending remote sensing (magnetometer surveys) work and formal testing. A total of 74 cultural sites have been documented in the general analysis area for the West Hilight Field tract. Of these, 59 are prehistoric and 15 are historic. Prehistoric sites consist primarily of lithic scatters and campsites. Historic sites consist primarily of trash dumps. Thirty of the prehistoric sites and two of the historic sites have been determined not eligible for the NRHP by the SHPO. Six of the prehistoric sites and none of the historic sites have been determined to be eligible for the NRHP by the SHPO. Twenty-three of the prehistoric sites and 13 historic sites are considered unevaluated for eligibility by the SHPO, most of which have never been reviewed, while at least 13 will require additional documentation, testing or evaluation in order for the SHPO to make an eligibility determination. Table S3-9 lists the cultural sites, the site type (prehistoric or historic), the NRHP status (eligible, not eligible, or undetermined), the recommended action, and the recorder’s affiliation.

S3-66

Draft EIS, Wright Area Coal Lease Applications

SECTION 4
WEST JACOBS RANCH LBA TRACT

Supplementary Information of the Affected Environment S4-1 TOPOGRAPHY AND PHYSIOGRAPHY The general analysis area for the West Jacobs Ranch tract is located in the northern portion of the general Wright analysis area. The LBA tract is bound by the Hilight Road and BNSF & UP railroad on the east and State Highway 450 on the south. The topography of the tract’s general analysis area, like the area within the adjacent Black Thunder and Jacobs Ranch mines’ existing permit areas, is relatively subdued. The landscape consists primarily of gently rolling terrain of moderate relief influenced by North Prong Little Thunder Creek and its tributaries, Dry Fork Little Thunder Creek, School Section Draw, and a number of unnamed ephemeral draws. A ridgeline of higher bluffs, which forms the headwaters of North Prong Little Thunder Creek and is the origin of its tributary draws, lies along the northwestern boundary of the general analysis area for the West Jacobs Ranch LBA Tract. Some internallydrained ephemeral streams and playas have formed in the lowest portion of non-contributing drainage areas as well. Elevations range from 4,737 feet to 4,973 feet within the LBA tract as applied for, from 4,737 feet to 5,060 feet within the BLM study area, and from 4,737 feet to 5,080 feet within the tract’s general analysis area. Slopes within the LBA tract as applied for range from flat up to about 20 percent, while slopes within the tract’s general analysis area range from flat to over 56 percent along the ridgeline that borders the northwestern edge of the BLM study area. The slopes of the gently rolling uplands, which comprise most (about 75 percent) of the general analysis area, seldom exceed 5 percent. S4-2 GEOLOGY Stratigraphic units in the general analysis area include, in descending order, recent (Holocene age) alluvial and eolian deposits, the Eocene age Wasatch Formation (the overburden), and the Paleocene age Fort Union Formation (which contains the target coal beds). The majority of the recent surficial deposits in the general analysis area are reworked Wasatch Formation residuum or deposits that are of mixed alluvial and eolian nature. The lithologies of these unconsolidated deposits represent materials eroded locally from the Wasatch Formation and reflect relatively near-source deposition. There are thin alluvial deposits along ephemeral streams and closed basin drainage channels. These alluvial deposits typically consist primarily of poorly to well-sorted, irregularly bedded to laminated, unconsolidated sand, silt, and clay with minor intervals of fine gravel. Eolian processes have reworked some of the surficial sands and silts, resulting in isolated deflation basins having no natural drainage. These internally-drained surface features (playas) commonly contain fine-grained sediments recently deposited from seasonal rainfall or snowmelt runoff events. The Eocene Wasatch Formation forms most of the overburden in the general analysis area. The Wasatch consists of interbedded, lenticular sands/sandstones, silts/siltstones, clays and shales with thin discontinuous Draft EIS, Wright Area Coal Lease Applications S4-1

Supplementary Information on the Affected Environment coal seams. Typically, units are gradational mixtures of these sediments. The top of the Wasatch in the tract’s general analysis area is dominated by sandy deposits that are continuous throughout the area and thicken slightly to the north and west. These sands are commonly unconsolidated, especially near the surface, but can also be indurated where they are hardened by cementation. Below these surficial sandy deposits fine-grained deposits dominate the Wasatch, with sand bodies occurring more as discontinuous lenses. There is no distinct boundary between the Wasatch Formation and the underlying Paleocene Fort Union Formation. From a practical standpoint, however, the top of the mineable coal zone is considered as the contact between the two formations. The average overburden thickness, which includes the recent surficial deposits, is 475 feet in the LBA tract as applied for, and 486 feet in the BLM study area (the tract configured under Alternative 2). Wasatch rocks crop out on the surface in some locations, particularly along steeper slopes formed by the more erosionally resistant strata and along the breaks or the broken land dissected by small ravines and gullies. The Wasatch Formation also outcrops along the steep hill sides and bluffs in the northwestern and western-most portions of the LBA tract’s study area. Outcrops range from prominent sandstone bluffs to more subdued outcrops of shaley material that exhibit more weathering and erosion. Scoria (also called clinker or burn) occurs in the northeast portion of Section 21, and in the east half of Section 31, T.44N., R.71W. Scoria is sediment that was baked, fused or melted in place when the underlying coal burned in-situ, and is often exposed as reddish-brown, resistant rock outcrops. A Wasatch coal seam, termed the “rider seam,” is present throughout most of the LBA tract at about 4,600 to 4,800 feet elevation (roughly 200 feet stratigraphically above the mineable Fort Union Wyodak coal seam), but is absent in the eastern and northeastern portions of the area. The rider seam, which is about 10 feet thick, will most likely not be mined. Other Wasatch coals, where present, are typically of no economic significance. Underlying the Wasatch Formation is the Paleocene Fort Union Formation. There is one mineable seam (referred to as the Wyodak) in the BLM study area for the West Jacobs Ranch LBA Tract. The average mineable coal seam thickness is 102 feet in the tract as applied for and 104 feet in the BLM study area. Thin partings up to a few feet thick in this coal are relatively common and continuous, and consistently occur near the top and bottom of the seam. Table S4-1 presents the average thickness of the overburden and the Wyodak coal seam for the West Jacobs Ranch LBA Tract. Figures S4-1, S4-2, and S4-3 depict six geologic cross sections (three north-south and three east-west) drawn through the LBA tract’s BLM study area. The Fort Union coal seams are subbituminous and are generally low-sulfur, low-ash coals. Typically, the coal being mined in the PRB has a lower heating value and higher sulfur content north of Gillette than south of Gillette. For the West Jacobs Ranch LBA Tract, Jacobs Ranch Coal Company estimates the S4-2 Draft EIS, Wright Area Coal Lease Applications

R. 71 W.

C
15 14 13

B
5000
24

Section E-E'

Section F-F'

Dry Fork Little Thunder Creek

D'
5000 4900 4750 4600 4450 4300 4150 4000 0 3000 6000
21 22 23

A
4900 4750
25 28 27

E E'26
4600 4450 4300 4150
2 1

T. 44 N.
33 34 35 36

F F'
4 3

T. 44 N.

T. 43 N. T. 43 N. 4000 9000
12

12 9 10

A' B'
11

SECTION A-A'

12000

15000

SCALE: HORZ. 1" = 6,000', VERT. 1"=600'

R. 71 W.

LBA Boundary

North Prong Little Thunder Creek Section E-E'

Dry Fork Little Thunder Creek

Figure S4-1. Geologic Cross Sections for the West Jacobs Ranch LBA Tract.
BLM Study Area Boundary BLM Study Area Boundary

Existing Jacobs Ranch Mine Federal Coal Leases 4900 4750 4600 4450 4300 4150 4000 0 West Jacobs Ranch LBA Tract as Applied for West Jacobs Ranch LBA Tract Under Alternative 2, BLM's Preferred Alternative GEOLOGY Sand or Sandstone Interbedded Siltstone, Claystone and Shale Rider Coal Coal

Section F-F'

LBA and BLM Study Area Boundary

LEGEND
5000

BLM Study Area Boundary Section D-D'

Draft EIS, Wright Area Coal Lease Applications
B
5000 4900 4750 4600 4450 4300 4150 4000 3000 6000 9000

CROSS SECTION LOCATION MAP

SCALE: 1" = 10,000'

SECTION B-B'

12000

15000

18000
SCALE: HORZ. 1" = 6,000', VERT. 1"=600'

Supplementary Information on the Affected Environment

21000

S4-3

19 21 22 23

A
4900 4750
25

BLM Study Area Boundary

5000 4900 4750 4600 4450 4300 4150 4000 0 3000

Section C-C'

D D' D'

25 28 27

E E'26
4600 4450 4300 4150
1

T. 44 N.
33 34 35 36

F F'

4 3 2

T. 44 N.

T. 43 N. T. 43 N. 4000

BLM Study Area Boundary Section B-B'

BLM Study Area Boundary

LBA Boundary

Section E-E'

Section F-F' North Prong Little Thunder Creek

Supplementary Information on the Affected Environment

Figure S4-2. Geologic Cross Sections for the West Jacobs Ranch LBA Tract.
R. 71 W.

Existing Jacobs Ranch Mine Federal Coal Leases 4900 4750 4600 4450 4300 4150 4000 0 3000 6000

Dry Fork Little Thunder Creek

LBA and BLM Study Area Boundary

5000

Section D-D'

S4-4
C
15 14 13

12 9 10 12

A' B'
11

SECTION D-D'

6000

9000

12000

SCALE: HORZ. 1" = 6,000', VERT. 1"=600'

R. 71 W.

CROSS SECTION LOCATION MAP

SCALE: 1" = 10,000'

LEGEND

5000 4900 4750 4600 4450 4300 4150 4000 9000

West Jacobs Ranch LBA Tract as Applied for

West Jacobs Ranch LBA Tract Under Alternative 2, BLM's Preferred Alternative

GEOLOGY

Sand or Sandstone

Interbedded Siltstone, Claystone and Shale

Rider Coal

Coal

SECTION C-C'

12000

15000

18000
SCALE: HORZ. 1" = 6,000', VERT. 1"=600'

Draft EIS, Wright Area Coal Lease Applications

21000

24000

R. 71 W.

C
15 14 13

B D'
21 22 23 24

Section B-B' North Prong Little Thunder Creek

Section C-C'

A
4900
28 25 27

LBA and BLM Study Area Boundary

5000 4900 4750 4600 4450 4300 4150 4000 0 3000 6000

BLM Study Area Boundary Section A-A' LBA Boundary

D E
5000

E E'26
4600
35 36

4750

4450 4300 4150 4000

T. 44 N.
33 34

F F'
4 3 2 1

T. 44 N.

T. 43 N. T. 43 N. 9000
12

12 9 10

A' B'
11

SECTION E-E'

12000

15000

18000

SCALE: HORZ. 1" =1" = 6,000', VERT. 1"=600' SCALE: HORZ. 6,000', VERT. 1"=600'

R. 71 W.

Dry Fork Little Thunder Creek

BLM Study Area Boundary Section A-A'
LBA Boundary
Dry Fork Little Thunder Creek

Dry Fork Little Thunder Creek

Section C-C'

North Prong Little Thunder Creek

LBA and BLM Study Area Boundary

Existing Jacobs Ranch Mine Federal Coal Leases 4900 4750 4600 4450 4300 4150 4000 0

Section B-B' Dry Fork Little Thunder Creek

Figure S4-3. Geologic Cross Sections for the West Jacobs Ranch LBA Tract.

Draft EIS, Wright Area Coal Lease Applications
F
4900 4750 4600 4450 4300 4150 4000 3000 6000

CROSS SECTION LOCATION MAP

SCALE: 1" = 10,000'

LEGEND

West Jacobs Ranch LBA Tract as Applied for

West Jacobs Ranch LBA Tract Under Alternative 2, BLM's Preferred Alternative

GEOLOGY

Sand or Sandstone

Interbedded Siltstone, Claystone and Shale

Rider Coal

Coal

SECTION F-F'

9000

12000

15000
SCALE: HORZ. 1" = 6,000', VERT. 1"=600'

Supplementary Information on the Affected Environment

18000

S4-5

Supplementary Information on the Affected Environment Wyodak coal’s ash content at about 4.5 percent, the sulfur content at about 0.25 percent, and the average heating value at approximately 8,750 to 8,900 British thermal units per pound (Btu/lb). Average Overburden and Coal Thicknesses in the West Jacobs Ranch LBA Tract. Mining Unit Proposed Action (ft) Alternative 2 (ft) Overburden 475.0 486.0 Coal 102.0 104.0 Interburden 0.0 0.0 S4-3 PALEONTOLOGY Although the Eocene Wasatch Formation is known to produce fossil vertebrates of scientific significance in Wyoming, outcrops of the Wasatch Formation in the PRB are not generally well exposed and the conditions of deposition of the formation have contributed to a low preservation potential for fossils. Geologic mapping by the U.S. Geological Survey and Wyoming State Geological Survey have documented that the general Wright analysis area is underlain by sedimentary deposits of the Wasatch Formation. Geologic maps depict bedrock units that would occur at the surface in the absence of recent, unconsolidated colluvial and eolian deposits that occur widespread over the general analysis area. These surficial materials in the general Wright analysis area are derived primarily from the underlying bedrock, which consists mainly of soft shale, sandstone and coal beds, and most of these rocks weather to fine-grained material. The physical properties of the weathered materials depend largely on the mode of transportation and deposition, whether by water, gravity, or wind that account for the position of the weathered materials. Actual outcrops of the Wasatch Formation that could be prospected for fossils occur infrequently in the general Wright analysis area and are found most commonly in areas having the steepest slopes. The landscape of the West Jacobs Ranch LBA Tract is predominantly rolling sagebrush shrubland and grassland and not particularly well suited to paleontological exposure. However, substantial areas of resistant Wasatch bedrock crop out and form the ridgeline along the northwestern boundary of the tract’s general analysis area. Vertebrate fossils that have been described from the Wasatch Formation include mammals such as early horses, tapiroids, condylarths, primates, insectivores, marsupials, creodonts, carnivores, and multituberculates; reptiles such as crocodilians, alligators, lizards, and turtles; birds; eggs; amphibians; and fish. Non-marine invertebrates such as mollusks and ostrocods have also been described from the Wasatch. Fossil plant material is common in the Wasatch Formation. The fossil plants inventoried are primarily leaves and fossilized wood. The leaves usually occur as lignitic impressions in sandstone and siltstone and as compact masses in shale. Leaves are the most abundant fossils found during paleontological S4-6 Draft EIS, Wright Area Coal Lease Applications Table S4-1.

Supplementary Information on the Affected Environment surveys and are frequently encountered during mining operations. Fossilized wood often occurs near the top of a coal seam, in carbonaceous shale or within channel sandstone. Exposures of fossil logs are common, but usually very fragmentary. Like fossil leaves, fossil logs can be readily collected in the PRB. Professional archeologists, in effort to locate unique pockets of fossilized bone such as those reported elsewhere in the Wasatch Formation in the PRB, closely examined outcrop localities in conjunction with the intensive pedestrian surveys for cultural resources. Paleontological surveys were conducted in conjunction with the cultural resources inventories of the BLM study area for the West Jacobs Ranch LBA Tract, with the exception of the S½ of Section 15 and the SE¼ of Section 20, T.44N., R.71W., and Section 3, T.43N., R.71W. Due the ubiquitous nature of fossilized tree remains and bivalve fragments in the Wasatch Formation, the recording of fossil locations was confined to unique finds. The only observed fossils were of petrified wood fragments. Fossilized wood and leaves are common and can be observed at many unrecorded locations, particularly in associated with coal outcrops. No Wasatch Formation outcrop localities produced exceptional examples and no unique finds were located within the LBA tract’s general analysis area. S4-4 AIR QUALITY S4-4.1 Existing Emission Sources In the vicinity of the West Jacobs Ranch LBA Tract, the main sources of air pollution are surface coal mining activities, vehicular traffic, railroad traffic, and various sources associated with oil and gas production and farming and ranching activities. The closest existing coal-fired power plants to the LBA tract are the Dave Johnston plant (approximately 59 miles south-southwest) and the Wyodak Complex (approximately 48 miles north), which consists of the 90-Mw WyGen No. 1, the 335-Mw Wyodak No. 1, the 21.8-Mw Neil Simpson No. 1, the 80-Mw Neil Simpson No. 2, and two 40-Mw natural gas-fired power plants. S4-4.2 Proposed Emission Sources All of the currently proposed emission sources in the eastern PRB are discussed in Chapter 4 of the WAC DEIS document. There are currently 12 pending LBA applications including the West Jacobs Ranch tract. Table S4-2 provides the approximate distances from the West Jacobs Ranch LBA Tract to each of the other 11 pending LBA tracts.

Draft EIS, Wright Area Coal Lease Applications

S4-7

Supplementary Information on the Affected Environment Table S4-2. Distances to Pending LBA Tracts. LBA Tract Hay Creek II Caballo West Belle Ayr North West Coal Creek Maysdorf II North Hilight Field West Hilight Field South Hilight Field North Porcupine South Porcupine West Antelope II Adjacent Mine Buckskin Caballo Belle Ayr Coal Creek Cordero Rojo Black Thunder Black Thunder Black Thunder North Antelope Rochelle North Antelope Rochelle Antelope Distance from West Jacobs Ranch 47 miles northwest 23 miles north 22 miles north 10 miles north 12 miles north Proximate Proximate Proximate 8 miles south 11 miles south 12 miles south

S4-4.3 Historical Ambient Air Quality: Particulate Emissions Emission Producing Activities Fugitive particulate (dust) emissions are produced within the mine areas by activities such as coal and overburden blasting, excavating, loading, and hauling and large areas of disturbed land. Stationary or point sources of particulate emissions produced within the mine areas include coal crushing, handling/conveying, and storage facilities. Monitoring Results Wyoming Department of Environmental Quality/Air Quality Division (WDEQ/AQD) requires the collection of information documenting the quality of the air resource at each of the PRB surface coal mines. Each mine was required to monitor air quality for a 24-hour period every six days at multiple monitoring sites through the end of 2001. Beginning in 2002, all PM10 monitors located at the active mines are required by WDEQ/AQD to sample air quality for a 24-hour period every three days. In accordance with the Ambient Air Quality Assurance Project Plan, Jacobs Ranch Mine operates a particulate and meteorological monitoring network. Figure 3-4 in the WAC DEIS shows the locations of the mine’s particulate (PM10 and TSP) air quality sampling sites (Site 3, Site 4, and Site 5) and the meteorological monitoring station. The State of Wyoming added PM10-based standards in 1989 and retained the TSP standards until March 2000; therefore, the TSP standard is no longer being enforced. The progression of mining operations requires that the location and number of particulate monitors be adjusted in order to provide the best documentation of the S4-8 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment ambient air quality. Jacobs Ranch Mine relocated Site 5 in July 2003, as approved by WDEQ/AQD. There were no monitored exceedances of the TSP standard at the Jacobs Ranch Mine when TSP was the federally regulated pollutant, and there have been no exceedances of the annual average PM10-based standards at the Jacobs Ranch Mine since PM10 became the federally regulated pollutant. There has been only one exceedance of the 24-hour PM10-based standards at the Jacobs Ranch Mine through 2008. That event was associated with winds exceeding 20 mph, which could have qualified as a high-wind event under the Natural Events Action Plan. Prior to 2007, there was no mechanism in place to account for exceedances demonstrated to be the result of natural events. The WDEQ/AQD collaborated with the Wyoming Mining Association (WMA) to develop a Natural Events Action Plan (NEAP) for the coal mines of the PRB, based on EPA Natural Event Policy guidance. Under certain conditions, excessive PM10 concentrations resulting from dust raised by exceptionally high winds or other natural events will be treated as uncontrollable natural events. Table S4-3 presents the average annual PM10 concentrations measured at the mine’s three air quality monitoring sites from 1998 through 2008. In effort to relate measured particulate emissions to mine activity, Jacobs Ranch Mine’s annual coal and overburden production are included in Table S4-3. Table S4-3. Summary of Jacobs Ranch Mine Annual Coal and Overburden Production and Particulate Emissions Monitoring Data, 1998 2008.
Average Annual Particulate Emissions1 Coal Produced (mmtpy) 29.1 29.1 28.3 29.3 31.7 35.7 38.6 37.3 40.0 38.1 42.1 Overburden Moved (mmbcy) 57.8 82.3 74.1 82.1 94.7 108.1 110.9 100.7 120.9 132.4 145.6

Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
1 2

Site 3 N/A N/A N/A 13 20 25 25 29 33 31 30

Site 4 25 35 36 31 30 18 17 20 20 17 16

Site 5 15 21 21 30 25 252 22 26 28 32 17

PM10 (in µg/m3)
Site was moved July 2003
Source: EPA (2009b), Shamley (2008a)

Draft EIS, Wright Area Coal Lease Applications

S4-9

Supplementary Information on the Affected Environment Control Measures The WDEQ/AQD requires the use of Best Available Control Technology (BACT) on all sources of emissions in the State of Wyoming. Jacobs Ranch Mine practices control measures that are applicable to surface mining operations, which are outlined in Section 14 of the Wyoming Air Quality Standards and Regulations (WAQSR). Fugitive emissions are controlled with a variety of methods that the agency considers BACT. Section 3.4.2.3 in the WAC DEIS addresses a variety of dust control measures that WDEQ/AQD requires for all surface coal mines in the PRB. Additional site-specific requirements related to mine-specific layout and mining practices may be included in the individual mine’s air quality permits, examples of which are also given in the WAC DEIS. The WDEQ/AQD has issued several new air quality permits modifying Jacobs Ranch Mine’s air quality controls/operating procedures, and on January 22, 2007, WDEQ/AQD issued air quality permit MD-1005A2 to modify the Lands Necessary to Conduct Mining boundary. Permit MD-1005A2 was the second amendment to Permit MD-1005, which was issued on July 26, 2004 (JRM 2007). S4-4.4 Historical Ambient Air Quality: NO2 Emissions Emission Producing Activities Vehicular traffic, both inside and outside the areas of mining, is responsible for tailpipe emissions. Exhaust emissions from large-scale mining equipment, emissions from compressor engines used in the production of natural gas, emissions from railroad locomotives, and coal-fired power plant emissions all contain oxides of nitrogen (NOX). Tailpipe emissions consist primarily of nitrogen dioxide (NO2), carbon monoxide (CO), and volatile organic compounds (VOCs), but may also include sulfur dioxide (SO2) and other trace constituents. Overburden blasting also sometimes produces gaseous orange-colored clouds that contain NO2. NO2 is one of several products resulting from the incomplete combustion of the explosives used in the blast. Monitoring Results NO2 monitoring results are available from several currently-active air quality monitoring stations in the eastern PRB, including the Thunder Basin National Grasslands Site, located approximately 63 miles north of the Jacobs Ranch Mine; the Campbell County site, located approximately 30 miles northnorthwest of the Jacobs Ranch Mine; and the Tracy Ranch Site, located approximately 5 miles south of the Jacobs Ranch Mine. WDEQ/AQD and the Black Thunder Mine (Tracy Ranch site only) maintain these air quality monitoring stations. The monitoring data that have been gathered from these sites, as well as other sites that are no longer monitored, are included in Section 3.4.3 of the WAC DEIS. S4-10 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Control Measures To date, there have been no reported events of public exposure to NO2 from blasting activities at the Jacobs Ranch Mine. The WDEQ has not required the mine to implement any specific measures to control or limit public exposure to NO2 from blasting, although several of the surface coal mines the PRB, including Jacobs Ranch, have instituted voluntary blasting restrictions to avoid NOX impact to the public. Section 3.4.3.3 in the WAC DEIS includes additional information. There have been no incidents of public exposure in the southern PRB reported to the WDEQ for the past 4 years. S4-5 WATER RESOURCES West Jacobs Ranch LBA Tract is adjacent to the Black Thunder and Jacobs Ranch mines’ existing permit areas; therefore, both the regional and sitespecific baseline water resources around and within the West Jacobs Ranch LBA Tract are extensively characterized in the mines’ Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD) mine permits (TBCC 2005, JRCC 2004). The following analysis is based largely on those findings. S4-5.1 Groundwater The West Jacobs Ranch LBA Tract overlies three geologic water-bearing strata that have been or would be directly affected by mining. In descending order, these units are the recent alluvial deposits, the Wasatch Formation overburden, and the Fort Union Formation Wyodak coal seam that will be mined. The underlying Tullock member of the Fort Union Formation and the Lance Sandstone aquifers are regionally utilized for municipal, industrial, and domestic water supplies, including the water supply for the nearby Town of Wright. These lower hydrostratigraphic units will not be directly disturbed by mining. Baseline hydrogeologic conditions within and around the Jacobs Ranch and Black Thunder mines are characterized in the WDEQ/LQD mine permits (TBCC 2005, JRCC 2004), and ground water monitoring data (depth to water and water quality) are included in the mines’ WDEQ/LQD annual reports. Jacobs Ranch and Black Thunder mines’ current ground water monitoring programs are addressed in their 2007 Annual Reports (JRCC 2007, TBCC 2007), and Figures 3-20 and 3-21 in the Wright Area Coal Leases Draft EIS (WAC DEIS) depict the locations of the mines’ currently active monitoring wells. Recent Alluvium The West Jacobs Ranch LBA Tract is within the Little Thunder Creek watershed. North Prong Little Thunder Creek and Dry Fork Little Thunder Creek, ephemeral tributaries to Little Thunder Creek, drain most of the LBA tract. Recent alluvial deposits associated with surface drainages within the tract’s general analysis area are generally very thin and not laterally extensive enough to be considered aquifers. Recent alluvium exhibiting any potential of Draft EIS, Wright Area Coal Lease Applications S4-11

Supplementary Information on the Affected Environment a groundwater resource is limited to stream laid deposits in ephemeral drainages. These unconsolidated deposits are typically very fine-grained and have very limited permeabilities, precluding any significant storage and movement of groundwater (TBCC 2005). Surficial geology mapping by JRCC (1994) and the U.S. Geological Survey (Reheis and Coates 1987, Coates 1978a and 1978b) shows that the only alluvial deposits within the LBA tract’s general analysis area occur along the channels of Dry Fork Little Thunder Creek and its tributary, Brater Draw, in Sections 3 and 4, T.43N., R.71W. and Section 33, T.44N., R.71W. (Figure S4-4). These alluvial materials are comprised of stream-channel and overbank deposits. Groundwater occurrence in the alluvium within the LBA tract is largely unknown at present, although based on the limited areal extent of the deposits, only seasonal yield is expected as bank storage from ephemeral stream flows. Characterization of alluvial groundwater in the North Prong Little Thunder Creek just downstream of the LBA tract by TBCC (2005) revealed a hydraulic conductivity (a measure of the ability of the aquifer to transmit groundwater) ranging from 0.52 to 6.42 feet per day (ft/day), indicating a moderately conductive alluvium. Ten monitoring wells installed to characterize alluvium at Black Thunder Mine exhibited an average total dissolved solids (TDS) concentration of about 1,600 milligrams per liter (mg/L), which indicates the water is suitable for agriculture and livestock use. Wasatch Formation Within the Powder River Basin (PRB), the Wasatch Formation (the strata lying above the mineable coal, also called the overburden) consists of non-marine, fluvial and eolian deposits of interbedded sands, silts, and clays with occasional discontinuous deposits of coal, carbonaceous material, and clinker. This description basically holds true for the area within and around the West Jacobs Ranch LBA Tract. Within about 100 feet of the surface, the overburden is dominated by sands that are continuous throughout the LBA tract’s general analysis area. Regional groundwater levels in the overburden however are generally lower than these surficial sands, rendering them generally dry and ineffective as a groundwater resource. Some limited groundwater may occur in these shallow sands where the groundwater is locally perched on lowpermeability deposits. Below these surficial sands, finer-grained deposits (siltstones and claystones) dominate the Wasatch, with sand bodies occurring less frequently as discontinuous lenses. Based on groundwater occurrence and elevations determined by groundwater monitoring at Jacobs Ranch Mine, any of these deposits in the mid- to lower-Wasatch sequence may be water bearing, although the sands and sandstones have a greater potential for groundwater yield. The discontinuous nature of the deposits produces considerable variability in groundwater elevations both laterally and vertically. The hydraulic connection between sandy lenses is tenuous due to the dominance of the relatively low-permeability deposits. Groundwater movement through the Wasatch Formation overburden is therefore likely limited. Although the waterbearing sands within the Wasatch Formation are not continuous and not S4-12 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment
R. 71 W.
Road

Springen

Hilight

w Dra

N orth

Sch

ng Little Pro

ool

Se c tion

Thu r nde

Draw

k ee Cr
Small Road
26
25

BNSF & UP RR

r th No
35
36

ng Pro

T. 44
N. T. 43
N.
6 5

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ttl e

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Thu

nde r
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T. 44
N. T. 43
N.
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2
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State Highway 450

Bra ter D raw

Stuart
Reservoir

R. 71 W.

LEGEND
Ephemeral Stream Channel Approximate Extent of Stream-channel, Overbank, and Fan, Apron and Sheetwash Alluvial Deposits Alluvial deposits mapped by USGS (Coates 1978a and 1978b) and Jacobs Ranch Coal Company.
0 2000 4000 8000

Jacobs Ranch Mine Permit Boundary Existing Jacobs Ranch Mine Federal Coal Leases West Jacobs Ranch LBA Tract as Applied for West Jacobs Ranch LBA Tract Under Alternative 2, BLM's Preferred Alternative West Jacobs Ranch LBA General Analysis Area Boundary Approximate Mining Disturbance Through 2007

GRAPHIC SCALE (FEET)

Figure S4-4. Stream Laid Deposits Within and Adjacent to the West Jacobs Ranch LBA Tract.

Draft EIS, Wright Area Coal Lease Applications

S4-13

Supplementary Information on the Affected Environment considered to be a regional aquifer, the sands may provide limited amounts of groundwater for livestock and domestic uses on a local scale, provided the water quality is suitable. Another geologic unit that may be considered a part of the Wasatch Formation is scoria, also called clinker or burn. It consists of sediments that were baked, fused, and melted in place when the underlying coal burned spontaneously. These burned sediments collapsed into the void left by the burned coal. Scoria deposits can be a very permeable aquifer and can extend laterally for miles in the eastern PRB. The occurrence of scoria is site specific, typically occurring in areas where coal seams crop out at the surface. High hydraulic conductivities for scoria were substantiated at the Black Thunder Mine, where conductivities were estimated at 265,000 to 18 million gallons per day per square foot (gpd/ft2). These values indicate a high potential for groundwater yield. Other than providing a viable groundwater resource, the hydrologic function of scoria is to provide recharge to adjacent overburden and coal beds. The scoria outcrops in the northeast portion of Section 21, T.44N., R.71W. and in the east half of Section 31, T.44N, R.71W. may provide such a hydrologic function in a localized manner, but are not documented as viable aquifers in the LBA tract’s general analysis area. Recharge to the Wasatch Formation is predominately from the infiltration of precipitation and lateral movement of water from adjacent scoria bodies where present. Regionally, groundwater is discharged from the Wasatch Formation by evaporation and transpiration, pumping wells, vertical leakage into the underlying coal seams, drainage into mine excavations, and seepage into the overlying alluvium along stream courses. Overburden in the vicinity of the LBA tract is recharged naturally by precipitation infiltration into exposed sand and sandstone bedrock that predominate the surficial deposits and artificially where in-channel reservoirs have been constructed for ranching operations and where coal bed natural gas (CBNG) groundwater is discharged to the surface. Focused, localized recharge occurs from surface water runoff beneath drainages, and probably beneath reservoirs and topographic depressions that collected runoff. The discontinuous nature of the water-bearing sands and predominance of low-permeability deposits generally render low hydraulic conductivity and low groundwater flow rates in the Wasatch. Testing of overburden monitoring wells at Jacobs Ranch Mine revealed hydraulic conductivities that ranged from 0.003 to 0.07 ft/day; substantially lower than the median reported for the Wasatch in general by Martin et al. (1988) of 0.2 ft/day and Rehm et al. (1980) of 0.35 ft/day. The range determined at Jacobs Ranch Mine is commensurate with the mean value determined by Rehm for siltstone and claystone of 0.007 ft/day. Groundwater flow in the Wasatch in the vicinity of the West Jacobs Ranch LBA Tract’s general analysis area is generally to the west (Hydro-Engineering, 2007). Groundwater directions and gradients typically change near active mine pits, where groundwater commonly exhibits flow toward the excavation with increasing hydraulic gradients. S4-14 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment The quality of groundwater in the Wasatch Formation near the West Jacobs Ranch LBA Tract is variable and generally poor, exhibiting TDS concentrations from around 500 mg/L to 6,000 mg/L, with a mean of about 2,000-4,000 mg/L (Rehm et. al 1980). TDS concentrations measured from overburden monitoring wells at Black Thunder Mine range from about 80 to 5,800 mg/L, averaging about 2,500 mg/L. More than 80 percent of the samples collected from these wells exhibited TDS concentrations that indicate suitability for livestock use. A scoria monitoring well at Jacobs Ranch Mine has exhibited increasing a TDS concentration from about 500 to 2,000 mg/L as groundwater in the scoria has recovered following reclamation activities. The median TDS concentration for the Wasatch Formation for the group of mines located between Gillette and Wright, as calculated by WDEQ/LQD based on 1,109 samples is 2,996 mg/L (Ogle et al. 2005). Based on the analyses of over 1,000 water quality samples collected by the southern PRB mines, including Jacobs Ranch, the median TDS concentration was 2,000 mg/L and the predominant constituents were sodium and sulfate (Ogle and Calle 2006). Overburden groundwater is generally considered to be unsuitable for domestic consumption and irrigation use, but is suitable for livestock and wildlife use. Wyodak Coal The Tongue River Member of the Fort Union Formation contains the mineable coal zone, which is often divided by partings that separate it into two or more units. Thin, continuous partings up to a few feet thick occur relatively consistently near the top and bottom of the seam. The mineable coal zones are variously referred to as the Anderson and Canyon, Roland and Smith, WyodakAnderson, Upper and Lower Wyodak, or Wyodak seams. At the Jacobs Ranch Mine it is referred to as the Wyodak coal seam. In the West Jacobs Ranch LBA Tract, the Wyodak seam has an average thickness of approximately 102 feet. Wyodak coal seams are considered regional aquifers because they are water bearing and laterally continuous across large areas. Historically, Fort Union coal seams have been a source of groundwater for domestic and livestock uses in the eastern PRB. However, due to the regional structural west-northwest dip of 1 to 3 degrees, the coal generally becomes too deep to be an economical source of water within a few miles west of the PRB surface coal mines. Clays and silts, often carbonaceous in character, commonly occur above the coal, yielding overall confining or semi-confining conditions for the coal aquifer. These confining layers may be breached by sands in some places, creating a hydraulic connection between the overburden and the coal. Fractures in the low-permeability layers above the coal may also allow a connection between the coal and the overburden. In some areas, including portions of Jacobs Ranch Mine, the coal is only partially saturated (JRCC 2004). This type of groundwater occurrence is common in the coal near its eastern outcrop, where the Wyodak coal can vary among dry, unconfined (where the coal seam is not fully saturated), and confined (where the piezometric level is above the top of the coal). This type of variation typically changes to confined/semi-confined westward from the coal outcrops. Recharge to the coal occurs by a Draft EIS, Wright Area Coal Lease Applications S4-15

Supplementary Information on the Affected Environment combination of infiltration through the scoria outcrop areas and vertical recharge through the overburden. Hydraulic conductivity within the coal seams is highly variable and reflective of the amount of fracturing the coal has undergone, as unfractured coal is virtually impermeable. Field tests indicate that the coal has a low to moderate transmissivity with a range of roughly three orders of magnitude, with localized zones of moderately high transmissivity due to increased fracturing. The yield of groundwater to wells and mine pits is smallest where the permeability of the coal is derived primarily from localized unloading fractures. The highest permeability is imparted to the coal by tectonic fractures. These are throughgoing fractures of areal importance created during deformation of the Powder River structural basin. The presence of these fractures can be recognized by their linear expression at the ground surface, controlling the orientation of stream drainages and topographic depressions. Due to their pronounced surface expression, these tectonic fractures are often referred to as “lineaments”. Coal permeabilities in the vicinity of these lineaments can be orders of magnitude higher than those in the coal fractured by unloading only. Martin et al. (1988) cites a regional hydraulic conductivity for the coal of 0.8 ft/day. Testing at Jacobs Ranch Mine revealed a commensurate range of hydraulic conductivity of 0.01 to 1.6 ft/day. Recharge to the coal occurs principally by infiltration of precipitation in the clinker outcrop areas along the flank of the eastern PRB. Secondary vertical recharge from the overburden also occurs, but is highly variable. Prior to mining, the direction of groundwater flow within the areally continuous coal aquifer was generally from recharge areas westward into the basin, following the dip of the coal. Groundwater conditions varied from unconfined to confined, depending on the coal elevation and proximity to the outcrop area. Water levels were generally above the top of the coal away from the outcrop. Groundwater flow in the coal has not been specifically assessed in the West Jacobs Ranch LBA Tract area, but analysis of groundwater flow at Jacobs Ranch Mine prior to mining indicates groundwater flow in the coal to be down dip to the west. The Gillette Area Groundwater Monitoring Organization (GAGMO) has monitored groundwater conditions in the PRB for more than 25 years, including the area in the vicinity of the LBA tract. Their analyses (Hydro-Engineering 2007) includes assessments of groundwater declines from both mining and CBNG development. Groundwater level declines observed near active mining areas prior to 1997 were likely due to mine dewatering alone and the groundwater flow direction within the coal aquifer was typically toward the mine excavations. By 2000, groundwater level decline rates had increased significantly due to impacts associated with widespread CBNG development. These decline rates west of the mines were overlapping with drawdowns caused by mining operations alone. A continuous cone of depression existed around the Jacobs Ranch, Black Thunder, North Antelope Rochelle, Antelope, and proposed School Creek mines due to their closeness to each other and the cumulative drawdown effects from pit dewatering and nearby CBNG discharges. The extent of drawdown in the coal west of the mines that is S4-16 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment attributable to mine dewatering alone cannot be accurately defined because of the predominant impacts to groundwater from CBNG development. Groundwater elevation contours for the Wyodak coal presented in the 2007 GAGMO report depict groundwater flows to the west, away from the open pits. The combined effect of 10 years of CBNG development and roughly 30 years of mining activities has lowered the static water level within the coal on the eastern side of the LBA tract approximately 200 feet, resulting in complete dewatering of the coal seam in localized areas, particularly near the mine’s pits and where the coal seams are structurally highest. Coal groundwater quality is typically only suitable for livestock and wildlife watering purposes because certain constituent concentrations commonly exceed many suitability criteria for domestic uses, and the water may have a high salinity and sodium hazard, which makes it unsuitable for agricultural uses. Concentrations of individual parameters may exceed the livestock standards at some locations (Ogle and Calle 2006). The composition of groundwater in the coal is fairly uniform and there are no seasonal or longterm trends in composition. The predominant cation is typically sodium, while the predominant anion is typically bicarbonate. Those coal-monitoring wells located closer to the coal-scoria contact along the eastern side of the PRB have greater magnesium, sodium and sulfate concentrations (TBCC 2007). Groundwater in the coal aquifer regionally has TDS concentrations ranging from about 500 to 3,500 mg/L, with a mean TDS concentration of about 1,000 to 3,000 mg/L (JRCC 2004). A median TDS concentration of 952 mg/L was calculated by the WDEQ/LQD for the coal aquifer, based on 832 samples collected from the southern group of PRB mines, including Jacobs Ranch (Ogle and Calle 2006). Subcoal Fort Union Formation The Fort Union Formation is divided into three members, which are, in descending order: the Tongue River Member, the Lebo Member, and the Tullock Member. The mineable Wyodak Coal occurs at the top of the Fort Union, within the Tongue River Member. The subcoal Fort Union consists primarily of lithified sands and shales, and is divided into three hydrogeologic units: the upper Tongue River aquifer, the Lebo confining layer, and the Tullock aquifer (Law, 1976). Of the three units, the Tullock is the most prolific in terms of groundwater yield. Mining does not directly disturb the hydrogeologic units below the mineable coal, but many PRB mines have water supply wells completed in Tullock aquifer (Martin et al. 1988). The town of Wright also taps the Tullock Member for its water supply, in addition to the Lance Sandstone that lies below the Fort Union Formation. In a few cases, there have been drawdowns in the subcoal aquifer due to leakage into mine pits, dewatering, and CBNG development (BLM 2001). The upper Tongue River aquifer consists of lenticular, finegrained sandstone inter-bedded with mudstone. The Lebo confining layer is typically more fine-grained than the other two members and generally retards Draft EIS, Wright Area Coal Lease Applications S4-17

Supplementary Information on the Affected Environment the movement of water (Lewis and Hotchkiss 1981). The Lebo confining layer typically separates the Tongue River and Tullock aquifers hydraulically. The Tullock aquifer consists of discontinuous lenses of sandstone separated by interbedded shale and siltstone. Transmissivity is equal to an aquifer’s hydraulic conductivity, or permeability, times the aquifer’s saturated thickness, and is used commonly when discussing the hydraulic properties of the subcoal Fort Union Formation where wells are completed by exposing many discrete sand lenses to the well bore. Transmissivities are generally higher in the deeper Tullock aquifer than in the shallower Tongue River aquifer, and many mines in the PRB have water-supply wells completed in this interval (Martin et al. 1988). The average transmissivity for the Tullock is 290 square feet per day (ft2/day) (or about 2,200 gpd/ft) (OSM 1984). The water quality of the subcoal Fort Union Formation is generally good, meeting the standards for domestic use, as well as irrigation and livestock use (Ogle and Calle 2006). TDS concentrations measured in various subcoal Fort Union Formation water supply wells in the eastern PRB range from 250 mg/L to 520 mg/L. Water from the subcoal Fort Union is typically of the sodiumbicarbonate type. S4-5.2 Surface Water The Jacobs Ranch Mine site is situated near the eastern margin of the PRB, which is a broad structural trough that lies between the Big Horn Mountains and the Black Hills. The PRB is drained by three separate drainage systems: the Powder/Little Powder, the Belle Fourche, and the Cheyenne rivers. The Jacobs Ranch Mine and West Jacobs Ranch LBA Tract lie within the Little Thunder Creek watershed, which is a tributary of Black Thunder Creek, which is a tributary of the Cheyenne River. The topography of the Cheyenne River drainage basin is typified by broad, flat, inter-stream uplands and a wide, level expanse of eastward-sloping plains broken by a few isolated buttes. The majority of streams and draws within the West Jacobs Ranch LBA Tract drain to the North Prong Little Thunder Creek, which flows from northwest to southeast diagonally through the LBA tract and joins the Little Thunder Creek channel roughly 8 miles downstream of the tract. Little Thunder Creek empties into Black Thunder Creek approximately 25 miles east-southeast of the West Jacobs Ranch LBA Tract. The total drainage for Little Thunder Creek is approximately 127 square miles, and the mainstream channel is about 26 miles long. The Little Thunder Creek watershed has a dendritic drainage pattern with an approximate width (north-south) of 11.7 miles and an approximate length (east-west) of 15.3 miles. The relief of Little Thunder Creek’s drainage basin is 490 feet from its headwaters to its confluence with Black Thunder Creek. The most prominent drainages within the West Jacobs Ranch LBA Tract include the North Prong and Dry Fork Little Thunder Creek. School Section Draw and an unnamed draw meet North Prong in Section 28, T.44N., R.71W. S4-18 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Dry Fork runs through the southern portion of the LBA tract and joins North Prong east of the tract in Section 2, T.43N., R.71W. Figure 3-30 in the WAC DEIS depicts the surface water features within and adjacent to the West Jacobs Ranch LBA Tract. The landscape is characterized by rolling topography with higher bluffs along the northwestern boundary of the tract that form the origin of many of the draws that enter the tract from the northwest, including North Prong. The topography in the LBA tract is relatively subdued, drainage densities are fairly low, and internally-drained playas are common topographic and hydrologic features. The eastern portion of the tract does not contribute runoff to any stream and playas have formed in the lowest portion of those non-contributing drainage basins that occur in this area. Springen Draw, for example, borders the tract’s eastern edge, and it is formed by a relatively large closed basin (over 8,000 acres in size) into which several ephemeral draws drain. North Prong has a hydraulic gradient of about 24 feet per mile, or 0.0046. Dry Fork has a gradient of about 9.0 feet per mile, or 0.0035. All streams within and adjacent to the West Jacobs Ranch LBA Tract are ephemeral, responding to precipitation and snowmelt. Runoff is typically of short duration and exhibits temporal patterns similar to precipitation events, although limited bank storage may extend stream flow for longer periods. Streams in the region generally exhibit a low-flow period from October through January, while snowmelt and spring rainfall produce larger flows. Surface water quality typically varies with flow or season. In general, as streamflow increases the TDS concentration decreases and the total suspended solids (TSS) concentration increases. Due to the sparse vegetative cover and the infrequent occurrence of surface runoff, high TSS concentrations can be expected, especially from high flows caused by thunderstorm events. Some characterization of North Prong has been completed by the operators of Jacobs Ranch and Black Thunder mines. Jacobs Ranch Mine (JRCC 2004) sampled the North Prong in 1976 at two locations about 6 miles downstream of the LBA tract, in the SW¼ of Section 15, T.43N., R.70W. TDS concentrations from these locations were 57 mg/L and 148 mg/L. Black Thunder Mine (T) sampled flows in North Prong at a site about 5 miles downstream of the LBA tract in Section 16, T.43N., R.70W. Those samples, which were collected from 1988 to 1991, indicated TDS concentrations ranging from about 200 to 1,700 mg/L attributed mostly to bicarbonate, sulfate and sodium ions. North Prong and its tributaries are listed in the WDEQ Surface Water Classification List (WDEQ/WQD 2009) as a Class 3B stream that is not protected for drinking water or as a fishery, but is protected for other aquatic life, recreation, wildlife, agriculture, industry, and scenic value. There are eleven reservoirs permitted for stock use within the LBA tract. Two of these reservoirs are adjudicated: Thunder Basin No. 1 Reservoir (SE¼ SW¼ of Section 28, T.44N., R.71W.), which receives water from North Prong, and Stuart Reservoir (NE¼ SW¼ of Section 3, T.43N., R.71W.), which impounds Draft EIS, Wright Area Coal Lease Applications S4-19

Supplementary Information on the Affected Environment Dry Fork and Brater Draw (Figure 3-30 in the WAC DEIS). Six other apparent reservoirs within the LBA tract that are not listed in Wyoming State Engineer’s (SEO’s) records are evident on the USGS topographical map and visible in aerial photography. S4-5.3 Water Rights The Wyoming State Engineer’s Office (SEO) administers water rights in Wyoming. Water rights are granted for both groundwater and surface water appropriations. Prior to development of water resources associated with energy development, water appropriations (either groundwater or surface water) in the PRB were typically for livestock use. SEO records were searched for groundwater rights within 3 miles of the BLM study area for the West Jacobs Ranch LBA Tract. This information is required for WDEQ permitting. The summary of the most recent search is provided below. Currently, mining companies and coal bed natural gas (CBNG) development companies hold the majority of the water rights in the search area. A more detailed listing of the non-coal mine related groundwater rights within a 3-mile radius of the LBA tract is presented in Table S4-4. As of September 2007, there were 1,171 permitted water wells within 3 miles of the BLM Study Area for the West Jacobs Ranch LBA Tract, 231 of which were owned by coal mining companies. The remaining 940 permitted wells, which include 645 wells permitted for uses related to CBNG development, were permitted for the following uses:
                    

440 CBNG only 181 stock and CBNG 117 monitoring 76 stock only 34 miscellaneous 17 domestic and stock 14 domestic only 9 stock, CBNG, and reservoir supply 8 stock, CBNG, and miscellaneous 7 miscellaneous and CBNG 7 municipal 6 industrial 6 miscellaneous and reservoir supply 6 stock, miscellaneous, dewatering, and reservoir supply 3 irrigation only 2 miscellaneous and municipal 1 dewatering 1 miscellaneous, industrial and temporary use 1 stock, miscellaneous, monitoring 1 industrial and miscellaneous 1 test Draft EIS, Wright Area Coal Lease Applications

S4-20

Supplementary Information on the Affected Environment SEO records were also searched for surface water rights within 3 miles of the LBA tract’s BLM Study Area. This information is also required for WDEQ permitting. The rights are tabulated in Table S4-5, and a summary of the most recent search is provided below. As of September 2007, there were 150 permitted surface water rights within the search area, 33 of which were related to mining. The remaining 117 surface water rights were permitted for the following uses:
     

73 stock 3 stock and irrigation 2 industrial and temporary use 1 fish propagation 1 reservoir supply 37 not specified

Draft EIS, Wright Area Coal Lease Applications

S4-21

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract.
Permit
P2976P P5869W P120269W P120270W P120271W P120272W P120273W P120274W P120275W P120276W P135816W P135817W P135818W P5867W P19254P P31780W P31781W P81595W P120277W P120278W P120279W P126215W P128063W P135815W P9681W P120245W P120246W P120248W P121847W P121848W P123659W P125923W P128064W P132544W P135820W P19251P P48534W P162567W P162568W P162569W P3050W P128467W P3343W P118160W P118161W P118162W P118163W P118164W

Priority
6/11/1961 6/22/1970 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 6/15/2001 6/15/2001 6/15/2001 6/22/1970 9/30/1954 1/7/1976 1/7/1976 1/8/1990 11/1/1999 11/1/1999 11/1/1999 6/9/2000 8/4/2000 6/15/2001 7/13/1971 11/1/1999 11/1/1999 11/1/1999 12/27/1999 12/27/1999 2/28/2000 5/25/2000 8/4/2000 2/8/2001 6/15/2001 9/30/1954 5/29/1979 9/20/2004 9/20/2004 9/20/2004 9/15/1969 8/17/2000 10/6/1969 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999

T
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

R
70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
6 6 6 6 6 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7 7 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 3 3 4 4 4 4 4 5

QQ
NWSE NESE NWNW NWSW SENW SESW NWNE NWSE SENE SESE SESE SENE SENW NWNE NWSE SWNW SENW SWSW NWNW SENW SENE NWNE SESW SENE NENE NWSW SESW SESE SENE SENW NWNE NWNW NWSE SWNE SESW NWSE SWSW NENE SWNE NESE SWSE SWNW SWNE NWSW SESW NWSE SESE SENW

Applicant
MILLS LAND & LIVESTOCK CO., INC. RENO LIVESTOCK CORPORATION RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RENO LIVESTOCK CORPORATION KENNETH & SYLVIA REVLAND RENO LIVESTOCK CORPORATION WYOMING STATE HIGHWAY DEPARTMENT JACOBS LAND AND LIVESTOCK RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC BELLE FOURCHE PIPELINE CO.**GLADYS KINGTON NORWOOD RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC USDA, NATIONAL FOREST SERVICE** RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC ARK LAND COMPANY BURLINGTON NORTHERN INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. INC. STUART BROTHERS LANCE OIL & GAS COMPANY, INC STUART BROTHERS INC. LANCE OIL & GAS COMPANY, LANCE OIL & GAS COMPANY, LANCE OIL & GAS COMPANY, LANCE OIL & GAS COMPANY, LANCE OIL & GAS COMPANY, INC INC INC INC INC

Facility Name
MILLS #25 HEARTSPEAR 15 CBM H #11-06 CBM H #13-06 CBM H #22-06 CBM H #24-06 CBM H #31-06 CBM H #33-06 CBM H #42-06 CBM H #44-06 ENL CBM H # 44-06 ENL CBM H # 42-06 ENL CBM H # 22-06 HEARTSPEAR 13 REVLAND #2 RENO #1 RENO #2 #1 SOUTH CONSOL CBM H #11-07 CBM H #22-07 CBM H #42-07 CBM H #31-07 CBM H 24-07 ENL CBM H # 42-07 SOUTH HILIGHT #1 CBM CBM CBM CBM CBM CBM CBM D #13-01 D #24-01 D #44-01 D #42-01 D #22-01 C #31-01 D #11-01

Status
PUW PUW UNA GST GST GST UNA GST GST GST GST GST GST PUW PUW PUW PUW UNA UNA GST GST GST UNA GSI PUW UNA GST UNA UNA UNA UNA UNA UNA UNA GST UNA PUW GST GSI GST PUW GST PUW GST GST GST GST GST

Uses
STO STO,IND,MIS STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO STO STO IND,MIS STO STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM DOM,STO STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM MON STO,CBM STO MIS CBM CBM CBM STO CBM STO CBM CBM CBM CBM CBM

Static WL
130 153 145 153 150 162 235 164 145 145 164 153 7 -1 10.67 -1 20 156 156 134 149 140 134 221 190 156 154 137 147 180 162 151 196 156 80 345

T.D.
260 301 259 289 265 300 273 317 291 291 317 29 210 36 110 260 100 289 276 267 270 282 267 346 376 359 310 310 345 377 395 326 365 359 147 400

CBM D 33-01R CBM D # 32-01 ENL CBM D # 24-01 REVLAND #1 MARY ANN #4 REVLAND TRUST FEDERAL #41-2-4371 REVLAND TRUST FEDERAL #32-2-4371 REVLAND TRUST FEDERAL #43-2-4371 STUART #10 STUART FEDERAL 12-3 4371 STUART #8 STUART 13-4 STUART 24-4 STUART 33-4 STUART 44-4 STUART 22-5

330 60 436 160 294 285 275 272 322

383 145 496 273 617 571 590 559 702

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P118165W P118166W P118167W P118168W P121878W P121879W P121880W P121881W P121882W P121883W P121884W P121885W P121886W P121887W P128475W P107621W P107622W P107624W P112055W P112056W P112057W P116056W P116057W P121888W P121889W P121890W P121891W P12761P P128481W P165345W P107568W P110773W P115199W P45855W P118169W P166310W P166746W P166747W P12762P P121916W P121917W P5866W P120249W P120250W P120251W P120252W P120253W P120254W P120255W P120256W

Priority
8/6/1999 8/6/1999 8/6/1999 8/6/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 8/17/2000 9/17/1997 9/17/1997 9/17/1997 10/6/1998 10/6/1998 10/6/1998 5/27/1999 5/27/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/30/1951 8/15/2000 1/31/2005 7/28/1997 6/22/1998 4/16/1999 10/11/1978 8/6/1999 3/18/2005 4/1/2005 4/1/2005 12/30/1950 12/30/2000 12/30/2000 6/22/1970 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999 11/1/1999

T
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7 7 7 8 8 8 9 9 9 10 10 10 10 10 11 11 11 12 12 12 12 12 12 12 12 12

QQ
SESW NWSE SENE SESE NWNW NWSW NWNE NWNW NWSW SENW NWNE NWSE SENE SESE SESW SWSW NWSW NWNW NENW NESW SESW SWSW NWSW SWNE SWSE NENE NESE SWSW NENE NESE NENE NESE NENE SWNE NESW SWSE SWNE NESE SENW SWSE NESE SWNE NWNW NWSW SENW SESW NWNE NWSE SENE SESE LANCE LANCE LANCE LANCE LANCE LANCE LANCE LANCE LANCE LANCE LANCE LANCE LANCE LANCE OIL OIL OIL OIL OIL OIL OIL OIL OIL OIL OIL OIL OIL OIL & & & & & & & & & & & & & & GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS

Applicant
COMPANY, COMPANY, COMPANY, COMPANY, COMPANY, COMPANY, COMPANY, COMPANY, COMPANY, COMPANY, COMPANY, COMPANY, COMPANY, COMPANY, INC INC INC INC INC INC INC INC INC INC INC INC INC INC

Facility Name
STUART 24-5 STUART 33-5 STUART 42-5 STUART 44-5 STUART 11-5 STUART 13-5-4371 STUART 31-5-4371 HENDERSON 11-6-4371 HENDERSON 13-6 HENDERSON 22-6-4371 STUART 31-6-4371 STUART 33-6-4371 STUART 42-6-4371 STUART 44-6-4371 HENDERSON FEDERAL 24-6-4371 EDWARDS 14-7 EDWARDS 13-7 EDWARDS 11-7 LITTLE THUNDER EDWARDS 21-7 LITTLE THUNDER EDWARDS 23-7 LITTLE THUNDER EDWARDS 24-7 ENL EDWARDS 14-7 ENL EDWARDS 13-7 LEADBETTER 32-7-4371 LEADBETTER 34-7 LEADBETTER 41-7-4371 LEADBETTER 43-7-4371 RENO #TB 41 FEDERAL 41-8-4371 FEDERAL 43-8-4371 STUART 1-41-9 STUART FEDERAL 42-9 ENL STUART FED. 1-41-9 MARG #13 STUART 23-10 STUART FED 34-10-4371 STUART FED 32-10-4371 STUART FED 43-10-4371 STUART #TB 37 ZIMMER 34-11 ZIMMER 43-11 HEARTSPEAR 12 CBM D #11-12 CBM D #13-12 CBM D #22-12 CBM D #24-12 CBM D #31-12 CBM D #33-12 CBM D #42-12 CBM D #44-12

Status
GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST PUW GST GSI GST GST GST PUW UNA GSI GSI GSI PUW GST GST ADJ GSE UNA GST UNA GST GST GST GST

Uses
CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO,CBM STO,CBM STO,CBM CBM,MIS CBM CBM CBM CBM CBM CBM CBM CBM STO CBM CBM CBM,MIS CBM CBM STO CBM CBM CBM CBM STO CBM CBM STO STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM

Static WL
361 315 303 295 343 337 317 442 375 419 369 393 348 372 750 263 275 550 200 268 254 263 275 361 338 370 343 -1 125 180 408 180 79

T.D.
697 670 628 648 717 688 670 832 860 792 742 760 722 703 807 665 707 628 606 698 688 665 707 640 667 703 680 152 701 540 542 540 383

LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC USDA FOREST SERVICE LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BARRETT RESOURCES CORP USDA FOREST SERVICE BARRETT RESOURCES CORP LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC USDA FOREST SERVICE LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC DALE MILLS**RENO LIVESTOCK CORPORATION RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC

-1 362 350 6

146 442 410 212

179 170 162 170 170

375 365 392 365 375

Draft EIS, Wright Area Coal Lease Applications

S4-23

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P135819W P143826W P144375W P5862P P112580W P121919W P121920W P121989W P123115W P123116W P132545W P19253P P121921W P121922W P123113W P141592W P166322W P166323W P139458W P139459W P139460W P139461W P145780W P145788W P145789W P33997W P123106W P123107W P123108W P123109W P123110W P128141W P128142W P129244W P123018W P123019W

Priority
6/15/2001 4/2/2002 5/2/2002 8/31/1968 10/30/1998 12/30/2000 12/30/2000 12/31/1999 2/7/2000 2/7/2000 2/8/2001 12/31/1950 12/30/2000 12/30/2000 2/7/2000 12/17/2001 3/18/2005 3/18/2005 9/24/2001 9/24/2001 9/24/2001 9/24/2001 6/26/2002 6/26/2002 6/26/2002 7/6/1976 2/7/2000 2/7/2000 2/7/2000 2/7/2000 2/7/2000 8/8/2000 8/8/2000 9/5/2000 1/19/2000 1/19/2000

T
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
12 12 12 13 13 13 13 13 13 13 13 14 14 14 14 14 14 14 15 15 15 15 15 15 15 16 16 16 16 16 16 16 16 16 17 17

QQ
NWNE SENE NWSE NESW NWNW SENW SESW NWSW SESE NWSE NENE SENW SENE SESE SWSW SWSW SWSE SWNE SWNW NENW SWSW NESW NESE SWSE NENE SESE SWSE NESW NENW SWSW SWNW NENE SWNE NESE NENW NESW

Applicant
RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC. RENO LIVESTOCK CORPORATION LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC RIM OPERATING, INC ARK LAND COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC COLEMAN OIL & GAS, INC.** THUNDER BASIN COAL COMPANY LLC COLEMAN OIL & GAS, INC.** THUNDER BASIN COAL COMPANY LLC COLEMAN OIL & GAS, INC.** THUNDER BASIN COAL COMPANY LLC COLEMAN OIL & GAS, INC.** THUNDER BASIN COAL COMPANY LLC THUNDER BASIN COAL COMPANY** COLEMAN OIL & GAS, INC. THUNDER BASIN COAL COMPANY** COLEMAN OIL & GAS, INC. THUNDER BASIN COAL COMPANY** COLEMAN OIL & GAS, INC. WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** COLEMAN OIL & GAS, INC. WY STATE BOARD OF LAND COMMISSIONERS** COLEMAN OIL & GAS, INC. WY STATE BOARD OF LAND COMMISSIONERS** COLEMAN OIL & GAS, INC. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC

Name
ENL CBM D # 31-12 ENL. CBM D #42-12 ENL. CBM D #33-12 HEARTSPEAR 8 YOUNG 11-13 ARCH 22-13 ARCH 24-13 ARCH 13-13 HOPKINS TRUST 44 13-4371 ARCH 33-13-4371 CBM D # 41-13 REVLAND #3 ARCH 42-14 ARCH 44-14 REVLAND TRUST 14 14-4371 REVLAND TRUST 14 14-4371 FEDERAL 34-14-4371 FEDERAL 32-14-4371 THUNDER BASIN #15 12 THUNDER BASIN #15 21 THUNDER BASIN #15 14 THUNDER BASIN #15 23 THUNDER BASIN #15 43 THUNDER BASIN #15 34 THUNDER BASIN #15 41 WCH 3 STATE 34-16-4371 STATE 23-16-4371 STATE 21-16-4371 STATE 14-16-4371 STATE 12-16-4371 EDWARDS STATE 16-1 EDWARDS STATE #16 2 EDWARDS STATE #3 16 ARKLAND 21-17-4371 ARKLAND 23-17-4371

Status
GST GST GST PUW GST GST GST GST GST GST GST UNA GST GST GSI GSI GSI GSI GST GST GST GST GST GST GST PUW GST GST GST GST GST GST GST GST GST GST

Uses
STO,CBM STO,CBM STO,CBM STO CBM CBM CBM CBM CBM CBM MON STO CBM CBM CBM CBM CBM CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM MON CBM CBM CBM CBM CBM CBM CBM STO,CBM CBM CBM

Static WL
170 170 162 90 301 347 340 362 183 140 221 -1 361 410

T.D.
365 365 392 324 410 410 415 432 384 450 385 80 462 467

473 452 450 464 454 448 470

562 519 543 543 503 542 521

349 353 482 399 425 61 59 63 554 464

623 610 602 620 622 542 556 526 630 650

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P123020W P123021W P137865W P137866W P137867W P137868W P143845W P143846W P143858W P143859W P148119W P148120W P152897W P151684W P151685W P151686W P151687W P151688W P151689W P151690W P153633W P143847W P143849W P143850W P143851W P143852W P143853W P143854W P154193W P32088W P32089W P32090W P84348W P143855W P143856W P143857W P167145W P169600W P169867W P176288W P8912W P8913W P121923W P121924W P121925W P121926W P152852W P167141W P44326W

Priority
1/19/2000 1/19/2000 7/23/2001 7/23/2001 7/23/2001 7/23/2001 4/9/2002 4/9/2002 4/9/2002 4/9/2002 10/29/2002 10/29/2002 7/25/2003 5/30/2003 5/30/2003 5/30/2003 5/30/2003 5/30/2003 5/30/2003 5/30/2003 8/12/2003 4/9/2002 4/9/2002 4/9/2002 4/9/2002 4/9/2002 4/9/2002 4/9/2002 9/9/2003 1/16/1976 1/16/1976 1/16/1976 2/5/1991 4/9/2002 4/9/2002 4/9/2002 4/13/2005 8/19/2005 8/15/2005 7/12/2006 5/4/1971 5/24/1971 12/30/2000 12/30/2000 12/30/2000 12/30/2000 7/24/2003 4/13/2005 7/20/1978

T
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
17 17 17 17 17 17 18 18 18 18 18 18 18 19 19 19 19 19 19 19 19 20 20 20 20 20 20 20 20 21 21 21 21 21 21 21 21 21 21 21 22 22 22 22 22 22 22 22 23

QQ
SWSE NESE SWNW SWSW SWNE NENE SWSE NESE SWSW NESW NENE SWNE SWNW NESE SWSE SWNE NESW NENW SWSW SWNW NENE SWSW SWNW NENW SWNE SWSE NENE NESE NWNW SENE SENE SENE SENE SWNW SWSW NENW NESW SWNE NENE SESW NWNW SWNW SWNE SWSE NENE NESE SWSW SWSW SWSW

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WESTPORT OIL & GAS COMPANY, L.P. WESTPORT OIL & GAS COMPANY, L.P. WILLIAMS PRODUCTION RMT COMPANY WESTPORT WESTPORT WESTPORT WESTPORT WESTPORT WESTPORT WESTPORT OIL OIL OIL OIL OIL OIL OIL & & & & & & & GAS GAS GAS GAS GAS GAS GAS COMPANY COMPANY COMPANY COMPANY COMPANY COMPANY COMPANY INC INC INC INC INC INC INC

Facility Name
ARKLAND 34-17-4371 ARKLAND 43-17-4371 THUNDER BASIN COAL FEDERAL 12-17-4371 THUNDER BASIN COAL FEDERAL 14-17-4371 FEDERAL 32-17-4371 FEDERAL 41-17-4371 FEDERAL 34-18-4371 FEDERAL 43-18-4371 FEDERAL 14-18-4371 FEDERAL 23-18-4371 FEDERAL 41-18-4371 FEDERAL 32-18-4371 EDWARDS FEDERAL 12-18-4371 FEDERAL 43-19 FEDERAL 34-19 FEDERAL 32-19 FEDERAL 23-19-4371 FEDERAL 21-19-4371 FEDERAL 14-19-4371 FEDERAL 12-19-4371 ARCH STATE 41-19 4371 FEDERAL 14-20-4371 FEDERAL 12-20-4371 FEDERAL 21-20-4371 FEDERAL 32-20-4371 FEDERAL 34-20-4371 FEDERAL 41-20-4371 FEDERAL 43-20-4371 ARCH STATE 11-20 4371 LTB 2A LTB 2B LTB 2C EDWARDS #T.B. 266 FEDERAL 12-21 FEDERAL 14-21 FEDERAL 21-21 FEDERAL 23-21-4371 FEDERAL 32-21-4371 FEDERAL 41-21-4371 EDWARDS #8 RENO #T B 152 RENO #T B 153 ARCH 32-22 ARCH 34-22 ARCH 41-22 ARCH 43-22 FEDERAL 14-22-4371R FEDERAL 14-22-4371R MARG #1

Status
GST GST GST GST GST GST GSI GSE GSE GSE GST GST GST GSE GSE GSE GSE GSE GSE GSE GST GSE GSI GSE GSE GSE GSE GSE GST PUW PUW PUW UNA GSE GSE GSE GSI GSI GSI GSI PUW PUW GST GST GST GST GSE GSI PUW

Uses
CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO,CBM CBM CBM CBM CBM CBM CBM CBM STO,CBM CBM CBM CBM CBM CBM CBM CBM STO,CBM MON MON MON STO CBM CBM CBM CBM CBM CBM STO STO STO CBM CBM CBM CBM CBM CBM STO

Static WL
367 378 59 190 10 190

T.D.
631 610 643 641 590 641

572.6 612.4 641

637 650 723

WILLIAMS PRODUCTION RMT COMPANY LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT COMPANY UNIVERSITY OF WYOMING WRRI UNIVERSITY OF WYOMING WRRI UNIVERSITY OF WYOMING WRRI USDA FOREST SERVICE LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. THOMAS W. & LEAH B. EDWARDS USDA FOREST SERVICE USDA FOREST SERVICE LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT COMPANY LANCE OIL & GAS COMPANY, INC USDA FOREST SERVICE

594

657

567 37 36 191 191

664 100 200 574 574

-1 -1 241 230 236 244

-1 -1 541 540 531 514

230

375

Draft EIS, Wright Area Coal Lease Applications

S4-25

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P128505W P152855W P167138W P167144W P167146W P169601W P169864W P169868W P121927W P121928W P128509W P147621W P166461W P167139W 39/8/477W P101221W P112058W P112059W P112060W P112061W P116058W P121892W P121893W P128527W P128528W P128529W P128531W P2292W P41506W P54276W P65160W P66349W P100735W P130855W P130856W P130857W P130858W 40/3/264W P2291W P102005W P106939W

Priority
8/17/2000 7/24/2003 4/13/2005 4/13/2005 4/13/2005 8/19/2005 8/15/2005 8/15/2005 12/30/2000 12/30/2000 8/17/2000 10/4/2002 3/31/2005 4/13/2005 1/2/2007 1/8/1996 10/6/1998 10/6/1998 10/6/1998 10/6/1998 5/27/1999 12/29/1999 12/29/1999 8/17/2000 8/17/2000 8/17/2000 8/17/2000 12/31/1951 1/18/1978 10/7/1980 2/10/1982 11/7/1983 10/23/1995 11/14/2000 11/14/2000 11/14/2000 11/14/2000 7/16/2007 12/31/1951 4/9/1996 8/5/1997

T
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72

S
23 23 23 23 23 23 23 23 24 24 24 24 24 24 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 3 3

QQ
SWSE NENW SWNW NENW NESW SWNE NESE NENE SENW NWNE SWSW NENE NESW SWNW NESE NESE NWSE SWSE NESE SESE NESE NWSE SESW SWNW NENW SWNE NENE SWNW SESW SESW SESW NENW SWSW NESE SWNE SWSE NENE SWNE NWSE NESE SWSE

Applicant
USDA, NATIONAL FOREST SERVICE** LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC USDA, NATIONAL FOREST SERVICE** WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC PAUL R/RUBY H STUART PAUL R/RUBY H STUART LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BARRETT RESOURCES CORP. WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC COSNER RANCH INC. WYOMING STATE HIGHWAY DEPARTMENT**INC. STEWART BROTHERS WYOMING STATE HIGHWAY DEPARTMENT PAUL AND RUBY H. STUART ROBERT H. & DOROTHY A. GRAY PAUL R/RUBY H STUART LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WRIGHT WATER & SEWER DISTRICT COSNER RANCH INC. TIMOTHY J/MARIS L MEISTER RODNEY NEAL HICKS

Facility Name
BRC FEDERAL 34-23 FEDERAL 21-23-4371 FEDERAL 12-23-4371 FEDERAL 21-23-4371 FEDERAL 23-23-4371 FEDERAL 32-23-4371 FEDERAL 43-23-4371 FEDERAL 41-23-4371 ARCH 22-24 ARCH 31-24 BRC FEDERAL 14-24 ARCH 41-24-4371 FEDERAL 23-24-4371 FEDERAL 12-24-4371WY NORTHEAST PASTURE #2 NORTHEAST PASTURE #1 LITTLE THUNDER STUART 33-1 LITTLE THUNDER STUART 34-1 LITTLE THUNDER STUART 43-1 LITTLE THUNDER STUART 44-1 ENL STUART 43-1 STUART 13-1-4372 STUART 24-1 STUART FEDERAL 12-1 4372 STUART FEDERAL 21-1 4372 STUART FEDERAL 32-1 4372 STUART FEDERAL 41-1 4372 COSNER #16 STEWART BROTHERS #5 STEWART BROTHERS #5 STUART BROTHERS #5 LAUGHING WATERS #1 PAUL #3 STUART 43-2-4372 STUART 32-2-4372 STUART 34-2-4372 STUART 41-2-4372 RJ-7 COSNER #15 MEISTER #1 HICKS #1

Status
GST GSE GSI GSI GSI GSI GSI GSI GST GST GST GSE GSI GSI UNA UNA GST GST GST GST GST GST GST GST GST GST GST PUW PUW PUW UNA PUW UNA GST GST GST GST UNA PUW UNA UNA

Uses
CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO STO CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO MIS MIS STO MIS DOM,STO CBM CBM CBM CBM MUN,MIS STO DOM,STO DOM,STO

Static WL
360

T.D.
475

352 267 321

427 470 421

102 330.4 324 350 318 350 512 540 48.5 167 46.2 93 60 69 69 69 105 749 715 654 834 90 120 120

120 791 770 835 765 835 842 882 855 993 890 931 75 258 258 258 235 823 830 800 881 125 280 240

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P111488W P117269W P146810W P146811W P146812W P164796W P101766W P102916W P104026W P104782W P139583W P146826W P146827W P164790W P164791W P164792W P164793W P164794W P164795W P2296W P5328W P13081P P18211P P29600W P31660W P32087W P41502W P41503W P41507W P52701W P54275W P59329W P65159W P80780W P94949W P94950W P94951W

Priority
8/11/1998 7/28/1999 8/19/2002 8/19/2002 8/19/2002 12/27/2004 3/18/1996 7/5/1996 9/20/1996 1/6/1997 10/11/2001 8/19/2002 8/19/2002 12/27/2004 12/27/2004 12/27/2004 12/27/2004 12/27/2004 12/27/2004 8/5/1951 4/22/1970 7/31/1959 8/31/1959 3/10/1975 12/2/1975 1/16/1976 1/18/1978 1/18/1978 1/18/1978 3/31/1980 10/7/1980 6/16/1981 2/10/1983 9/5/1989 4/12/1994 4/12/1994 4/12/1994

T
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

R
72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72

S
3 3 3 3 3 3 10 10 10 10 10 10 10 10 10 10 10 10 10 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11

QQ
SESW SESW NWNW SENW NWSW NESW NESE SENW SWNE NENE SWSE NWNW NWSW SWSE NESW NESE SWNE NENW NENE NWSW SWSW SENW NESW NWSW NWSW SENW NWNE SWNE SENE SENW NWNE SENW NWNE SWSW SENW SENW SENW

Applicant
WALTER F/CYNTHIA SIEBERT ALVIN/CINDY MILLER DEAN COSNER** DEVON ENERGY PRODUCTION COMPANY, L.P. DEAN COSNER** DEVON ENERGY PRODUCTION COMPANY, L.P. DEAN COSNER** DEVON ENERGY PRODUCTION COMPANY, L.P. DEVON ENERGY PRODUCTION COMPANY, L.P. MICHAEL/SAMMIE ISBELL SHAWN L/DEBORAH L KORNEGAY PAUL A AUZQUI TED COSNER GARRY W. / KAREN S. STARKS DEAN COSNER** DEVON ENERGY PRODUCTION COMPANY, L.P. DEAN COSNER** DEVON ENERGY PRODUCTION COMPANY, L.P. DEVON ENERGY PRODUCTION COMPANY, L.P.**TED COSNER DEVON ENERGY PRODUCTION COMPANY, L.P.**TED COSNER DEVON ENERGY PRODUCTION COMPANY, L.P. DEVON ENERGY PRODUCTION COMPANY, L.P. DEVON ENERGY PRODUCTION COMPANY, L.P.**TED COSNER DEVON ENERGY PRODUCTION COMPANY, L.P. COSNER RANCH INC. COSNER RANCH INC. WYOMING STATE HIGHWAY DEPARTMENT DOUGLAS D WILLIAMS COSNER RANCH INC. COSNER RANCH INC. UNIVERSITY OF WYOMING WRRI WYOMING STATE HIGHWAY DEPARTMENT**INC. STEWART BROTHERS WYOMING STATE HIGHWAY DEPARTMENT**INC. STEWART BROTHERS WYOMING STATE HIGHWAY DEPARTMENT**INC. STEWART BROTHERS WYOMING STATE HIGHWAY DEPARTMENT WYOMING STATE HIGHWAY DEPARTMENT WYOMING STATE HIGHWAY DEPARTMENT PAUL AND RUBY H. STUART TED R. COSNER WYOMING DEPT. OF TRANSPORTATION WYOMING DEPT. OF TRANSPORTATION WYOMING DEPT. OF TRANSPORTATION

Facility Name
SIEBERT #1 MILLER NO.1 D COSNER FEDERAL 3W-4 D COSNER FEDERAL 3W-6 D COSNER FEDERAL 3W-12 MEISTER FEDERAL 3W 11 ISBELL #1 KORNEGAY #1 SAM #1 HLADKY #1 STARKS # 1 D COSNER FEDERAL 10W-4 DCOSNER FEDERAL10W-12 T COSNER FEDERAL 10W-15 T COSNER FEDERAL 10W-11 MULLINS FEDERAL 10W-9 MACKEY FEDERAL 10W-7 T COSNER FEDERAL 10W-3 HLADKY FEDERAL 10W 1 COSNER #17 (DEEPENED) COSNER #21 RENO CAMP #1 COSNER #23 ENL COSNER #17 ENL COSNER #17 LTB 1 STEWART BROTHERS #1 STEWART BROTHERS #2 STEWART BROTHERS #6 RENO WHD #2 STEWART BROTHERS #1 ENL RENO CAMP #1 STUART BROTHERS #1 #S1 COSNER 3093RJ-1 3093RJ-2 3093RJ-3

Status
UNA GST GST GST GST UNA UNA UNA UNA GST GST GST GST GST GST GST GST GST PUW PUW ADJ UNA PUW PUW PUW PUW PUW PUW PUW PUW PUW UNA UNA UNA UNA UNA

Uses
DOM DOM STO,CBM STO,CBM STO,CBM CBM DOM,STO DOM DOM,STO DOM,STO DOM,STO STO,CBM STO,CBM CBM CBM CBM CBM CBM CBM STO STO DOM DOM TEM,IND,DRI STO MON IND IND MIS MIS MIS MIS STO STO MON MON MON

Static WL
120 150 719 781 810 866 230 150 120 140 84 150 801 846 869 771 871 859 806 20 15 -1 270 20 20 74 69.5

T.D.
280 400 958 986 986 929 470 365 260 240 260 950 1033 906 927 832 893 915 860 212 208 513 490 212 212 300 235

80 69.5 -1 69.5 2 15.33 24.89 14.02

240 235 513 235 8 25 33 28

Draft EIS, Wright Area Coal Lease Applications

S4-27

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P94952W P121894W P121895W P121896W P121897W P121898W P121899W P129035W P147614W P147615W P147616W P17996P P41504W P101222W P107613W P107614W P107615W P107617W P107618W P112062W P112063W P112064W P116053W P116054W P116055W P116059W P116843W P121900W P121901W P48347W P48350W P106627W P141174W P145688W P145689W P152894W P158173W P173883W P147608W P149731W P151692W P151693W P158965W

Priority
4/12/1994 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 9/20/2000 10/4/2002 10/4/2002 10/4/2002 12/31/1935 1/18/1978 1/8/1996 9/17/1997 9/17/1997 9/17/1997 9/17/1997 9/17/1997 10/6/1998 10/6/1998 10/6/1998 5/27/1999 5/27/1999 5/27/1999 5/27/1999 6/24/1999 12/29/1999 12/29/1999 6/4/1979 6/5/1979 6/10/1997 11/27/2001 5/21/2002 5/21/2002 7/25/2003 4/1/2004 3/24/2006 10/4/2002 2/19/2003 5/30/2003 5/30/2003 5/17/2004

T
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

R
72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72

S
11 11 11 11 11 11 11 11 11 11 11 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 13 13 13 13 13 13 13 13 13 14 14 14 14 14

QQ
SENW SWNW NENW NESW SWNE SWSE NESE NENE SWNW NESW NENW SWSE NWNW NWNW SESE NESE NENE SWSE NWSE SWSW NESW SESW NESE SWSE NWSE NESW SESE SWNW NENW NWSE NWSE NWNW NENE NESW SWSW SWSE NESE SWNE NENE SWNE NESE SWSE NESW

Applicant
WYOMING DEPT. OF TRANSPORTATION WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC BARRETT RESOURCES CORP WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WY STATE ENGINEER'S OFFICE LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BILLY D. EDWARDS WYOMING STATE HIGHWAY DEPARTMENT**INC. STEWART BROTHERS PAUL R/RUBY H STUART LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BARRETT RESOURCES CORP. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC HARRY UNDERWOOD THE LOUISISANA LAND & EXPLORATION COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WESTPORT OIL & GAS COMPANY INC WESTPORT OIL & GAS COMPANY INC DEVON ENERGY PRODUCTION COMPANY, L.P.**DEAN COSNER

Facility Name
3093RJ-4 STUART 12-11-4372 STUART 21-11-4372 STUART 23-11-4372 STUART 32-11-4372 STUART 34-11 STUART 43-11-4372 CBM-MON-7W STUART 12-11-4372 STUART 23-11-4372 STUART 21-11-4372 HAY FIELD #1 STEWART BROTHERS #3 HOUSE #1 EDWARDS 44-12 EDWARDS 43-12 EDWARDS 4-12-8 EDWARDS 34-12 EDWARDS 33-12 LITTLE THUNDER STUART 44-12 LITTLE THUNDER STUART 23-12 LITTLE THUNDER STUART 24-12 ENL EDWARDS 43-12 ENL EDWARDS 34-12 ENL EDWARDS 33-12 ENL STUART 23-12 ENL EDWARDS 44-12 STUART 12-12-4372 STUART 21-12-4372 LL&E CO. # 1 STOCK LL&E CO. #1 EDWARDS FEDERAL #1-13 EDWARDS FEDERAL 41-13-4372 USFS4372-13-31 PORCUPINE TUIT FED 13-33UW EDWARDS 34-13-4372 EDWARDS 43-13-4372 EDWARDS FED 32-13 4372 CARLSON 41-14-4372 CARLSON 32-14-4372 FEDERAL 43-14 FEDERAL 34-14 D COSNER FEDERAL 14W-11

Status
UNA GSI GSI UNA GST GSI GST UNA GST GST GST PUW PUW UNA GST GST UNA GST GST GST GST GST GST GST GST GST GST GST GST PUW PUW GST GST GST GST GST GSI GST GST GST GSE GSE GST

Uses
MON CBM CBM CBM CBM CBM CBM MON CBM CBM CBM STO IND DOM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO MIS STO,CBM CBM STO,CBM,RES STO,CBM,RES CBM CBM CBM CBM CBM CBM CBM STO,CBM

Static WL
14.67

T.D.
28

371 362 296 704 636 680 25

602 720 491 824 838 834 340

52 258 272 257 263 265 263 265 272 257 263 263 258 412 377

95 727 675 716 671 733 587 690 675 716 671 587 727 607 642

268 496 652 647 597 407 642 675

642 603 759 771 710 571 798 792

735

787

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P158966W P2297W P147565W P147566W P147567W P147568W P170648W P2956P P145690W P145691W P159553W P159554W P159555W P159556W P159557W P159558W P12765P P82834W P145692W P145693W P145695W P145696W P145701W P152895W P152896W P50480W P64729W P11012W P11013W P28316W P28317W P28318W P28319W P47819W P10403W P121836W P140147W P142251W P142252W P2974P P121837W P128092W P128093W

Priority
5/17/2004 7/31/1966 10/3/2002 10/3/2002 10/3/2002 10/3/2002 11/10/2005 5/22/1969 5/21/2002 5/21/2002 5/21/2004 5/21/2004 5/21/2004 5/21/2004 5/21/2004 5/21/2004 2/12/1937 7/2/1990 5/21/2002 5/21/2002 5/21/2002 5/21/2002 5/21/2002 7/25/2003 7/25/2003 9/12/1979 7/5/1983 10/27/1971 10/27/1971 9/24/1974 9/24/1974 9/24/1974 9/24/1974 4/18/1979 9/1/1971 12/27/1999 10/16/2001 1/18/2002 1/18/2002 6/21/1935 12/27/1999 8/7/2000 8/7/2000

T
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

R
72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70

S
14 15 15 15 15 15 15 23 23 23 23 23 23 23 23 23 24 24 24 24 24 24 24 24 24 6 6 7 7 7 7 7 7 18 19 19 19 19 19 30 30 30 30

QQ
SWSW SWNE NENE SWSE NENW SWSW NWNE SENW NENE NESE NENW SWNW SWNE NESW SWSW SWSE SESW SENW NENW SWNW SWSW SWSE NESE NENE SWNE SWNW SWNW NWNW NWNW SWNE SWNE NWNW NWNW NESW SWNW NWSW NWNW SENW SESW NWSE NWNW NWSW SENW

Applicant
DEVON ENERGY PRODUCTION COMPANY, L.P.**DEAN COSNER COSNER RANCH INC. WESTPORT OIL & GAS COMPANY, L.P. WESTPORT OIL & GAS COMPANY, L.P. WESTPORT OIL & GAS COMPANY, L.P. WESTPORT OIL & GAS COMPANY, L.P. GLEN BELT INC. COSNER RANCH PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY DEVON ENERGY PRODUCTION COMPANY, L.P. DEVON ENERGY PRODUCTION COMPANY, L.P. DEVON ENERGY PRODUCTION COMPANY, L.P. DEVON ENERGY PRODUCTION COMPANY, L.P. DEVON ENERGY PRODUCTION COMPANY, L.P. DEVON ENERGY PRODUCTION COMPANY, L.P. USDA FOREST SERVICE USA USDA FOREST SERVICE PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC ASSOCIATION OF INDEPENDENT CONSULTANTS NEIL BUTTE COMPANY INEXCO OIL CO. INEXCO OIL CO. FRANKLIN REALTY FRANKLIN REALTY FRANKLIN REALTY FRANKLIN REALTY ASSOCATION OF INDEPENDENT CONSULTANTS DALE MILLS WILLIAMS PRODUCTION RMT, COMPANY RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. MILLS LAND & LIVESTOCK CO., INC. RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC

Facility Name
D COSNER FEDERAL 14W-13 COSNER #19 COSNER FEDERAL 41 15 COSNER FEDERAL 34 15 COSNER FEDERAL 21 15 COSNER FEDERAL 14 15 DOMESTIC WELL #1 COSNER #20 USFS 4372-23-11UW USFS 4372-23-41UW D COSNER FEDERAL 23W-3 D COSNER FEDERAL 23W-5 D COSNER FEDERAL 23W-7 D COSNER FEDERAL 23W-11 D COSNER FEDERAL 23W-13 D COSNER FEDERAL 23W-15 EDWARDS #TB 27 EDWARDS #TB 265 USFS 4372-24-21UW USFS 4372-24-23UW USFS 4372-24-33UW USFS 4372-24-43UW USFS 4372-24-41UW EDWARDS 41-24-4372 EDWARDS 32-24-4372 ML 4 ML4 CENTRAL WSW #5 2 CENTRAL WSW #5 3 X-2 X-2 (02) X-4 X-4 (02) ESSP1 MILLS JOHNSTON #1 CBM G #13-19 CBM G #11-19 CBM G #22-19 CBM G #24-19 MILLS #23 CBM G #11-30 CBM G 13-30 CBM G 22-30

Status
GST PUW GST GST GST GST GSI PUW GST GST GST GST GST GST GST GST UNA UNA GST GST GST GST GST GST GST PUW UNA ADJ PUW PUW PUW PUW PUW PUW PUW GST GST GST GST PUW GST GST GST

Uses
STO,CBM STO CBM CBM CBM CBM DOM,STO STO STO,CBM,RES STO,CBM,RES STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO STO STO,CBM,RES STO,CBM,RES STO,CBM,RES STO,CBM,RES STO,CBM,RES STO,CBM CBM MON MON IND IND MIS MIS MIS MIS MON STO STO,CBM STO,CBM STO,CBM STO,CBM STO STO,CBM STO,CBM STO,CBM

Static WL
770 61 676.2 773.6 778.7 656.2 240 681 679 764 803 760 820 897 796 -1 50 634 650 679 633 611 612 618 12.17 -1 58.5 -1 167.4 255 120 247 356 338 289 20 45 214 219

T.D.
821 111 840 868 895 962 360 758 766 795 865 809 855 919 827 -1 99 740 742 740 680 689 730 740 25 4940 160 170 275 270 190 388 465 405 345 60 383 340 325

Draft EIS, Wright Area Coal Lease Applications

S4-29

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P128094W P128095W P128096W P128097W P128098W P2975P P120257W P121843W P128099W P128100W P128101W P128102W P128103W P128104W P50478W P50479W P141685W P2964P P2965P P141686W P125047W P143201W P143202W P143203W P143204W P143205W P143206W P143207W P143430W P85619W P122939W P122940W P122941W P122942W P122943W P122945W P122946W P143431W P161614W P122947W P122948W P122949W P137896W P137914W P137916W P137917W P137921W P13290P

Priority
8/7/2000 8/7/2000 8/7/2000 8/7/2000 8/7/2000 12/21/1934 11/1/1999 12/27/1999 8/7/2000 8/7/2000 8/7/2000 8/7/2000 8/7/2000 8/7/2000 9/12/1979 9/12/1979 12/20/2001 12/21/1952 12/21/1927 12/20/2001 4/26/2000 3/7/2002 3/7/2002 3/7/2002 3/7/2002 3/7/2002 3/7/2002 3/7/2002 3/25/2002 6/28/1991 1/19/2000 1/19/2000 1/19/2000 1/19/2000 1/19/2000 1/19/2000 1/19/2000 3/25/2002 8/19/2004 1/19/2000 1/19/2000 1/19/2000 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 12/31/1940

T
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

R
70 70 70 70 70 70 70 70 70 70 70 70 70 70 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
30 30 30 30 30 31 31 31 31 31 31 31 31 31 1 1 1 2 2 2 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 6

QQ
SESW NWNE NWSE SENE SESE SWNW SESW SESE NWNW NWSW SENW NWNE NWSE SENE NENW NENW NWSW NENE SENW SESE NESW SWSW NENW NESW SWNE SWSE NENE NESE SWSE NESW SWNW SWSW NENW NESW SWNE NENE NESE SENW SWSE SWNE NENE NESE SWNW SWSE NESW NENW SWSW SWSW

Applicant
RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC MILLS LAND & LIVESTOCK CO., INC. RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC ASSOCIATION OF INDEPENDENT CONSULTANTS ASSOCIATION OF INDEPENDENT CONSULTANTS RIM OPERATING, INC. MILLS LAND & LIVESTOCK CO., INC. MILLS LAND & LIVESTOCK CO., INC. RIM OPERATING, INC. ALLEN & KAREN TRIGG RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. BOLLER/MILLS RANCH MARIE SWINGHOLM RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC BOLLER/MILLS RANCH RIM OPERATING, INC. RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC DURHAM MEAT CO.

Facility Name
CBM G 24-30 CBM G 31-30 CBM G 33-30 CBM G 42-30 CBM G 44-30 MILLS #24 CBM G #24-31 CBM G #44-31 CBM G 11-31 CBM G 13-31 CBM G 22-31 CBM G 31-31 CBM G 33-31 CBM G 42-31 ML 3 ML 3A CBM C # 13-01 MILL #13 MILLS #14 CBM C # 44-02 TRIGG #1 CBM C #14-3 CBM C #21-3 CBM C #23-3 CBM C #32-3 CBM C #34-3 CBM C #41-3 CBM C #43-3 ISENBERGER #1 SWINGHOLM #1 CBM C #12-4 CBMC #14-4 CBMC #21-4 CBMC #23-4 CBMC #32-4 CBMC #41-4 CBMC #43-4 PAPA WELL #1 CBM C #34-4 CBMC #32-5 CBMC #41-5 CBMC #43-5 BOLLER MILLS RANCH FEDERAL 12-5-4471 SWINGHOLM FEDERAL 34-5-4471 BOLLER MILLS RANCH FEDERAL 23-5-4471 BOLLER MILLS RANCH FEDERAL 21-5-4471 BOLLER MILLS RANCH FEDERAL 14-5-4471 DURHAM MEAT #37

Status
GST GST GST GST GST PUW GST UNA GST GST GST GST GST GST PUW PUW GST PUW PUW GST GST GST GST GST GST GST GST GST GST UNA GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST UNA

Uses
STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM MON MON STO,CBM STO STO STO,CBM DOM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO DOM,STO CBM CBM CBM CBM CBM CBM CBM STO STO,CBM CBM CBM CBM CBM CBM CBM CBM CBM STO

Static WL
199 229 217 283 226 15 167 168 196 160 204 194 183 211

T.D.
325 315 300 375 295 60 262 283 305 245 308 290 285 285

320 150 56 425 73 346 299 321 302 348 285 326 53.11 40 411 484 386 415 367 330 370 71.3 247 487 432 479 758 673 720 723 641 35

445 170 60 585 160 565 545 565 545 585 465 565 120 220 720 720 665 725 665 565 647 120 625 765 705 720 861 705 920 801 802 85

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P137894W P137902W P137903W P137907W P137913W P137922W P143421W P101220W P122950W P122951W P122952W P122953W P122954W P122955W P122956W P122957W P137898W P137900W P137905W P137909W P137930W P137939W P137941W P137943W P41842W P122958W P122959W P122960W P122961W P128533W P128583W P137889W P137895W

Priority
7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 3/25/2002 1/8/1996 1/19/2000 1/19/2000 1/19/2000 1/19/2000 1/19/2000 1/19/2000 1/19/2000 1/19/2000 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 2/16/1978 1/19/2000 1/19/2000 1/19/2000 1/19/2000 8/17/2000 8/22/2000 7/23/2001 7/23/2001

T
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 8 8 8 8 8 8 8 8 8

QQ
NESW NENE SWNE SWSE SWSW NESE SWSE NESE SWNW SWSW NESW SWNE SWSE NENE NENW NESE SWSW SWNW SWNE SWSE NESW NENW NESE NENE SESE SWNW NENW NESW SWSE SWSW SWSE SWNE NESE

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BOLLER/MILLS RANCH PAUL R/RUBY H STUART WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC EARL A. BOLLER LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC

Facility Name
DURHAM RANCH FEDERAL 23-6-4471 BOLLER MILLS FEDERAL 41-6-4471 BOLLER MILLS FEDERAL 32-6-4471 DURHAM RANCH FEDERAL 34-6-4471 DURHAM RANCH FEDERAL 14-6-4471 BOLLER MILLS RANCH FEDERAL 43-6-4471 WEST HILLS #1 NORTH HILLS #1 DURHAM RANCH FED. 12-7-4471 DURHAM RANCH FED. 14-7-4471 STUART FED. 23-7-4471 DURHAM RANCH FED. 32-7-4471 STUART FED. 34-7-4471 DURHAM RANCH FED. 41-7-4471 DURHAM RANCH FED. 21-7-4471 STUART FED. 43-7-4471 DURHAM RANCH FEDERAL 14-7-4471 DURHAM RANCH FEDERAL 12-7-4471 DURHAM RANCH FEDERAL 32-7-4471 STUART FEDERAL 34-7 4471 STUART FEDERAL 23-7 4471 DURHAM RANCH FEDERAL 21-7-4471 STUART FEDERAL 43-7 4471 DURHAM RANCH FEDERAL 14-7-4472 PRAIRIE DOG #1 STUART 12-8-4471 STUART 21-8-4471 STUART 23-8-4471 STUART 34-8-4471 STUART FEDERAL 14-8 4471 STUART 34-8-4471R BOLLER MILLS RANCH FEDERAL 32-8-4471 SWINGHOLM FEDERAL 43-8-4471

Status
GST GST GST GST GST GST GST UNA GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST GST GST GST GST GST PUW GST GST GSI GSI GST GST GST GST

Uses
CBM CBM CBM CBM CBM CBM STO STO CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO CBM CBM CBM CBM CBM CBM CBM CBM

Static WL
635 788 819 628 574 789 56.68 68

T.D.
820 875 721 820 640 880 135 134

714 538 340 790 703 625 644 696 127 527 535

813 594 657 871 763 664 729 784 232 792 802

695

835

585 695

610 766

Draft EIS, Wright Area Coal Lease Applications

S4-31

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P137936W P137906W P137923W P137926W P137928W P137929W P137931W P137935W P137945W P143429W P165581W P165582W P122962W P122963W P137924W P137925W P142248W P143208W P143427W P155325W P2966P P2967P P2969P P115398W P140142W P140822W P142249W P142250W P146100W P146101W P2968P P140823W P141687W P146102W P148382W P2970P P140143W P140144W P140824W P140825W

Priority
7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 3/25/2002 2/28/2005 2/28/2005 1/19/2000 1/19/2000 7/23/2001 7/23/2001 1/18/2002 3/7/2002 3/25/2002 10/20/2003 6/21/1955 12/21/1941 4/12/1962 4/22/1999 10/16/2001 11/8/2001 1/18/2002 1/18/2002 7/19/2002 7/19/2002 12/21/1942 11/8/2001 12/20/2001 7/19/2002 11/8/2002 12/21/1939 10/16/2001 10/16/2001 11/8/2001 11/8/2001

T
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
8 9 9 9 9 9 9 9 9 9 9 9 10 10 10 10 10 10 10 10 11 11 11 11 11 11 11 11 11 11 12 12 12 12 12 13 13 13 13 13

QQ
NENE SWSW NENW NESE NENE SWSE NESW SWNW SWNE NESE NENW NENE NENW NWSE SWSW SWNW SWNE NENE SESE NESE NENW NWNE NWSE SWSW SENE SESE NWNW NWSW SENW NWNE SENW NWSW NWNW NWNE NWSE NESW NWNW SESW NWSW SENW

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BOLLER/MILLS RANCH LANCE OIL & GAS COMPANY, INC**BOB & JAMIE SWINGHOLM LANCE OIL & GAS COMPANY, INC**TOM & BONNIE MILLS RIM OPERATING, INC WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC RIM OPERATING, INC. RIM OPERATING, INC. BOLLER/MILLS RANCH RIM OPERATING, INC. MILLS LAND & LIVESTOCK CO., MILLS LAND & LIVESTOCK CO., MILLS LAND & LIVESTOCK CO., WILLIAM/ELAINE PRIDGEON RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. MILLS LAND & LIVESTOCK CO., RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. MILLS LAND & LIVESTOCK CO., RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC.

Facility Name
SWINGHOLM FEDERAL 41-8-4471 BOLLER MILLS RANCH FEDERAL 14-9-4471 SWINGHOLM FEDERAL 21-9-4471 BOLLER MILLS RANCH FEDERAL 43-9-4471 BOLLER MILLS RANCH FEDERAL 41-9-4471 BOLLER MILLS RANCH FEDERAL 34-9-4471 BOLLER MILLS RANCH FEDERAL 23-9-4471 BOLLER MILLS RANCH FEDERAL 12-9-4471 SWINGHOLM FEDERAL 32-9-4471 CIRCLE #1 SWINGHOLM FED 21-9 4471 BOLLER MILLS RANCH F 41-9-4471 CBMC #21-10 BOLLER MILLS 33-10 4471 BOLLER MILLS RANCH FEDERAL 41-10-4471 BOLLER MILLS RANCH FEDERAL 12-10-4471 CBM C #32-10 CBM C #41-10 HARMS #1 CBM C #43-10 MILLS #15 MILLS #16 MILLS #18 PRIDGEON #1 CBM C #42-11 CBM C # 44-11 CBM C #11-11 CBM C #13-11 CBM C #22-11 CBM C #31-11 MILLS #17 CBM C #13-12 CBM C #11-12 CBM C # 31-12 CBM C #33-12 MILLS #19 CBM C #11-13 CBM C #24-13 CBM C #13-13 CBM C #22-13

Status
GST GST GST GST GST GST GST GST GST GST GSI GSI GST GSI GST GST GST GST GST GST PUW PUW PUW GST GST GST GSE GST GST PUW GST GST GST GST PUW GST GST GST GST

Uses
CBM CBM CBM CBM CBM CBM CBM CBM CBM STO STO STO CBM CBM CBM CBM STO,CBM STO,CBM DOM CBM,MIS STO STO STO STO STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO STO,CBM STO,CBM STO,CBM STO,MIS,CBM STO STO,CBM STO,CBM STO,CBM STO,CBM

Static WL
633 715 310 547 503 422 706 677 359 90.84

T.D.
681 800 630 741 587 656 761 760 566 145

386

585

618 454 373 402 59.3 478 50 75 175 60 429 440 333 337 359 165 482 383 283 324 170 491 358 429 395

680 656 565 605 140 570 60 90 233 174 565 565 545 535 526 180 620 545 365 445 190 585 446 525 505

INC. INC. INC.

INC.

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P141688W P148383W P148384W P6348W P106972W P137892W P140826W P148385W P148386W P148387W P122965W P122966W P122967W P122968W P128534W P128535W P142372W P142374W P38077W P38078W P40084W P40085W P40361W P40766W P40773W P41843W P41844W P41845W P41846W P41847W P41848W P41849W P41850W P41851W

Priority
12/20/2001 11/8/2002 11/8/2002 8/17/1970 8/1/1997 7/23/2001 11/8/2001 11/8/2002 11/8/2002 11/8/2002 1/19/2000 1/19/2000 1/19/2000 1/19/2000 8/17/2000 8/17/2000 1/31/2002 1/31/2002 6/2/1977 6/2/1977 9/28/1977 9/28/1977 8/26/1977 11/7/1977 11/7/1977 2/16/1978 2/16/1978 2/16/1978 2/16/1978 2/16/1978 2/16/1978 2/16/1978 2/16/1978 2/16/1978

T
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
13 13 13 14 14 14 14 14 14 14 15 15 15 15 15 15 15 15 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16

QQ
SENE NWNE NWSE SWNW NESE NENW NWNE SWNW NWSE SESE NWNW SENW SWNE NENE SWSW NESW SWNW NENW SWSE SWSE SENW NWNW SWSE SENW SENW SENW NWNE SENW SENW SENW SENW SENW SENW SENW

Applicant
RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. CARL J. SPRINGEN BARRETT RESOURCES CORP. WILLIAMS PRODUCTION RMT, COMPANY RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY GAME & FISH COMM., STATE OF WYOMING** THUNDER BASIN COAL COMPANY GAME & FISH COMM., STATE OF WYOMING** THUNDER BASIN COAL COMPANY GAME & FISH COMM., STATE OF WYOMING**ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY GAME & FISH COMM., STATE OF WYOMING**ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY

Facility Name
CBM C # 42-13 CBM C #31-13 CBM C #33-13 SPRINGEN #1 DURHAM RANCH FED. 43-14A BOLLER MILLS RANCH FEDERAL 21-14-4471 CBM C #31-14 CBM C #12-14 CBM C #33-14 CBM C #44-14 MILLS 11-15-4471 MILLS 22-15-4471 MILLS 32-15-4471 MILLS 41-15-4471 MILLS FEDERAL 14-15 4471 MILLS FEDERAL 23-15 4471 MILLS 12-15-4471 MILLS 21-15-4471 WCH 2A WCH 2B WCH 2D WCH 2E WCH-2C WCH 2F WCH 2G RH L - P - 3 RH 1 MCA 6 RH 1-MCA-7 RH 1 IW 1 RH 1 IW 2 RH 1 IW 3 RH 1-IW-4 RH 1 IW 5 RH 1 IW 6

Status
GST GST GST PUW UNA GST GST GST GST GST GSI GSI GST GST GST GST GST GST PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW

Uses
STO,CBM STO,MIS,CBM STO,MIS,CBM STO MON CBM STO,CBM STO,MIS,CBM STO,MIS,CBM STO,MIS,CBM CBM CBM CBM CBM CBM CBM CBM CBM MON MON MON MON MON MON MON RES,MIS MON MIS MON MON MON MON MON MON

Static WL
342 346 342 65 26 397 376 349 368 376

T.D.
445 465 465 104 820 497 525 505 485 465

67 99 92 136 599 643 63 67 -1 330

605 560 682 597 692 727 675 718 763 768

358

884

340 340 340

742 744 744

340 340

742 742

Draft EIS, Wright Area Coal Lease Applications

S4-33

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P41852W P41853W P41854W P41855W P41856W P41857W P41858W P41859W P41860W P41861W P41862W P41863W P41864W P41865W P41866W P41867W P42325W P42326W P42327W P42328W P42329W P42330W P42971W P42972W P42973W P42974W P42975W

Priority
2/16/1978 2/16/1978 2/16/1978 2/16/1978 2/16/1978 2/16/1978 2/16/1978 2/16/1978 2/16/1978 2/16/1978 2/16/1978 2/16/1978 2/16/1978 2/16/1978 2/16/1978 2/16/1978 3/10/1978 3/10/1978 3/10/1978 3/10/1978 3/10/1978 3/10/1978 4/24/1978 4/24/1978 4/24/1978 4/24/1978 4/24/1978

T
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16

QQ
SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW SENW

Applicant
WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY GAME & FISH COMM., STATE OF WYOMING** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY

Facility Name
RH 1 IW 7 RH 1-IW-8 RH 1-P-1 RH 1-P-2 RH 1-MUA-1 RH 1-MUA-2 RH 1-MUA-3 RH 1-MUA-5 RH 1-MCA-2 RH 1-MCA-3 RH 1 WC 1 RH 1 WC 2 RH 1 WC 3 RH 1 DW 4 RH 1 WC 5 RH 1-WC-6 RH1 IW 9 RH1 IW 10 RH1 IW 11 RH1 IW 12 RH1 IW 13 RH1 IW 14 RH1 HFEM 1 RH1-HFEM-2 RH1 HFM 3 RH1 HFEM 4 RH1-HFEM-5

Status
PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW

Uses
MON MON MIS MIS MIS MON MON MON MON MON RES,MIS DEW RES,MIS RES,MIS RES,MIS RES,MIS MON MON MON MON MON MON MON MIS MON MON MON

Static WL
340

T.D.
772

340

772

340 340

772 772

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P42976W P42977W P42978W P49662W P52363W P52364W P52365W P52366W P52367W P52575W P52576W P52578W P52579W P52580W P52581W P52582W P52583W P52584W P53542W P53543W P53545W P54321W P54322W P54323W P54646W P55911W P55912W P55913W

Priority
4/24/1978 4/24/1978 4/24/1978 8/17/1979 3/28/1980 3/28/1980 3/28/1980 3/28/1980 3/28/1980 6/23/1980 6/23/1980 6/23/1980 6/23/1980 6/23/1980 6/23/1980 6/23/1980 6/23/1980 6/23/1980 8/7/1981 9/7/1980 9/7/1980 10/20/1980 10/20/1980 10/20/1980 11/20/1980 3/9/1981 3/9/1981 3/9/1981

T
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16

QQ
SENW SENW SENW SENW NWNW NENE NENE SWSW SWNW SWNW SWNW SWNW NWNE NWNE NWNE NWNE NWNE NWNE SWNW SWNW NWNW SENW SENW SENW NESE SENW SENW SENW

Applicant
WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS WY BOARD OF LAND COMMISSIONERS**ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS**ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS**ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS**ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS**ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS**ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS**ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS**ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS**ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS**ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS**ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS**ATLANTIC RICHFIELD COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS**EARL BOLLER WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY

Facility Name
RH1 HFEM 6 RH1 HFEM 7 RH1-HFEM-8 RH1-P-2-B ROCKY HILL W 1 ROCKY HILL W 2 RH W1 RH-W2 RH W3 ROCKY HILL S 2 ROCKY HILL S 1 RH W5 ROCKY HILL W 8 ROCKY HILL W 9 ROCKY HILL W 10 ROCKY HILLL W-11 ROCKY HILL S 3 ROCKY HILL S 4 ROCKY HILL SA-1 ROCKY HILL SA-2 ROCKY HILL WA-7 ROCKY HILL MOS-1 RH OBUA4 RHMLA 1 JUMPOFF #1 ROCKY HILL C 9 ROCKY HILL C 7 ROCKY HILL C-6

Status
PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW

Uses
MON MON MON MON MON MON MON MON MON MON MON MON MON MON MON MON MON MON MON MON MON MON MON MON MON,STO,MIS MON MON MON

Static WL
340

T.D.
772

325

750

360

750

300 290 115 300

695 545 230 655

275 340 340 340

325 690 758 733

Draft EIS, Wright Area Coal Lease Applications

S4-35

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P55914W P55915W P55916W P55917W P55918W P55919W P55920W P55921W P55922W P66656W P66657W P66658W P66659W P66660W P67981W P69280W P69281W P69282W P69283W P69284W P69285W P69286W P69287W P121862W P121863W P121864W P122969W

Priority
3/9/1981 3/9/1981 3/9/1981 3/9/1981 3/9/1981 3/9/1981 3/9/1981 3/9/1981 3/9/1981 3/16/1984 3/16/1984 3/16/1984 3/16/1984 3/16/1984 7/25/1984 7/20/1984 7/20/1984 7/20/1984 7/20/1984 7/20/1984 7/20/1984 7/20/1984 7/20/1984 12/29/1999 12/29/1999 12/29/1999 1/19/2000

T
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16

QQ
SENW SENW SENW NENW SENW SENW NENW SENW SENW SENW SENW SENW SENW SENW SENW SWSW SENW SENW SENW SENW SENW SENW SWNW SWSW NESW SWSE SWNW

Applicant
WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL COMPANY WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC

Facility Name
ROCKY HILL C 5 ROCKY HILL C 4 ROCKY HILL C 2 ROCKY HILL OBCA 3 ROCKY HILL OBCA-2 ROCKY HILL OBCA-1 ROCKY HILL OBUA-3 ROCKY HILL OBUA 2 ROCKY HILL OBU4 1 ROCKY HILL R-1 ROCKY HILL R-2 ROCKY HILL R-3 ROCKY HILL R-4 ROCKY HILL R-5 RH 1 MUA 2 WCH 2C RH-1-P-3 RH 1 - MCA-1 RH-1-DW-1 RH-1-DW-2 RH-1-DW-3 RH-1-DW-4 ROCKY HILL W 2 STATE 14-16-4471 STATE 23-16-4471 STATE 34-16-4471 STATE 12-16-4471

Status
PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW PUW GST GST GST GST

Uses
MON MON MON MON MON MON MON MON MON MON MON MON MON MON MIS MON MON MON MON MON MON MON MON CBM CBM CBM CBM

Static WL
340 340 340 347 324 329 138.5 135.3 137 240 340 340 340 320 140 319.5 340 354 340 340 340 340 300 409 412 422 404

T.D.
660 690 782 780 755 740 260 220 240 740 730 739 739 746 210 696 752 755 744 743 743 746 698 692 690 702 710

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P122970W P122971W P122972W P122973W P143422W P112760W P122974W P123996W P128536W P128537W P137890W P137891W P137893W P16588W P107569W P110772W P112054W P112761W P113319W P128538W P128539W P128541W P137934W P112052W P112053W P113783W P128465W P128466W

Priority
1/19/2000 1/19/2000 1/19/2000 1/19/2000 3/25/2002 11/9/1998 1/19/2000 3/13/2000 8/17/2000 8/17/2000 7/23/2001 7/23/2001 7/23/2001 11/21/1972 7/28/1997 6/22/1998 10/6/1998 11/9/1998 12/14/1998 8/17/2000 8/17/2000 8/17/2000 7/23/2001 10/6/1998 10/6/1998 1/25/1999 8/17/2000 8/17/2000

T
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
16 16 16 16 16 17 17 17 17 17 17 17 17 18 18 18 18 18 18 18 18 18 18 19 19 19 19 19

QQ
NENW SWNE NENE NESE NESE SWSW SWSE SWNW NESW NESE NENE SWNE NENW SWNE SWNW NWNW NENE SESE NWNE NENW SWSE NESW SWSW NESE NENE SENE SWSE SWNE

Facility Name
STATE 21-16-4471 STATE 32-16-4471 STATE 41-16-4471 STATE 43-16-4471 SCHOOL SECTION #1 E FORK FLOCCHINI 14 17 BOLLER MILLS 34-17 4471 DURHAM RANCH 12-17 4471 BOLLER MILLS FEDERAL 23-17-4471 BOLLER MILLS FEDERAL 43-17-4471 BOLLER MILLS RANCH FEDERAL 41-17-4471 BOLLER MILLS RANCH FEDERAL 32-17-4471 BOLLER MILLS RANCH FEDERAL 21-17-4471 DURHAM #52 DURHAM RANCH FED. 1-12-18 EAST FORK FEDERAL 11-18 EAST FORK FLOCCHINI 41-18 E FORK FLOCCHINI 44 18 E FORK FLOCCHINI 31 18 DURHAM RANCH FEDERAL 21-18-4471 DURHAM RANCH FEDERAL 34-18-4471 DURHAM RANCH FEDERAL 23-18-4471 EAST FORK FERERAL 14-18 EAST FORK FLOCCHINI 43-19 EAST FORK FLOCCHINI 41-19 E FORK FLOCCHINI 42 19 DURHAM RANCH FEDERAL 34-19-4471 DURHAM RANCH FEDERAL 32-19-4471

Status
GST GST GST GST GST GST GST GST GST GST GST GST GST PUW GST GST GST GST GST GST GST GST GSI GST GST GST GST GSI

Uses
CBM CBM CBM CBM STO CBM CBM CBM CBM CBM CBM CBM CBM STO CBM,MIS CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO,CBM CBM CBM

Static WL
535 521 475 483 100 616 168 603 539 688 676 590 260 215 431 418 592 707 615 656 817 766

T.D.
823 810 750 735 300 754 747 810 761 762 759 802 630 290 900 861 841 793 810 828 887 857

736 361 650 821 793

781 761 790 886 841

Draft EIS, Wright Area Coal Lease Applications

S4-37

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P137897W P137899W P137901W P137918W P13289P P112051W P113318W P121865W P121866W P121867W P121868W P121869W P123995W P137920W P33051W P121870W P121871W P121872W P121873W P121874W P121875W P121876W P121877W P143425W P3214P P128463W P128464W P142373W P145781W P145782W

Priority
7/23/2001 7/23/2001 7/23/2001 7/23/2001 12/31/1943 10/6/1998 12/14/1998 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 3/13/2000 7/23/2001 5/3/1976 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 3/25/2002 8/24/1928 8/17/2000 8/17/2000 1/31/2002 6/26/2002 6/26/2002

T
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
19 19 19 19 20 20 20 20 20 20 20 20 20 20 21 21 21 21 21 21 21 21 21 21 22 22 22 22 22 22

QQ
NENW SWSW SWNW NESW NWSW SWNW NWNW NENW NESW SWNE SWSW NESE SWSW NENE SWSE SWNW SWSW NENW NESW SWNE SWSE NENE NESE SENE SESE NENW SWNW NESE SWSW NESW

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC DURHAM MEAT CO. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC EARL A. BOLLER LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WILLIAMS PRODUCTION RMT COMPANY** LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BOLLER/MILLS RANCH FERIBA F. FERGUSON LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC. DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC.

Facility Name
DURHAM RANCH FEDERAL 21-19-4471 DURHAM RANCH FEDERAL 14-19-4471 DURHAM RANCH FEDERAL 12-19-4471 DURHAM RANCH FEDERAL 23-19-4471 DURHAM MEAT #36 EAST FORK FLOCCHINI 12-20 E FORK FLOCCHINI 11 20 BOLLER-MILLS 21-20 4471 BOLLER-MILLS 23-20 4471 BOLLER-MILLS 32-20 4471 BOLLER-MILLS 34-20 4471 BOLLER-MILLS 43-20 4471 DURHAM RANCH 14-20 4471 BOLLER MILLS FEDERAL 41-20-4471 BOLLER #2 DOROUGH TRUST 12 21-4471 DOROUGH TRUST 14 21-4471 DOROUGH TRUST 21 21-4471 DOROUGH TRUST 23 21-4471 DOROUGH TRUST 32 21-4471 DOROUGH TRUST 34 21-4471 DOROUGH TRUST 41 21-4471 DOROUGH TRUST 43 21-4471 RANCH HOUSE WELL #1 FERGUSON #1 MILLS FEDERAL 21-22 4471 MILLS FEDERAL 12-22 4471 FERGUSON 43-2-4471 FERGUSON #14-22 FERGUSON #23-22

Status
GST GST GST GST PUW GST GST GST GST GST GST GST GST GST PUW GST GST GST GST GST GST GST GST GST PUW GST GST GSI GST GST

Uses
CBM CBM CBM CBM STO CBM CBM CBM CBM CBM CBM CBM CBM CBM DOM,STO CBM CBM CBM CBM CBM CBM CBM CBM DOM,STO DOM,STO CBM CBM CBM CBM CBM

Static WL
866 820 776 838 66 761 750 410 390 372 334 331 93 678

T.D.
1000 932 940 918 108 792 781 802 747 722 686 642 801 710

344 312 352 328 345 314 484 364 59.3 35 46 44

630 623 661 590 630 580 763 650 140 50 602 706

522 499

603 573

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P145785W P2971P P2972P P121841W P121842W P123654W P123655W P19252P P123653W P123656W P123892W P128289W P128290W P128297W P132543W P140145W P140146W P2973P P121839W P121840W P123657W P123658W P123891W P123893W P128291W P128292W P121838W P128068W P128069W P128070W P128293W P128294W P128295W P128296W P135821W P135822W P135823W P3215P P3216P P118863W P118864W P128584W P128585W P131375W P131376W P145783W P145786W P118170W P118171W

Priority
6/26/2002 12/21/1938 9/3/1963 12/27/1999 12/27/1999 2/28/2000 2/28/2000 12/31/1920 2/28/2000 2/28/2000 3/6/2000 8/14/2000 8/14/2000 8/14/2000 2/8/2001 10/16/2001 10/16/2001 12/31/1946 12/27/1999 12/27/1999 2/28/2000 2/28/2000 3/6/2000 3/6/2000 8/14/2000 8/14/2000 12/27/1999 8/4/2000 8/4/2000 8/4/2000 8/14/2000 8/14/2000 8/14/2000 8/14/2000 6/15/2001 6/15/2001 6/15/2001 7/16/1930 10/17/1944 9/1/1999 9/1/1999 8/22/2000 8/22/2000 12/4/2000 12/4/2000 6/26/2002 6/26/2002 8/6/1999 8/6/1999

T
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
22 23 23 23 23 23 23 24 24 24 24 24 24 24 24 24 24 25 25 25 25 25 25 25 25 25 26 26 26 26 26 26 26 26 26 26 26 27 27 27 27 27 27 27 27 27 27 28 28

QQ
SWSE NWNE NWSE NWSE NWNE SESE SENE NESW NWNW NWSW SESW NWSE SESE SENW NESW NWNE SENE SENE NWSE NWNE NWNW NWSW SESW SENW SENE SESE NWNE SESE SENE NWSE NWNW NWSW SENW SESW SESW NWSW NWNW SENE SENE SWSW NESW SWSE NESE SWNW NENW SWNE NENE SWSW NESW

Applicant
DAVID D. FERGUSON, ET AL.** COLEMAN INC. MILLS LAND & LIVESTOCK CO., INC. MILLS LAND & LIVESTOCK CO., INC. RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC ARK LAND COMPANY RIM OPERATING, INC WILLIAMS PRODUCTION RMT, COMPANY RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC. RIM OPERATING, INC. MILLS LAND & LIVESTOCK CO., INC. RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC W. L. FERGUSON W. L. FERGUSON LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC DAVID D. FERGUSON, ET AL.** COLEMAN INC. DAVID D. FERGUSON, ET AL.** COLEMAN INC. DAVID D. FERGUSON, ET AL.** COLEMAN INC. DAVID D. FERGUSON, ET AL.** COLEMAN INC. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC OIL & GAS,

Facility Name
FERGUSON #34-22 MILLS #20 MILLS #21 CBM C #33-23 CBM C #31-23 CBM C #44-23 CBM C #42-23 REVLAND #4 CBM C #11-24 CBM C #13-24 CBM C #24-24 CBM C #33-24 CBM C #44-24 CBM C #22-24 CBM C # 23-24 CBM C #31-24 CBM C #42-24 MILLS #22 CBM C #33-25 CBM C #31-25 CBM C #11-25 CBM C #13-25 CBM C #24-25 CBM C #22-25 CBM C #42-25 CBM C #44-25 CBM C #31-26 CBM C 44-26 CBM C 42-26 CBM C 33-26 CBM C #11-26 CBM C #13-26 CBM C #22-26 CBM C #24-26 ENL CBM C # 24-26 ENL CBM C # 13-26 ENL CBM C # 11-26 FERGUSON #1 FERGUSON #2 CHITTENDEN 14-27 CHITTENDEN 23-27 FERGUSON 34-27-4471 FERGUSON 43-27-4471 OIL & GAS, OIL & GAS, OIL & GAS, OIL & GAS, FERGUSON #12-27 FERGUSON #21-27 FERGUSON #32-27 FERGUSON #41-27 STUART 14-28 STUART 21-28

Status
GST PUW GST GST GST GST GST UNA GST GST GST GST GST GST GST GST GST PUW GST GST UNA GST GST GST GST GST GST GST GST UNA GST GST UNA GST GST GST GST PUW PUW GST GST GST GST GST GST GST GST GST GST

Uses
CBM STO STO STO,CBM STO,CBM STO,CBM STO,CBM STO STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM MON STO,CBM STO,CBM STO STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM DOM DOM,STO CBM CBM CBM CBM STO,CBM STO,CBM STO,CBM STO,CBM CBM CBM

Static WL
422 60 12 198 232 214 226 -1 272 226 217 252 219 255 279 342 319 70 193 195 201 192 214 208 230 263 198 231 205 215 233 238 219 216 216 238 233 16 70 250 257 54 108 240 211 425 385 240 277

T.D.
502 90 42 369 415 365 395 75 407 371 338 380 375 385 365 425 405 90 326 328 327 357 355 324 350 345 348 385 300 405 422 437 407 427 427 437 422 24 100 503 523 501 501 571 527 512 458 607 582

Draft EIS, Wright Area Coal Lease Applications

S4-39

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P118865W P118866W P121902W P121903W P121904W P121905W P92738W P118172W P118173W P121906W P121907W P121908W P121909W P121910W P121911W P128459W P128460W P128461W P128462W P137904W P137915W P137919W P137927W P81413W P106969W P106970W P106971W P123408W P128457W P137908W P137910W P137912W P141956W P118174W P118175W P118184W P118185W

Priority
9/1/1999 9/1/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 9/3/1993 8/6/1999 8/6/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 8/17/2000 8/17/2000 8/17/2000 8/17/2000 7/23/2001 7/23/2001 7/23/2001 7/23/2001 12/4/1989 8/1/1997 8/1/1997 8/1/1997 2/18/2000 8/17/2000 7/23/2001 7/23/2001 7/23/2001 1/4/2002 8/6/1999 8/6/1999 8/6/1999 8/6/1999

T
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
28 28 28 28 28 28 29 29 29 29 29 29 29 29 29 30 30 30 30 30 30 30 30 31 31 31 31 31 31 31 31 31 31 32 32 32 32

QQ
SWSE NESE SWNW NENW SWNE NENE SESE SWSE NESE SWNW SWSW NENW NESW SWNE NENE NESE NENE SWSE SWNE SWSW NESW SWNW NENW NWNE SENE SENE SENE SWSW SENE NESW NENW SWNW NWNE SWNE NENE SWSW NESW

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC JAMES R. AND IRENE STUART LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC PAUL R/RUBY H STUART BARRETT RESOURCES CORP. BARRETT RESOURCES CORP. BARRETT RESOURCES CORP. LANCE OIL & GAS COMPANY, INC** WY STATE BOARD OF LAND COMMISSIONERS LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE LANCE LANCE LANCE OIL OIL OIL OIL & & & & GAS GAS GAS GAS COMPANY, COMPANY, COMPANY, COMPANY, INC INC INC INC

Facility Name
CHITTENDEN 34-28 CHITTENDEN 43-28 SNODGRASS 12-28 4471 SNODGRASS 21-28 4471 SNODGRASS 32-28 4471 SNODGRASS 41-28 4471 ALICE #2 STUART 34-29 STUART 43-29 STUART 12-29-4471 STUART 14-29-4471 STUART 21-29-4471 STUART 23-29-4471 STUART 32-29-4471 STUART 41-29-4471 STUART FEDERAL 43 30-4471 STUART FEDERAL 41 30-4471 STUART FEDERAL 34 30-4471 STUART FEDERAL 32 30-4471 FEDERAL 14-30-4471 STUART FEDERAL 23 30-4471 STUART FEDERAL 12 30-4471 STUART FEDERAL 21 30-4471 PAUL #1 STUART FED. 42-31A STUART FED. 42-31B STUART FED. 42-31C HAYNES 14-31-4471 STUART FEDERAL 42 31-4471 STUART FEDERAL 23 31-4471 HAYNES FEDERAL 21 31-4471 HAYNES FEDERAL 12 31-4471 STUART FEDERAL 31 31-4471 STUART 32-32 STUART 41-32 FLOCCHINI 14-32 FLOCCHINI 23-32

Status
GST GST GST GST GST GST UNA GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST UNA UNA UNA UNA GST GST GST GST GST GST GST GST GST GST

Uses
CBM CBM CBM CBM CBM CBM STO CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO MON MON MON CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM

Static WL
265 270 279 289 277 292 40 293 282 329 320 316 304 291 298 611 645 662 700 714 676 301 675 120 253.7 336.3 333.8 602 819 734 817 819 837 287 285 328 313

T.D.
557 542 622 609 565 583 100 683 642 742 722 682 690 642 662 722 784 790 835 935 795 855 847 205 580 744 850 830 863 820 975 863 902 640 622 730 695

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P118186W P118187W P118868W P118869W P118176W P118177W P118178W P118179W P118180W P118181W P118182W P5971W P5972W P92345W P128453W P128454W P128455W P128456W P136616W P136617W P145784W P145787W P19250P P30419W P128066W P128067W P143825W P146103W P146104W P33644W P121835W P121844W P121845W P121846W P125924W P125925W P125926W P128065W

Priority
8/6/1999 8/6/1999 9/1/1999 9/1/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 8/6/1999 5/29/1970 5/29/1970 7/20/1993 8/17/2000 8/17/2000 8/17/2000 8/17/2000 7/2/2001 7/2/2001 6/26/2002 6/26/2002 12/31/1961 7/16/1975 8/4/2000 8/4/2000 4/2/2002 7/19/2002 7/19/2002 6/2/1976 12/27/1999 12/27/1999 12/27/1999 12/27/1999 5/25/2000 5/25/2000 5/25/2000 8/4/2000

T
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
32 32 32 32 33 33 33 33 33 33 33 34 34 34 34 34 34 34 34 34 34 34 35 35 35 35 35 35 35 36 36 36 36 36 36 36 36 36

QQ
SWSE NESE SWNW NENW SWNW SWSW NENW NESW SWNE SWSE NENE NESE NESE SWSE NESW NENW SWSW SWNW NESE SWSE SWNE NENE SENE NENE SENE NWNE NWNE NWNW SENW NENE NWNE NWSE NWSW NWNW SENE SENW SESW SESE

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC INC. STUART BROTHERS INC. STUART BROTHERS JAMES R. AND IRENE STUART LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC. DAVID D. FERGUSON, ET AL.** COLEMAN OIL & GAS, INC. ARK LAND COMPANY ARK LAND COMPANY RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC RIM OPERATING, INC. RIM OPERATING, INC. WYO BOARD OF LAND COMMISSIONERS** THUNDER BASIN COAL CO., LLC RIM OPERATING, INC RIM OPERATING, INC** WY STATE BOARD OF LAND COMMISSIONERS RIM OPERATING, INC** WY STATE BOARD OF LAND COMMISSIONERS RIM OPERATING, INC** WY STATE BOARD OF LAND COMMISSIONERS RIM OPERATING, INC** WY STATE BOARD OF LAND COMMISSIONERS RIM OPERATING, INC** WY STATE BOARD OF LAND COMMISSIONERS RIM OPERATING, INC** WY STATE BOARD OF LAND COMMISSIONERS WY STATE BOARD OF LAND COMMISSIONERS** RIM OPERATING, INC

Facility Name
FLOCCHINI 34-32 FLOCCHINI 43-32 STUART 12-32 STUART 21-32 STUART 12-33 STUART 14-33 STUART 21-33 STUART 23-33 STUART 32-33 STUART 34-33 STUART 41-33 SWP #1 SWP #2 ALICE #1 STUART FEDERAL 4471 STUART FEDERAL 4471 STUART FEDERAL 4471 STUART FEDERAL 4471 STUART FEDERAL 4471 STUART FEDERAL 4471

Status
GST GST GST GST GST GST GST GST GST GST GST GST PUW UNA

Uses
CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO STO DOM CBM CBM CBM CBM CBM CBM CBM CBM DOM,STO DOM,STO STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM MON STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM

Static WL
283 274 342 291 272 265 292 260 266

T.D.
652 620 710 692 620 577 610 579 560

23-34 21-34 14-34 12-34 43-34 34-34

GST GST GST GST GST GST GST GST UNA UNA GST GST GST GSE GSE UNA UNA GST GST GST GST UNA GST GST

446 469 488 425 454 455 422 -1 150 238 201 201

495 501 518 443 480 495 446 125 303 425 405 405

FERGUSON #32-34 FERGUSON #41-34 REVLAND #5 REVLAND #1 CBM C 42-35 CBM C 31-35 ENL. CBM C #31-35 CBM C # 11-35 CBM C # 22-35 ECH 6 CBM C #31-36 CBM C #33-36 CBM C #13-36 CBM C #11-36 CBM C #42-36 CBM C #22-36 CBM C #24-36 CBM C 44-36

170 170 152 198 168 154 189 183 155

395 296 282 386 337 262 355 390 313

Draft EIS, Wright Area Coal Lease Applications

S4-41

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P170784W P170785W P170786W P170787W P178325W P178328W P112049W P137950W P147612W P108076W P112048W P115200W P122990W P122991W P122993W P122994W P137951W P137953W P137955W P137959W P137956W P137958W P137960W P137973W P137975W P137977W P137978W P137980W

Priority
10/28/2005 10/28/2005 10/28/2005 10/28/2005 10/4/2006 10/4/2006 10/6/1998 7/23/2001 10/4/2002 11/6/1997 10/6/1998 4/16/1999 1/19/2000 1/19/2000 1/19/2000 1/19/2000 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001

T
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

R
71 71 71 71 71 71 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72

S
36 36 36 36 36 36 11 11 11 12 12 12 12 12 12 12 12 12 12 12 13 13 13 13 13 13 13 13

QQ
NESE NESE NENW NENW SENE NENE SESE SWSE SESE NWNE NESE NWNE NENE SWNW SWSW NESW SWNW NENE SWSW SWSE NESW SWSW SWNW SWNE SWSE NENE NESE NENW

Applicant
JACOBS RANCH COAL CO.** WY STATE BOARD OF LAND COMMISSIONERS JACOBS RANCH COAL CO.** WY STATE BOARD OF LAND COMMISSIONERS JACOBS RANCH COAL CO.** WY STATE BOARD OF LAND COMMISSIONERS JACOBS RANCH COAL CO.** WY STATE BOARD OF LAND COMMISSIONERS JACOBS RANCH COAL COMPANY** WY STATE BOARD OF LAND COMMISSIONERS JACOBS RANCH COAL COMPANY** WY STATE BOARD OF LAND COMMISSIONERS BARRETT RESOURCES CORP. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BARRETT RESOURCES CORP WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY WILLIAMS PRODUCTION RMT, COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC

Facility Name
TW-36SE1 TW-36SE2 TW-36NW1 TW-36NW2 DW 2006-20 DW 2006-11,12 WEST FORK FLOCCHINI 44-11 DURHAM RANCH FEDERAL 34-11-4472 WEST FORK FLOCCHINI 44-11-4472 DURHAM RANCH FED 1 31-12 WEST FORK FLOCCHINI 43-12 ENL DURHAM RANCH RED 1-31-12 BEAVERS TRUST FED. 41 12-4472 EAST FORK FED. 12-12 DURHAM RANCH FED. 14 12-4472 DURHAM RANCH FED. 23 12-4472 EAST FORK FEDERAL 12 12 BEAVERS TRUST FEDERAL 41-12-4472 DURHAM RANCH FEDERAL 14-12-4472 DURHAM RANCH FEDERAL 34-12-4472 DURHAM RANCH FEDERAL 23-13-4472 DURHAM RANCH FEDERAL 14-13-4472 DURHAM RANCH FEDERAL 12-13-4472 EAST FORK FEDERAL 32 13 EAST FORK FEDERAL 34 13 EAST FORK FEDERAL 41 13 EAST FORK FEDERAL 43 13 EAST FORK FEDERAL 21 13

Status
GSI GSI GSI GSI UNA UNA GSE GST GST GST GST GST GSI GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST

Uses
TST TST TST TST MIS MIS CBM CBM CBM CBM,MIS CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM

Static WL

T.D.

679 661 349 353 349

834 861 824 879 824

685 733 733 822 822 924 611 707 779 767 840 795 754

982 800 798 922 984 1010 844 874 983 850 963 860 1007

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P13287P P106973W P135700W P135701W P137877W P137878W P137962W P137963W P149834W P123987W P137885W P137886W P2723W P33797W P101217W P123016W P123984W P137881W P137887W P137965W P137967W P144542W P145287W P145288W P152559W P152560W P13288P P108077W P114639W P133186W P133187W P133188W P133189W

Priority
12/31/1945 8/1/1997 6/11/2001 6/11/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 2/20/2003 3/13/2000 7/23/2001 7/23/2001 7/8/1969 5/18/1976 1/8/1996 1/19/2000 3/13/2000 7/23/2001 7/23/2001 7/23/2001 7/23/2001 5/14/2002 5/29/2002 5/29/2002 6/11/2003 6/11/2003 12/31/1944 11/6/1997 3/18/1999 3/2/2001 3/2/2001 3/2/2001 3/2/2001

T
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

R
72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72

S
14 14 14 14 14 14 14 14 14 15 22 22 23 23 23 23 23 23 23 23 23 23 23 23 23 23 24 24 24 24 24 24 24

QQ
SWNE NESE NENE SWSW SWNW NENW NESW SWNE NESE SESE NENE NESE SESW SWSE SESE SWNE NWSE SWSW SWNW NENW NESW NESW NENE NESE NESE NENE NWNE NENW NENW SWSW SWNE SWSE NENE DURHAM MEAT CO.

Applicant
BARRETT RESOURCES CORP. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LESTER R. WRIGHT SON-R INC. PAUL R/RUBY H STUART LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC SUNRISE ENTERPRISES WILLIAMS PRODUCTION RMT COMPANY WILLIAMS PRODUCTION RMT COMPANY LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC DURHAM MEAT CO. LANCE OIL & GAS COMPANY, INC BARRETT RESOURCES CORPORATION LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC

Facility Name
DURHAM MEAT #34 DURHAM RANCH FED. 43-14B DURHAM RANCH 41 14-4472 DURHAM RANCH 14 14-4472 DURHAM RANCH FEDERAL 12-14-4472 DURHAM RANCH FEDERAL 21-14-4472 DURHAM RANCH FEDERAL 23-14-4472 DURHAM RANCH FEDERAL 32-14-4472 DURHAM RANCH FEDERAL 43-14-4472 DURHAM RANCH 44 15-4472 DURHAM RANCH FEDERAL 41-22-4472 DURHAM RANCH FEDERAL 43-22-4472 JUNCTION #1 SON R #1 NORTH WRIGHT #1 DURHAM RANCH 32 23-4472 DURHAM RANCH 33 23-4472 DURHAM RANCH FEDERAL 14-23-4472 DURHAM RANCH FEDERAL 12-23-4472 DURHAM RANCH FEDERAL 21-23-4472 SUNRISE FEDERAL 23 23-4472 SUNRISE # 1 FLOCCHINI 41-23 FLOCCHINI 43-23 FLOCCHINI 43-23-4472 FLOCCHINI 41-23-4472 DURHAM MEAT #35 DURHAM RANCH FED 1-21-24 ENL DURHAM RANCH FED 1-21-24 STUART 14-24-4472 DURHAM RANCH 32 24-4472 DURHAM RANCH 34 24-4472 DURHAM RANCH 41 24-4472

Status
PUW UNA GST GST GST GST GST GST GST GST GST GST PUW PUW UNA GST GST GST GST GST GST GST GST GST GST GST PUW GST GST GST GST GST GST

Uses
STO MON CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM DOM IND STO CBM CBM CBM CBM CBM CBM MIS CBM CBM STO,CBM STO,CBM STO CBM CBM CBM CBM CBM CBM

Static WL
31 275 692 808 839 738 784 757 782 525 765 856 50 84 767 740 805 879 991 859 470 804 752 752 804 43 301 300 689 748 778 768

T.D.
86 820 926 900 935 901 865 826 840 864 888 984 242 110 992 938 976 970 150 1027 1329 895 866 875 903 88 832 832 854 842 900 838

Draft EIS, Wright Area Coal Lease Applications

S4-43

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P137970W P137982W P137954W P137971W P137972W P137974W P137976W P137979W P137981W P137983W P32148W P48090W P48493W P71834W P101358W P124993W P137964W P137966W P137984W P137985W P29417W P37539W P46696W P67592W P71147W P80562W P101357W P124992W P137871W P137872W P145604W P101216W P123400W P123401W

Priority
7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 7/23/2001 2/17/1976 4/5/1979 6/5/1979 2/4/1986 6/14/1995 4/10/2000 7/23/2001 7/23/2001 7/23/2001 7/23/2001 3/7/1975 2/2/1977 2/9/1979 12/6/1983 9/16/1985 8/30/1990 6/14/1995 4/10/2000 7/23/2001 7/23/2001 7/1/2002 1/8/1996 2/18/2000 2/18/2000

T
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

R
72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72

S
24 24 25 25 25 25 25 25 25 25 26 26 26 26 26 26 26 26 26 26 27 35 35 35 35 35 35 35 35 35 35 36 36 36

QQ
SWNW NESW SWSW NESW SWSE NESE SWNW NENW SWNE NENE SENW SWNW SENW SWNW SWNW SWNW NENE NESE SWNE SWSE SESE SENW SENW NESW SWSW SWSW SENW SENW SWSE NESE SWNE SESE SWNW SWSW

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC DALE L. WRIGHT WRIGHT WATER AND SEWER DISTRICT INC. THE RIGHT LIQUOR STORE WRIGHT WATER AND SEWER DISTRICT WRIGHT WATER AND SEWER DISTRICT WRIGHT WATER & SEWER DISTRICT LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC ATLANTIC RICHFIELD COMPANY ATLANTIC RICHFIELD COMPANY WRIGHT WATER AND SEWER DISTRICT VAN C. AND OR DIANNA L. HOLSCHER CHARLES TYRREL CHARLES T. TYRREL**RANDY REEVES WRIGHT WATER AND SEWER DISTRICT WRIGHT WATER & SEWER DISTRICT LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC WDEQ/WQD WYO BOARD OF LAND COMMISSIONERS**PAUL R/RUBY H STUART LANCE OIL & GAS COMPANY, INC** WY STATE BOARD OF LAND COMMISSIONERS LANCE OIL & GAS COMPANY, INC** WY STATE BOARD OF LAND COMMISSIONERS

Facility Name
DURHAM RANCH FEDERAL 12-24-4472 DURHAM RANCH FEDERAL 23-24-4472 STUART FEDERAL 14 25-4472 STUART FEDERAL 23 25-4472 STUART FEDERAL 34 25-4472 STUART FEDERAL 43 25-4472 STUART FEDERAL 12 25-4472 STUART FEDERAL 21 25-4472 STUART FEDERAL 32 25-4472 STUART FEDERAL 41 25-4472 NOLENE #1 RJ 4 THE RIGHT LIQUOR STORE #1 RJ 4 ENL RJ-4 WELL ENL. RJ-4 WELL STUART FEDERAL 41 26-4472 STUART FEDERAL 43 26-4472 STUART FEDERAL 32 26-4472 STUART FEDERAL 34 26-4472 RENO #2 RJ-3 RJ 3 HOLSCHER #1 LITTLE THUNDER #1 TR #1 ENL RJ-3 WELL ENL. RJ-3 WELL STUART FEDERAL 34 35-4472 STUART FEDERAL 43 35-4472 MW1354 NORTH SCHOOL WELL #1 STATE 12-36-4472 STATE 14-36-4472

Status
GST GST GST GST GST GST GST GST GST GST PUW PUW PUW ADJ UNA UNA GST GST GST GST PUW PUW ADJ PUW PUW UNA UNA UNA GST GST GST UNA GST GST

Uses
CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM DOM MIS,MUN MIS MUN MUN MUN CBM CBM CBM CBM MUN MIS,MUN MUN MIS DOM DOM MUN MUN CBM CBM MON STO CBM CBM

Static WL
689 724 845 804 792 776 632 807 918 814 460 290 427 427 427 786 851 807 692

T.D.
843 834 934 872 906 990 866 916 1017 905 894 800 3015 3015 3015 935 943 858 1000

428.8 630 415 428.8 428 46.2 51 15 70 683 678

2730 700 660 2730 2730 955 1069 20 141 996 1023

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S4-4. Groundwater Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P123402W P123403W P123404W P123405W P123406W P123407W P117311W P138723W P138727W P148380W P148381W P155326W

Priority
2/18/2000 2/18/2000 2/18/2000 2/18/2000 2/18/2000 2/18/2000 6/28/1999 8/20/2001 8/20/2001 11/8/2002 11/8/2002 10/20/2003

T
44 44 44 44 44 44 45 45 45 45 45 45

R
72 72 72 72 72 72 71 71 71 71 71 71

S
36 36 36 36 36 36 32 32 32 33 33 33

QQ
NENW NESW SWNE SWSE NENE NESE SWSE SWSE SWSE NESW SWSE SWSW

Applicant
LANCE OIL & GAS COMPANY, INC** WY STATE BOARD OF LAND COMMISSIONERS LANCE OIL & GAS COMPANY, INC** WY STATE BOARD OF LAND COMMISSIONERS LANCE OIL & GAS COMPANY, INC** WY STATE BOARD OF LAND COMMISSIONERS WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC** WY STATE BOARD OF LAND COMMISSIONERS LANCE OIL/GAS COMPANY, INC. LANCE OIL/GAS COMPANY, INC. LANCE OIL/GAS COMPANY, INC. RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC.

Facility Name
STATE 21-36-4472 STATE 23-36-4472 STATE 32-36-4472 STATE 34-36-4472 STATE 41-36-4472 STATE 43-36-4472 BOLLER MILLS FED 34-32-4571 BOLLER-MILLS FED 34-32-4571 DURHAM RANCH FED 34-19-4571 CBM B #23-33 CBM B #34-33 CBM B #14-33

Status
GST GST GST GST GST GST

Uses
CBM CBM CBM CBM CBM CBM STO,CBM

Static WL
631 604 633 615 597 559

T.D.
934 967 987 962 923 921

GST GST GST GST GST

STO,CBM STO,CBM STO,MIS,CBM STO,MIS,CBM CBM,MIS

531.5 443.3 412 383 585

764 620 705 585 750

P155327W P143428W P146875W P146876W P160990W P2601W P2962P P62470W P140140W P140141W P2963P P33643W CR1/387A P1163S P5501R P1165S P5723S

10/20/2003 3/25/2002 8/21/2002 8/21/2002 1/7/2004 6/12/1969 12/21/1952 11/3/1982 10/16/2001 10/16/2001 10/6/1963 6/2/1976 3/1/1943 3/3/1955 3/1/1943 3/3/1955 10/10/1966

45 45 45 45 45 45 45 45 45 45 45 45 43 43 43 43 43

71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

33 34 34 34 34 35 35 35 35 35 36 36 3 3 3 4 4

NESE SESE NWSE SESE SESW SWSW SWSE SESW NWSW NWSE SESE SESE NESW NWNW NESW NWNW NWNW

RIM OPERATING, INC. BOLLER/MILLS RANCH RIM OPERATING, INC. RIM OPERATING, INC. RIM OPERATING, INC. JOHN E. JACOBS MILLS LAND & LIVESTOCK CO., INC. BUTCH REYNOLDS RIM OPERATING, INC. RIM OPERATING, INC. MILLS LAND & LIVESTOCK CO., INC.**WYO BOARD OF LAND COMMISSIONERS THUNDER BASIN COAL COMPANY**WYO BOARD OF LAND COMMISSIONERS E. E. STUART E. E. STUART ESTATE E.E. STUART E. E. STUART ESTATE STUART BROTHERS INC.

CBM B #43-33 BIG SHED WELL CBM B # 33-34 CBM B # 44-34 CBM B #24-34 ISENBERGER #3 MILLS #11 REYNOLDS #1 CBM B #13-35 CBM B #33-35 MILLS #12 ECH 5 STUART RESERVOIR ALVIN PIT #1 STOCK RESERVOIR STUART RESERVOIR SPRINGEN PIT #1 STOCK RESERVOIR HAUMAN STOCK RESERVOIR

GST GST GST GST GST PUW PUW PUW GST GST UNA UNA PUO

CBM,MIS STO STO,CBM STO,CBM STO,CBM STO STO DOM,STO STO,CBM STO,CBM STO MON STO STO

359 20.63 296 293 359 110 90 80 259 235 42 194 DRY FORK LITTLE THUNDER PETTERS BASIN DRY FORK LITTLE THUNDER SPRINGEN DRAW HAUMAN DRAW

570 80 465 445 628 155 150 203 425 345 110 232

ADJ PUO PUO

STO STO STO

Draft EIS, Wright Area Coal Lease Applications

S4-45

Supplementary Information on the Affected Environment Table S4-5. Surface Water Rights for the West Jacobs Ranch LBA Tract.
Permit
33/4/110S P17378S P1164S CR4/254A P2343S P5938S P5724S CU1/173A C42/270A P3402R P17441S P10084S P10085S CR2/455A P4843R P33347D P1167S P1379S P17370S P16677S CU6/172A CU6/173A P1574R P9165D P9166D P17371S P17372S P17440S P2347S P17084S CR4/255A CR4/257A

Priority
9/26/2005 9/26/2005 3/3/1955 2/27/1967 8/4/1958 2/27/1967 10/10/1966 6/22/1970 1/4/1917 1/4/1917 9/26/2005 2/9/1987 2/9/1987 3/31/1938 3/31/1938 11/2/2005 3/3/1955 2/6/1956 9/26/2005 9/23/2004 7/31/1959 6/16/1981 7/14/1909 7/6/1909 7/6/1909 9/26/2005 9/26/2005 9/26/2005 8/6/1958 9/15/2004 5/6/1966 2/27/1967

T
43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43 43

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72

S
5 6 9 10 10 10 11 12 17 17 18 19 20 22 22 22 1 1 1 2 11 11 11 11 11 12 12 12 14 14 23 23

Applicant
JAMES R. & IRENE STUART TRUSTS PAUL R. STUART REVOCABLE TRUST

Facility Name
STUART 44-05-4371 STOCK RESERVOIR STUART 41-06-4371 STOCK RESERVOIR MANOR PIT #1 STOCK RESERVOIR STUART #F.S.9-256-3 STOCK RESERVOIR SCHROYER STOCK RESERVOIR STUART #F.S.9-256-3 STOCK RESERVOIR ZIMMER STOCK RESERVOIR HEARTSPEAR 12 FLORENCE RESERVOIR FLORENCE RESERVOIR EDWARDS 12-18-4371 STOCK RESERVOIR RENO #9-239-1STOCK RESERVOIR RENO #9-239-2 STOCK RESERVOIR THUNDER BASIN NO. 10 RESERVOIR THUNDER BASIN NO. 10 RESERVOIR LITTLE THUNDER CREEK WATER HAUL WARD #1 STOCK RESERVOIR MCGEE #1 STOCK RESERVOIR STUART 34-01-4372 STOCK RESERVOIR STUART #1 STOCK RESERVOIR RENO CAMP #1 ENL RENO CAMP #1 RENO GULCH RESERVOIR RENO GULCH DITCH NO. ONE RENO GULCH DITCH NO. 2 STUART 13-12-4372 STOCK RESERVOIR STUART 22-12-4372 A STOCK RESERVOIR EDWARDS 34-12-4372 STOCK RESERVOIR CARLSON STOCK RESERVOIR CARLSON #1 STOCK RESERVOIR WILMOT #F.S.9-266-4 STOCK RESERVOIR WILMOT #F.S.9-266-6 STOCK RESERVOIR

Status
UNA UNA PUO PUO PUO ADJ UNA PUW PUO PUO UNA UNA GST PUO ADJ UNA PUO PUO UNA UNA PUW PUW PUO PUD PUD UNA UNA UNA PUO UNA PUO PUO

Uses
STO STO STO STO STO STO STO COM,STO STO STO STO STO STO STO STO IND, TEM STO STO STO STO DOM MIS STO,IRR STO,IRR STO,IRR STO STO STO STO STO STO STO

Source
DRY FORK LITTLE THUNDER CREEK DRY FORK LITTLE THUNDER CREEK MANOR DRAW ERICKSON DRAW SCHROYER DRAW ERICKSON DRAW ZIMMER DRAW

SESE SENE SWSW SENE SESE SWNE SESE SESE SWNW

E. E. STUART ESTATE USDA, FOREST SERVICE PAUL AND RUBY H. STUART USDA FOREST SERVICE HAROLD E. ZIMMER RENO LIVESTOCK CORPORATION FLORENCE B. ELEXANDER MARION C. ELEXANDER THOMAS W. & LEAH B. EDWARDS USA USDA FOREST SERVICE USA USDA FOREST SERVICE

NORTH PRONG LITTLE THUNDER CREEK LITTLE THUNDER CREEK RENO DRAW SAGER DRAW

NWNW NWNW NESE SESE SWNW SWSE

USDA, FOREST SERVICE USDA FOREST SERVICE E.H. OFTEDAL & SONS, INC. E. E. STUART ESTATE E. E. STUART PAUL R. STUART REVOCABLE TRUST PAUL STUART WYOMING STATE HIGHWAY COMMISSION WYOMING STATE HIGHWAY COMMISSION BURTON L. RENO BERTON L. RENO BURTON L. RENO PAUL R. STUART REVOCABLE TRUST PAUL R. STUART REVOCABLE TRUST THOMAS W. & LEAH B. EDWARDS CHELMER WILMOT LAWRENCE D. CARLSON**BARBARA A. TUNKS USDA, FOREST SERVICE USDA, FOREST SERVICE

LITTLE THUNDER CREEK LITTLE THUNDER CREEK WARD DRAW MCGEE DRAW WARD DRAW RENO DRAW

SENW SENW NWNE NWNE NWNE NWSW SENW SWSE SENE SWNW NESE NWNE

LITTLE THUNDER CREEK NAMING ERRORS NAMING ERRORS LITTLE THUNDER CREEK STUART DRAW LITTLE THUNDER CREEK WILMOT DRAW BEFUDDLEMENT DRAW NICHOLSON DRAW BRANAMAN DRAW

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S4-5. Surface Water Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P5937S P2348S CU2/294A P414S P415S P416S P417S P418S P4894S P17505S P17506S P17291S P18316S P18317S P17071S P17280S P16798S P17668S P17670S CU2/171A 32/3/389S P4857S P17671S P17673S P17278S P17401S P18371S P17175S P17176S P18314S P18372S P17667S P17669S C27/359A P946R

Date
2/27/1967 8/6/1958 10/27/1971 10/7/1953 10/7/1953 10/7/1953 10/7/1953 10/7/1953 12/22/1964 10/28/2005 10/28/2005 8/23/2005 12/18/2006 12/18/2006 7/22/2005 8/23/2005 12/30/1899 9/1/2005 9/1/2005 10/27/1971 4/11/2005 1/26/1963 9/1/2005 9/1/2005 8/23/2005 10/20/2005 12/18/2006 8/23/2005 8/23/2005 11/1/2006 12/18/2006 9/1/2005 9/1/2005 11/30/1906 11/30/1906

T
43 43 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

R
72 72 70 70 70 70 70 70 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
23 24 7 30 30 31 31 31 3 4 4 5 6 6 7 7 8 11 11 12 13 14 14 14 15 15 17 20 20 20 20 22 23 28 28

QQ
SWSW NWNW SWNE SESE SWNE NESE SWSE NWNW NESW SWSE SESE SWSE SESE

Applicant
USDA FOREST SERVICE CHELMER WILMOT INEXCO OIL COMPANY RALPH E. MILLS RALPH E MILLS RALPH E. MILLS RALPH E.MILLS RALPH E MILLS H.T. ISENBERGER ROBERT & JAMIE SWINGHOLM ROBERT & JAMIE SWINGHOLM ROBERT & JAMIE SWINGHOLM BOLLER MILLS RANCH BOLLER MILLS RANCH DURHAM RANCHES, INC.

Facility Name
WILMOT #F.S.9-266-6 STOCK RESERVOIR NICHOLSON STOCK RESERVOIR CENTRAL WSW #5 2 MILLS #1 STOCK RESERVOIR MILLS #2 STOCK RESERVOIR JOHNSON NO. 1 STOCK RESERVOIR LONE TREE STOCK RESERVOIR CROOKED STOCK RESERVOIR TADPOLE STOCK RESERVOIR SWINGHOLM 23-04-4471 STOCK RESERVOIR SWINGHOLM 34-04-4471 STOCK RESERVOIR SWINGHOLM 44-05-4471 STOCK RESERVOIR BOLLER 34-06-4471 STOCK RESERVOIR BOLLER 44-06-4471 STOCK RESERVOIR DURHAM 12-07-4471 STOCK RESERVOIR STUART 43-07-4471 STOCK RESERVOIR BOLLER STOCK RESERVOIR ENL NORTHEAST STOCK RESERVOIR 13-11-44-71 STOCK RESERVOIR CENTRAL WSW #5 1 NESW 134471 STOCK RESERVOIR NORTHEAST STOCK RESERVOIR 13-14-4471 STOCK RESERVOIR 2-14-4471 STOCK RESERVOIR JUMPOFF 32-15-4471 STOCK RESERVOIR MILLS 33-15-4471 STOCK RESERVOIR BOLLER 43-17-4471 STOCK RESERVOIR SAGER STOCK RESERVOIR DURHAM 13-20-4471 STOCK RESERVOIR BOLLER 32-20-4471 B STOCK RESERVOIR BOLLER 32-20-4471 A STOCK RESERVOIR 3-22-4471 STOCK RESERVOIR 5-23-4471 STOCK RESERVOIR THUNDER BASIN NO. 1 RESERVOIR THUNDER BASIN NO. 1 RESERVOIR

Status
ADJ PUO PUW UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA PUW UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA PUO PUO

Uses
STO STO IND STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO IND STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO

Source
BRANAMAN DRAW QUICKSAND DRAW MILLS #1 DRAW (17-43-70) MILLS #2 DRAW MILLS #1 DRAW (17-43-70) MILLS #1 DRAW (17-43-70) MILLS #1 DRAW (17-43-70) BULL FROG DRAW TREMBEL DRAW BULL FROG DRAW FROG LEGS DRAW ROCKY DRAW MILLS DRAW BOOT DRAW HAT DRAW BOLLER DRAW (DRNG CLOSED BASIN) SPRINGEN DRAW NO. ONE MILLS NO. 1 DRAW TRIB WEST FORK COAL CREEK SPRINGEN DRAW NO. ONE ALE DRAW SPRINGEN DRAW NO. ONE GRAVEL DRAW GRAVEL DRAW DRY DRAW SAGER DRAW SAGER DRAW DRY DRAW DRY DRAW CHEESE DRAW MILLS NO. 1 DRAW DRY DRAW DRY DRAW

NESE

PAUL R. STUART REVOCABLE TRUST TOM MILLS

SESE NESE NWNW NESW NENE NESE NWNE SWNE NWSE NESE SWSW NWSW SWNE SWNE SWNE NENW SESW SESW

DALE MILLS TRUST DALE MILLS TRUST INEXCO OIL COMPANY CLARK K. MILLS TRUST CARL J. SPRINGEN DALE MILLS TRUST DALE MILLS TRUST DALE & EDITH MILLS DALE & EDITH MILLS BOLLER MILLS RANCH DURHAM RANCHES, INC. DURHAM RANCHES, INC. BOLLER MILLS RANCH BOLLER MILLS RANCH DALE MILLS TRUST DALE MILLS TRUST JOHN MORTON SHEEP COMPANY JOHN MORTON SHEEP COMPANY

Draft EIS, Wright Area Coal Lease Applications

S4-47

Supplementary Information on the Affected Environment Table S4-5. Surface Water Rights for the West Jacobs Ranch LBA Tract (Continued).
Permit
P17790S P17789S P17849S P1166S P16678S P18350S P2344S P17672S P33346D P17072S P17075S P17076S P6216S P17073S P17074S CU9/365A P16806S CU9/361A CU9/362A CU9/363A P16807S P16679S

Date
3/3/2006 3/3/2006 3/3/2006 3/3/1955 9/23/2004 8/23/2005 8/4/1958 9/1/2005 11/2/2005 7/22/2005 7/22/2005 7/22/2005 5/13/1968 7/22/2005 7/22/2005 2/4/1986 8/11/2004 2/9/1979 2/9/1979 4/5/1979 8/11/2004 9/23/2004

T
44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44

R
71 71 71 71 71 71 71 71 71 72 72 72 72 72 72 72 72 72 72 72 72 72

S
28 30 30 31 31 32 34 36 36 14 14 14 24 24 24 26 26 35 35 35 35 36

QQ
NESW NESW SWSE NESW NWNW SENW NESW NWSE NWNE SWNE SWNE SESW NENW NWNE SWNW

Applicant
JAMES & IRENE STUART TRUST JAMES & IRENE STUART TRUST JAMES & IRENE STUART TRUST PAULINE S. WARD PAUL STUART PAUL R. STUART REVOCABLE TRUST PAUL AND RUBY H. STUART DALE MILLS TRUST E.H. OFTEDAL & SONS, INC. DURHAM RANCHES, INC. DURHAM RANCHES, INC. DURHAM RANCHES, INC. LESTER WRIGHT DURHAM RANCHES, INC. DURHAM RANCHES, INC. WRIGHT WATER AND SEWER DISTRICT PAUL STUART WRIGHT WATER AND SEWER DISTRICT WRIGHT WATER AND SEWER DISTRICT WRIGHT WATER AND SEWER DISTRICT PAUL STUART PAUL STUART** WYO STATE OFFICE OF LANDS & INVESTMENTS

Facility Name
STUART TRUST 23-28-4471 STOCK RESERVOIR STUART TRUST 23-30-4471 STOCK RESERVOIR STUART TRUST 34-30-4471 STOCK RESERVOIR KELLY #1 STOCK RESERVOIR STUART #2 STOCK RESERVOIR STUART 11-32-4471 STOCK RESERVOIR DWIGHT STOCK RESERVOIR 9-36-4471 STOCK RESERVOIR N. SECTION 36 PLAYA WATER HAUL DURHAM 31-14-4472 STOCK RESERVOIR DURHAM 32-14-4472 A STOCK RESERVOIR DURHAM 32-14-4472 B STOCK RESERVOIR LOCKHART STOCK RESERVOIR DURHAM 21-24-4472 STOCK RESERVOIR DURHAM 31-24-4472 STOCK RESERVOIR RJ 4 SILK PURSE STOCK RESERVOIR RJ 2 RJ 3 RJ 5 CHURCH STOCK RESERVOIR STUART #3 STOCK RESERVOIR

Status
UNA UNA UNA PUO UNA UNA PUO UNA UNA UNA UNA UNA PUO UNA UNA ADJ UNA ADJ ADJ ADJ UNA UNA

Uses
STO STO STO STO STO STO STO STO IND, TEM STO STO STO STO STO STO MUN STO MUN MUN MUN STO STO

Source
DRY DRAW GRAND VIEW DRAW TULIP DRAW KELLY DRAW HAUMAN DRAW DRY FORK LITTLE THUNDER CREEK DWIGHT DRAW QUIGLEY DRAW NORTH SECTION 36 PLAYA (A CLOSED BASIN) EAST FORK HAY CREEK EAST FORK HAY CREEK EAST FORK HAY CREEK EAST FORK HAY CREEK NOW DRAW HOW DRAW

SOW DRAW

SWNW SENW NENW

NESE

FEVER DRAW DRY FORK LITTLE THUNDER CREEK

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment S4-6 ALLUVIAL VALLEY FLOORS Under the Surface Mining Control and Reclamation Act of 1977 (SMCRA), surface coal mining operations that would interrupt, discontinue, or preclude farming on alluvial valley floors (AVFs) is prohibited unless the affected AVF is undeveloped rangeland that is not significant to farming or if the affected AVF is of such small acreage that it would have a negligible impact on a farm’s agricultural production. These restrictions also apply if AVFs that are downstream of the area proposed for mining would be affected by disruptions in streamflow. Provided Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD) determines that an AVF is not significant to agriculture, it can be disturbed by mining but must be restored as part of the reclamation process. For any designated AVF, regardless of its significance to agriculture, it must be demonstrated that the essential hydrologic functions of the AVF, both within and outside the mine area, will be protected. WDEQ regulations define AVFs as unconsolidated stream laid deposits where water availability is sufficient for subirrigation or flood irrigation agricultural activities. Guidelines established by the Office of Surface Mining Reclamation and Enforcement (OSM) and WDEQ/LQD for the identification of AVFs require detailed studies of geomorphology, soils, hydrology, vegetation, and land use. These studies are used to identify: 1) the presence of unconsolidated stream laid deposits, 2) the possibility for artificial flood irrigation, 3) past and/or present flood irrigation, and 4) apparent subirrigated areas and the possibility for natural flood irrigation. Areas that are identified as AVFs following these studies are evaluated for their significance to farming by WDEQ/LQD. In a decision by the U.S. District Court for the District of Columbia, Civil Action Number 69-1144 (1980) (known as the Flannery Decision), the court noted that an AVF must satisfy both geologic criteria (unconsolidated stream laid deposits) and hydrologic criteria (water sufficient to sustain agriculture). Therefore, the court emphasized that the key to the existence of an AVF is the presence of both geologic and water availability characteristics, which together sustain agricultural activities. North Prong Little Thunder Creek and Dry Fork Little Thunder Creek drain most of the tract’s general analysis area. Springen Draw, an ephemeral tributary to an internally-drained playa, drains a small area in the northeastern corner of the West Jacobs Ranch tract’s general analysis area. All streams within and adjacent to the West Jacobs Ranch LBA Tract are ephemeral, responding to precipitation and snowmelt. Runoff is typically of short duration and exhibits temporal patterns similar to precipitation events, although limited bank storage may extend stream flow for longer periods. Streams in the region generally exhibit a low-flow period from October through January, while snowmelt and spring rainfall produce larger flows. Alluvial valley fill deposits have been mapped by the U.S. Geological Survey (Reheis and Coats 1987, Coates 1978a and 1978b) and JRCC (1994) only along Draft EIS, Wright Area Coal Lease Applications S4-49

Supplementary Information on the Affected Environment Dry Fork Little Thunder Creek (from the southern boundary of Section 33, T.44N., R.71W. to the center of Section 2, T.43N., R.71W.) and its tributary, Brater Draw (Figure S4-4). These unconsolidated stream laid deposits consist of intermixed silt and sand locally interbedded with thin clay or gravel lenses and range from about 1.0 to 10.0 feet thick. Groundwater occurrence in the alluvium is generally unknown in this area, but limited occurrence may be expected as bank storage from ephemeral stream flows. Available water quality data indicate that groundwater from the valley fill deposits of Little Thunder Creek and North Prong Little Thunder Creek does not meet the WDEQ/WQD standards for domestic and agricultural uses and is marginal or fails to meet the standards for livestock and wildlife use, depending on the location (TBCC 2007). Surface water quantity and quality are insufficient to support agricultural activities. Other drainages on the West Jacobs Ranch tract are much smaller and AVF characteristics are negligible. Few stream laid deposits are present; the streams do not consistently produce enough runoff to be put to beneficial use, and the soils that dominate the drainage bottoms within the general analysis area are classified by the Natural Resource Conservation Service (NRCS) as unsuitable for irrigation. In addition, there are no present or historical records of agricultural use, other than undeveloped range land, of the stream channels and associated stream laid deposits within the general analysis area for the tract. If the West Jacobs Ranch LBA Tract is leased and proposed for mining, an AVF assessment would be part of the mine permitting process, and formal declarations of the presence or absence of an AVF, its significance to agriculture, and the appropriate perimeter (areal extent) would be made by the WDEQ/LQD as part of the permitting process. Although published geologic mapping indicates that there are few streamlaid deposits, detailed mapping in accordance with WDEQ requirements would be completed to verify the presence or absence of these deposits and their relevance to potential AVFs in the area proposed for mining. Based on previous non-AVF declarations made on North Prong Little Thunder Creek and Dry Fork Little Thunder Creek downstream of the West Jacobs Ranch tract and within the existing Black Thunder Mine permit area, which includes a portion of the West Jacobs Ranch LBA Tract as applied for, it is unlikely that WDEQ/LQD would declare that any AVF characteristics exist in the general analysis area for the West Jacobs Ranch tract. The declared AVF at the North Prong Little Thunder Creek and Little Thunder Creek confluence is located over 7 miles downstream from the West Jacobs Ranch LBA Tract and would not be affected by mining and reclamation within the tract. S4-7 WETLANDS The federal and state regulatory programs, which are administered by the U.S. Army Corps of Engineers (COE) and Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD), respectively, that require special permitting procedures to assure that after mining there are no net loss of S4-50 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment wetlands are described in Section S1-7. A description of wetland types and Other Waters of the United States (OWUS) from a permitting perspective is also given in Section S1-7. A preliminary wetlands inventory of the general analysis area for the West Jacobs Ranch LBA Tract, based on United States Fish and Wildlife Service (USFWS) National Wetlands Inventory (NWI) mapping (1980) and a field survey reconnaissance, was conducted in 2007 and 2008 by Intermountain Resources (IR) of Laramie, Wyoming. The NWI maps were consulted prior to the initiation of IR’s preliminary wetland field survey; however, the boundaries of the existing potential wetlands vary to a greater or lesser extent from the boundaries shown on the NWI maps. IR’s field reconnaissance indicated that wetland areas previously mapped by the USFWS NWI in 1980 have been recently altered due to coal bed natural gas (CBNG)-related water production within and upstream of the tract’s general analysis area. Due to the ephemeral nature of CBNG dewatering activities, the boundaries, and therefore wetland areas, are likewise ephemeral. This wetland resource reconnaissance inventory was completed using the COE 1987 Wetland Delineation Manual. Wetland sites were evaluated based on the presence of hydrophytic vegetation, hydric soils and wetland hydrology. Channel other waters were based on “bed and bank”, while ponded other waters were based on visual open water or evidence of ponding (barren areas with high water marks). Within the entire general analysis area for the West Jacobs Ranch LBA Tract (9,370.4 acres), the preliminary inventory identified a total of 68.4 acres of wetlands and Other Waters of the U.S (OWUS). These wetlands and other waters may consist of either jurisdictional or non-jurisdictional sites, but those determinations can only by made by the COE. Wetlands and/or other waters were found within four general land categories: ponds, ephemeral streams, playas and depressions. Acreages of vegetated wetlands, channel OWUS, and ponded OWUS were estimated for each of the four categories and are shown in Table S4-6. Figure S4-5 depicts IR’s preliminary wetland mapping within the general analysis area (wetlands analysis area) for the West Hilight Field LBA Tract. Table S4-6. Preliminary Wetlands and OWUS Areas1 Estimated on the General Analysis Area for the West Jacobs Ranch LBA Tract. Vegetated Wetlands 4.7 7.8 1.7 2.5 16.7 Channel Other Waters -4.9 --4.9 Ponded Other Waters 14.1 2.1 30.6 -46.8

Ponds Ephemeral Streams Playas Depressions Estimated Totals
1

in acres

Draft EIS, Wright Area Coal Lease Applications

S4-51

Supplementary Information on the Affected Environment
R. 71 W.

P
15

P P P P
19

P
20 21

P
22

P P
P
D P
30 29 28

P
27

D
26 25

P P P

D D D
34

D P

T. 44 N. T. 43 N.

P P

T. 44 N.

P P

P D
3 4

P P D

P D
2

T. 43 N.
1

P
7 8

P
9

R. 71 W.

LEGEND
Ephemeral Stream Channel Ephemeral Stream Wetland or Other Waters of the U.S. P Pond
D

Playa or Depression

Jacobs Ranch Mine Permit Boundary Existing Jacobs Ranch Mine Federal Coal Leases West Jacobs Ranch LBA Tract General Analysis Area Boundary

2000

4000

8000

Preliminary Wetland Mapping by Intermountain Resources (2008) GRAPHIC SCALE (FEET)

Figure S4-5. Wetlands Within the General Analysis Area for the West Jacobs Ranch LBA Tract.

S4-52

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment All of these wetlands and other waters are classified as palustrine. Most of the wetlands have emergent vegetation consisting primarily of spikerush (Eleocharis sp.), cattail (Typha latifolia), alkali bulrush (Scirpus maritimus), foxtail barley (Hordeum jubatum), rush (Juncus sp.) and alkali cordgrass (Spartina gracilis). The ponds and playas have aquatic bed and are seasonally or temporarily flooded with little to no vegetation. These areas are generally either inundated during wet periods or barren during dry periods. A wetland delineation would be conducted and submitted to the COE with a formal Section 404 Jurisdictional Determination request as part of the WDEQ/LQD mine permitting process, if the tract is leased. S4-8 SOILS Soils within the entire general analysis area for the West Jacobs Ranch LBA Tract was evaluated in 2007 using the National Resource Conservation Service (NRCS) Order 3 soil survey information for southern Campbell County (Prink et al. 2004) and field surveys. NRCS Order 3 mapping is completed according to national guidelines and standards. Soils vary depending upon where and how they were formed. Major factors involved in the formation of soils include whether or not the material was transported and how the material was weathered during transportation. Four primary soil formation processes causing different soil types were noted in this area: 1) those soils developing predominantly in thin residuum from sandstone or shale on upland ridges, 2) those soils developing predominantly in slopewash, colluvium, or alluvial fan deposits from mixed sources on gently sloping uplands, 3) those soils developing predominantly in coarse-textured alluvium or sandy eolian deposits on rolling uplands, and 4) soils developing in mixed stream laid alluvium on terraces and channels, and in fine-textured playa deposits in depressions and closed basins. Soils within the general analysis area were identified by series, which consist of soils that have similar horizons in their profile. Horizons are soil layers having similar color, texture, structure, reaction, consistency, mineral and chemical composition, and arrangement in the profile. The soil depths and types in the general analysis area for the West Hilight Field tract are similar to soils currently being salvaged and utilized for reclamation at the neighboring Black Thunder and Jacobs Ranch mines, as well as other mines in the eastern PRB. The following is a list of the soil types delineated in the tract’s BLM study area (note that some series determinations have changed since the original surveys were completed). The major soils series encountered within the soil survey area were grouped according to the primary soil formation processes and are listed as follows:

Draft EIS, Wright Area Coal Lease Applications

S4-53

Supplementary Information on the Affected Environment Soils developing predominantly in thin residuum from sandstone or shale on upland ridges and hills
      

Renohill-Savageton clay loams, 6 to 15 percent slopes Terro-Taluce sandy loams, 6 to 30 percent slopes Theedle-Kishona loams, 6 to 20 percent slopes Theedle-Shingle loams, 3 to 30 percent slopes Turnercrest-Wibaux, thin solum- Taluce complex, 6 to 40 percent slopes Wibaux-Wibaux, thin solum Complex, 6 to 40 percent slopes Wibaux-Shingle-Badland Complex, 6 to 60 percent slopes

Soils developing predominantly in colluvium or alluvial fan deposits from mixed sources on gently sloping uplands
          

Bidman loam, 0 to 6 percent slopes Bidman-Parmleed loams, 0 to 6 percent slopes Bidman-Parmleed loams, 6 to 15 percent slopes Bidman-Ulm loams, 0 to 6 percent slopes Decolney-Hiland fine sandy loams, 0 to 6 percent slopes Decolney-Hiland fine sandy loams, 6 to 15 percent slopes Forkwood-Cushman loams, 0 to 6 percent slopes Heldt-Bidman Complex, saline, 0 to 3 percent slopes Hiland-Bowbac fine sandy loams, 0 to 6 percent slopes Hiland-Bowbac fine sandy loams, 6 to 15 percent slopes Ulm-Renohill clay loams, 0 to 6 percent slopes

Soils developing predominantly in coarse-textured residuum, alluvium and sandy eolian deposits on rolling uplands
       

Hiland-Vonalee fine sandy loams, 6 to 15 percent slopes Keeline-Tullock loamy sands, 6 to 30 percent slopes Keeline-Tullock-Niobrara, dry complex, 3 to 30 percent slopes Maysdorf fine sandy loam, 0 to 6 percent slopes Maysdorf-Pugsley sandy loams, 0 to 6 percent slopes Maysdorf-Pugsley sandy loams, 6 to 15 percent slopes Moskee fine sandy loam, 6 to 10 percent slopes Orpha-Tullock loamy sands, 6 to 30 percent slopes

Drainage soils developing in mixed stream laid alluvium on terraces and channels and in fine-textured playa deposits in depressions and closed basins
 

Arvada, thick surface-Arvada-Slickspots complex, 0 to 6 percent slopes Felix clay, ponded, 0 to 2 percent slopes

Table S4-7 provides the extent of five depth classes of suitable topsoil within the general analysis area. S4-54 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S4-7. Acres of Topsoil Available for Reclamation Within the General Analysis Area for the West Jacobs Ranch LBA Tract. Thickness of Suitable Topsoil (inches) 0 0 – 12 12 – 30 30 – 48 48 – 60 > 60 Total Acres 31.0 2,249.2 2,585.2 3,736.3 766.5 0.00 9,370.4 Percent 0.3 24.0 27.6 39.9 8.2 0.0 100.0

The West Jacobs Ranch LBA Tract baseline soils analysis, in conjunction with the county-wide NRCS soil survey, indicates that the amount of suitable topsoil that would be available for redistribution on all disturbed acres within the analysis area during reclamation would have a depth of 2.2 to 3.0 feet. Areas of unsuitable soils include sites with high alkalinity, salinity, clay content, coarse fragments, and lands previously disturbed by other activities. The tract is expected to have adequate quantity and quality of soil for reclamation. Future soil surveys will be completed to an Order 1-2 resolution in accordance with WDEQ/LQD Guideline No. 1, which outlines required soils information necessary for a coal mining operation, if the tract is leased and proposed for mining. These inventories will include field sampling and observations at the requisite number of individual sites, and laboratory analysis of representative collected soil samples. S4-9 VEGETATION The vegetation communities in the general analysis area for the West Jacobs Ranch LBA Tract (9,370.4 total acres) were appraised and mapped by Intermountain Resources of Laramie, Wyoming in 2007 and 2008. Vegetation communities in this area were delineated and mapped in accordance with the current Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD) requirements. Mapping was completed directly in the field using aerial photography, and map units were determined using dominant vegetation, position on the landscape, soils and past or present land uses. Vegetation within the LBA tract’s general analysis area consists of species common to eastern Wyoming. A total of eight vegetation types have been identified and mapped within the LBA tract’s general analysis area. Table S4-8 presents the acreage and percent of the general analysis area encompassed by each vegetation type. The vegetation (and land use) types include Crested Wheatgrass Pastureland, Upland Grassland, Big Sagebrush Shrubland, Rough Breaks, Disturbed Lands, Playa, Bottomland Grassland and Reservoir.

Draft EIS, Wright Area Coal Lease Applications

S4-55

Supplementary Information on the Affected Environment Table S4-8. Vegetation Types Identified and Mapped Within the West Jacobs Ranch LBA Tract. Vegetation Type Crested Wheatgrass Pastureland Upland Grassland Big Sagebrush Shrubland Rough Breaks Disturbed Lands Playa Bottomland Grassland Reservoir Total Acres 3,757.0 3518.2 1,259.2 514.6 151.1 74.4 70.0 25.9 9,370.4 Percent of Area 40.1 37.6 13.4 5.5 1.6 0.8 0.7 0.3 100.0

In terms of total acres of occurrence in the general analysis area, the predominant vegetation types are Crested Wheatgrass Pastureland (roughly 40 percent), Upland Grassland (roughly 38 percent), and Big Sagebrush Shrubland (roughly 13 percent). These types are described as follows: The Crested Wheatgrass Pastureland vegetation type occurs throughout the study area and is found on relatively flat areas to rolling plains with moderately deep to deep soils. Crested wheatgrass (Agropyron cristatum) was the most common perennial species recorded on this vegetation type. Needleandthread (Stipa comata), red threeawn (Aristida longiseta) and blue grama (Bouteloua gracilis) were also common perennial grasses recorded on Crested Wheatgrass Pastureland. Common annual species recorded on this vegetation type include cheatgrass brome (Bromus tectorum) and sixweeksgrass (Vulpia octoflora). Shrub and subshrub species are typically absent from this vegetation type. The Upland Grassland vegetation type is found throughout the general analysis area. Upland grasslands were present on relatively flat areas to rolling plains with moderately deep to deep soils. This vegetation type is dominated primarily by perennial grasses, which include needleandthread, western wheatgrass (Pascopyrum smithii), blue grama, Sandberg bluegrass (Poa secunda) and prairie junegrass (Koeleria macrantha). Common annual species include cheatgrass brome, Japanese brome (Bromus japonicus), fluffweed (Filago arvensis) and alyssum (Alyssum sp.). Annual grasses and forbs were abundant in 2007. Shrub and subshrub species are uncommon throughout this vegetation type but may be prominent in isolated patches. The Big Sagebrush Shrubland vegetation type typically occurs in upland positions throughout the study area with varied topography on shallow to deep soils. Major perennial species include big sagebrush (Artemisia tridentata), western wheatgrass, prairie junegrass, Sandberg bluegrass, needleandthread S4-56 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment and blue grama. Annual species that are common on this vegetation type include Japanese chess, cheatgrass brome and alyssum. Annual grasses and forbs were abundant in 2007. Big sagebrush is the dominant shrub species found on this vegetation type with several subshrub species also present on these areas. The Rough Breaks vegetation type typically occurs in upland positions, hills and steep slopes with shallow and sometimes coarse soils. Rough breaks are found primarily on the north and west portions, of the general analysis area. Major perennial species include bluebunch wheatgrass (Elymus spicatus), big sagebrush, western wheatgrass, prairie junegrass and blue grama. Annual species that are common on this vegetation type include Japanese chess and cheatgrass brome. Annual grasses and forbs were abundant on this type in 2007. Big sagebrush is the most common shrub species occurring on this vegetation type. There are also several subshrub species that are commonly observed on this type. The Disturbed Lands type is made up of past disturbance, primarily from oil and gas production, ranching facilities, and roadways. The Playa vegetation type is found on depressions within closed drainage basins on heavy, sometimes saline, clay soils. The dominant species was western wheatgrass, inland saltgrass (Distichlis stricta), spikerush (Eleocharis sp.), foxtail barley (Hordeum jubatum) and povertyweed (Iva axillaris). However, many of the playas were barren because of unsuitable soils (clay, saline) and frequently contained water. Shrub and subshrub species are generally absent from this vegetation type. The Bottomland Grassland vegetation type is found primarily along the major drainages in the area. These sites generally have deep soils. The most dominant species on this vegetation type include western wheatgrass, Kentucky bluegrass (Poa pratensis), green needlegrass (Stipa viridula), alkali cordgrass (Spartina gracilis) and inland saltgrass. Shrub and subshrub species are found in limited numbers on this type. Wetlands were included in this map unit and are discussed in the Wetlands section of this document. The Reservoir map unit consists primarily of stockponds created by dikes constructed in drainage channels. Water in the stockponds has been supplemented by recent discharges from CBNG wells. Trees on the resource study area are found primarily in windbreaks/shelterbelts planted adjacent to two ranching facilities; one of which was occupied and the other was abandoned. Only a few small trees are present on the remainder of the general analysis area due to lack of water and suitable habitats. The most common trees present in windbreaks were plains cottonwood (Populus deltoids), Siberian elm (Ulmus pumila) and blue spruce (Picea pingens). Of the two windbreaks present on the area, the largest had over several hundred trees while the other had less than 100 trees. Less than Draft EIS, Wright Area Coal Lease Applications S4-57

Supplementary Information on the Affected Environment 20 trees are present scattered across the remainder of the general analysis area. S4-10 WILDLIFE S4-10.1 Wildlife Resources Background information on wildlife in the vicinity of the West Jacobs Ranch LBA Tract was drawn from several sources including, Wyoming Game and Fish Department (WGFD) and U.S. Fish and Wildlife Service (USFWS) records, the Wyoming Natural Diversity Database (WYNDD), recent PRB federal coal lease application EIS documents (available for public review on Wyoming BLM’s website at http://www.blm.gov/wy/st/en.html), and personnel contacts with WGFD, BLM and USFWS biologists. Site-specific data for the LBA tract’s general analysis area were obtained from sources including WDEQ/LQD permit applications and annual wildlife monitoring reports for nearby mines. Baseline and annual wildlife surveys, which cover large perimeters around each mine’s permit area, have been conducted for the adjacent mines since the mid-1970s. Consequently, a portion of the wildlife survey area for the West Jacobs Ranch tract has previously been surveyed for wildlife species as part of the required monitoring surveys for these adjacent mines. In addition, Jacobs Ranch Coal Company (JRCC) initiated baseline field investigations in 2007 and 2008 expressly for the West Jacobs Ranch LBA Tract. Intermountain Resources (IR), of Laramie, Wyoming, has conducted both the historical and recent wildlife studies specifically for JRCC. The results of site-specific surveys for the entire leased area and appropriate perimeter will be part of the mine permitting process if the lease sale is held and the tract is proposed for mining. The LBA tract and adjacent area consist primarily of uplands. The topography is predominantly level to rolling, with some areas along the tract’s northern and western edges that are sloping to steeply sloping. Vegetation types tend to occur in a mosaic across the landscape; therefore, many wildlife species can be expected to utilize more than one habitat type. Predominant habitat types classified on the LBA tract and adjacent area correspond with the major plant communities defined by the vegetation survey and consist primarily of crested wheatgrass pastureland (roughly 40 percent), upland grassland (roughly 38 percent), and big sagebrush shrubland (roughly 13 percent). These habitats are characterized by level ground to rolling hills that are well vegetated. Rough breaks and bottomland grassland habitat types are found on the tract’s general analysis area along the drainages. Disturbed lands include a network of oil and gas field access roads and areas surrounding oil and gas development activities (i.e., well pads, pipelines, tank batteries), mining-related facilities and activities, and both active and abandoned ranching-related facilities. Reclaimed lands include areas that were recently reclaimed after disturbance for the installation of oil and gas facilities or pipelines, road construction and other activities with varying degrees of recovering vegetation cover. All streams on the LBA tract are ephemeral. Numerous reservoirs/stockponds exist on the LBA tract along with several playas. The majority of the trees on the tract were S4-58 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment planted around ranch buildings. A few other isolated trees exist on the tract along drainages. S4-10.2 Big Game Two big game species commonly occur on and in the vicinity of the LBA tract: pronghorn (Antilocapra americana) and mule deer (Odocoileus hemionus). WGFD big game herd unit maps show this area is out of the normal elk (Cervus elaphus) and white-tailed deer (Odocoileus virginianus) range, although the white-tailed deer was observed on the LBA tract in 2007. The WGFD has classified the tract as yearlong pronghorn range (a population or substantial portion of a population of animals makes general use of this habitat on a yearround basis, but may leave the area under severe conditions on occasion). The vast majority of the tract is also classified as primarily yearlong mule deer range. Pronghorn are, by far, the most common big game species in the area. The LBA tract is within the WGFD’s pronghorn Hilight Herd Unit (pronghorn Hunt Area 24). None of the LBA tract or areas within 2 miles has been classified as crucial pronghorn habitat. In post-season 2007, the WGFD estimated the Hilight Herd Unit population to be approximately 12,397 animals, which is above the WGFD objective of 11,000 (WGFD 2007a). Home range for pronghorn can vary from between 400 to 5,600 acres, according to several factors including season, habitat quality, population characteristics and local livestock occurrence. Typically, daily movements do not exceed 6 miles. Pronghorn may make seasonal migrations between summer and winter habitats, but these migrations may be triggered by preferred forage availability and not local weather conditions. Since only about 13 percent of the LBA tract’s general analysis area is dominated by big sagebrush and the remainder is some type of grassland, the area does not contain abundant pronghorn winter habitat. Pronghorn were observed using all habitat types (upland grassland, crested wheatgrass pastureland, big sagebrush shrubland, rough breaks, bottomland grasslands and playas) during the 2007 surveys. The LBA tract’s general analysis area is located within the western portion of the WGFD Thunder Basin Mule Deer Herd Unit (deer Hunt Area 21). Crucial mule deer ranges do not occur on or within several miles of the LBA tract. In recent years the mule deer population has been estimated to be at, or near the current objective of 20,000 animals (WGFD 2007a). Based on observations in 2007, mule deer had an affinity for the rough breaks and bottomland grassland habitats within and adjacent to the LBA tract. Mule deer use nearly all habitats, but prefer sagebrush grassland, rough breaks, and riparian bottomland. Browse is an important component of the mule deer’s diet throughout the year, comprising as much as 60 percent of total intake during autumn, while forbs and grasses typically make up the rest of their diet (Fitzgerald et al. 1994). Mule deer are frequently observed on mine reclaimed Draft EIS, Wright Area Coal Lease Applications S4-59

Supplementary Information on the Affected Environment lands. In certain areas of the state this species tends to be more migratory than white-tailed deer, traveling from higher elevations in the summer to winter ranges that provide more food and cover. Mule deer are not considered to be migratory in this area and preferred winter habitats comprised of big sagebrush shrublands (including the big sagebrush component of the rough breaks type). The West Jacobs Ranch LBA Tract’s general analysis area is located within the WGFD Central White-tailed Deer Herd Unit (deer Hunt Area 21). White-tailed deer are managed and hunted in conjunction with mule deer. White-tailed deer prefer riparian habitats and are therefore seldom observed in the general analysis area due to the lack of that particular habitat and are considered transient to the area. The WGFD classifies the entire general analysis area as out of the normal white-tailed deer use range. A narrow corridor along Antelope Creek south of the tract’s general analysis area is classified as yearlong range. White-tailed deer are occasionally recorded along the Belle Fourche River and Pine Hills to the east but have rarely been recorded in the general analysis area. The WGFD does not have population estimates for this herd unit due to the challenges of obtaining adequate classifications in many hunt areas within the herd unit. Only one observation of this species (in bottomland grassland) was recorded in 2007. A resident elk herd resides in the Rochelle Hills east of the LBA tract’s general analysis area. The LBA tract is not generally considered by the WGFD to be within normal elk use area, although elk have been recorded in the past several miles to the east in the pine breaks. None of the tract’s general analysis area or areas within two miles have been classified as crucial elk habitat. The nearest crucial elk habitat is over 10 miles to the east on reclaimed areas within the Jacobs Ranch Mine. In that area, the WGFD (Oedekoven 1994) has designated an approximately 5 square mile area on reclaimed or adjacent lands as crucial winter habitat for the Rochelle Hills elk herd. As more lands are reclaimed from mining, elk are shifting their winter use to these areas. RTEA (owner of the Jacobs Ranch Mine) and the Rocky Mountain Elk Foundation (RMEF) finalized a formal agreement that created the Rochelle Hills Conservation Easement. The easement contains nearly 1,000 acres, with 75 percent of that total comprised of reclaimed mining lands on the Jacobs Ranch Mine. The easement acreage was donated to RMEF by RTEA to ensure that the reclaimed land continues to be used as grazing land and wildlife habitat for the extended future (RMEF 2007). The WGFD estimated the 2007 post-season elk population for the Rochelle Hills Herd Unit at 600, which is 50 percent above the current objective of 400 animals (WGFD 2007a). S4-10.3 Other Mammals A variety of small and medium-sized mammal species occur in the vicinity of the West Jacobs Ranch LBA Tract, although not all have been observed on the general analysis area for the tract itself. These include predators and furbearers, such as the coyote (Canis latrans), red fox (Vulpes vulpes), bobcat S4-60 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment (Lynx rufus), striped skunk (Mephitis mephitis), badger (Taxidea taxus), longtailed weasel (Mustela frenata), muskrat (Ondatra zibethicus), beaver (Castor canadensis), and raccoon (Procyon lotor). Prey species include rodents such as mice, voles, chipmunks and black-tailed prairie dogs (Cynomys ludovicianus) and lagomorphs (jackrabbits and cottontails). These prey species are cyclically common and widespread throughout the region. They are important prey items for raptors and other predators. Porcupines (Erethizon dorsatum) and bats (such as hoary [Lasiurus cinereus] and big brown [Eptesicus fuscus]) also have habitat in the vicinity, which is primarily in the pine forest habitat of the nearby Rochelle Hills. Qualified wildlife biologists with IR have mapped the current acreage of prairie dog colonies in the vicinity of the Jacobs Ranch and Black Thunder mines by walking the perimeters of colonies and delineating them using hand-held global positioning system (GPS) receivers and/or by visually mapping them on topographic maps. Surveys for prairie dog colonies were conducted on and within 2 miles of the general analysis area for the LBA tract. One black-tailed prairie dog colony (approximately 17.9 acres in size) was documented on the LBA tract as applied for, and five other colonies, which are approximately 2.6, 3.4, 7.7, 19.5, and 27.2 acres in size, were documented outside of the tract’s general analysis area but within 2 miles of the tract. These six colonies are depicted on Figure 3-35 in the WAC DEIS. The swift fox (Vulpes velox) was observed on the tract’s general analysis area twice in 2007. S4-10.4 Raptors Numerous raptor and owl species have been observed on or adjacent to the West Jacobs Ranch LBA Tract. These species include the golden eagle (Aquila chrysaetos), northern harrier (Circus cyaneus), Swainson’s hawk (Buteo swainsoni), red-tailed hawk (Buteo jamaicensis), ferruginous hawk (Buteo regalis), rough-legged hawk (Buteo lagopus), sharp-shinned hawk (Accipiter striatus), prairie falcon (Falco mexicanus), perigrine falcon (Falco peregrinus), merlin (Falco columbarius), American kestrel (Falco sparverius), osprey (Pandion haliaetus), turkey vulture (Carthartes aura), great horned owl (Bubo virginianus), short-eared owl (Asio flammeus), long-eared owl (Asio otus), burrowing owl (Athene cunicularia) and snowy owl (Nyctea scandiaca). The bald eagle (Haliaeetus leucocephalus) is a migrant and common winter resident of the Wyoming Powder River Basin region. On July 9, 2007, the U.S. Fish and Wildlife Service (USFWS) published a Federal Register notice (72 FR 37346) announcing that the bald eagle would be removed from the list of threatened and endangered (T&E) species under the Endangered Species Act of 1973 (ESA), as amended (16 U.S.C 1531 et seq.); that de-listing was effective as of August 8, 2007. However, the protections provided to the bald eagle under the Bald and Golden Eagle Protection Act (BGEPA), 16 U.S.C. 668, and the Migratory Bird Treaty Act (MBTA), 16 U.S.C. 703, will remain in place. The bald eagle is now recognized as a USFS and BLM Sensitive Species. Draft EIS, Wright Area Coal Lease Applications S4-61

Supplementary Information on the Affected Environment Numerous raptor species have been observed nesting on or near the LBA tract. Raptor species that are known to commonly nest in the general Wright analysis area are the golden eagle, ferruginous hawk, red-tailed hawk, Swainson’s hawk, great horned owl, and burrowing owl. No nest sites have been documented in the general Wright analysis area for American kestrels, northern harriers, or short-eared owls, though occasional sightings of recently fledged young indicate that such activities do occur there for one or more of these species. Habitat is limited for those species that nest exclusively in trees or on cliffs, but several species are adapted to nesting on the ground, creek banks, buttes, or rock outcrops. Rough-legged hawks are winter residents in northeast Wyoming, and breed in the arctic regions. Figure 3-35 in the WAC DEIS shows the locations of raptor nest sites that have been identified within the West Jacobs Ranch LBA Tract wildlife study area (2 mile perimeter encompassing the general analysis area). Due to the West Jacobs Ranch LBA Tract’s proximity to the three Hilight Field LBA Tracts, there is an overlap in the reporting of raptor nests. The number of nests recorded within each of the wildlife survey areas are addressed separately in this supplemental information document, as well as in Section 3.10 of the WAC DEIS document. Over time, raptors have built new nests and natural forces have destroyed many nests, while others have been relocated for mitigation or removed by mining activities. In some cases, nests have been created to mitigate other nest sites impacted by mining operations at this mine. The 2007 and 2008 raptor nest surveys by IR identified a total of 44 intact raptor nests (33 ferruginous hawks nests, two golden eagle nests, three burrowing owl nest, three Swainson’s hawk nests, and three nests that have been used by multiple raptor species) in the West Jacobs Ranch wildlife study area boundary. Nine intact nests were within the West Jacobs Ranch tract’s general analysis area: one intact nest (Swainson’s hawk) was recorded on the Jacobs Ranch LBA Tract as applied for, two additional intact raptor nest sites (one golden eagle and one Swainson’s hawk) were present on the additional lands evaluated by BLM under Alternative 2, and six more intact nests (five ferruginous hawk and one golden eagle) were present within the ¼-mile disturbance buffer. Three of the nine intact nests (one golden eagle, one Swainson’s hawk, and one ferruginous hawk) within the tract’s general analysis area were active in 2007 and 2008. The remaining 35 intact nests were within 2 miles of the tract’s general analysis area. S4-10.5 Upland Game Birds Several upland game bird species have been observed on the West Jacobs Ranch LBA Tract or adjacent areas, including sage-grouse (Centrocercus urophasianus) and migratory mourning doves (Zenaida macroura). Based on field observations, the mourning dove was the more common of the two species. The mourning dove only inhabits the area for breeding and reproduction from late spring to early fall and during migration. S4-62 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment The sage-grouse is a yearlong resident and was historically found on lands within and adjacent to the West Jacobs Ranch LBA. The Jacobs Ranch and Black Thunder Mines conduct surveys of known sage-grouse leks and searches for new leks each spring as part of their annual wildlife monitoring requirements for WDEQ/LQD. Each active lek is generally surveyed three times within a given breeding season. Baseline inventories included the respective mine permit areas and a 2-mile perimeter, and occurred prior to permitting by WDEQ/LQD. Annual surveys include the mines’ permit areas and a 1-mile perimeter, and began when each mine was initially permitted in the early 1980s. As a result, most of the area included in the proposed West Jacobs Ranch LBA Tract has been included in previous regular survey efforts. Those surveys became mandatory with the implementation of Appendix B of the WDEQ/LQD Coal Rules and Regulations in 1993. In May 2002, the USFWS office in Cheyenne, Wyoming, released a list entitled Coal Mine List of 40 Migratory Bird Species of Management Concern in Wyoming, which replaced the previous Migratory Birds of High Federal Interest List. The greater sagegrouse is included on the updated list, giving further impetus to ongoing annual survey efforts. Two sage-grouse leks have been documented in or within 2 miles of the West Jacobs Ranch tract’s general analysis area: Stuart I and Stuart II (Figure 3-35 in the WAC DEIS depicts locations). The Stuart I lek is located approximately 1.3 miles southwest of the tract’s general analysis area and the Stuart II lek is located approximately 1 mile south of the LBA tract as applied for. These two particular leks were last recorded active in 1991 when only two males were observed on the Stuart I lek and seven males were observed on the Stuart II lek. Since 1991 the Stuart I lek has been surveyed 17 times and the Stuart II lek has been surveyed 21 times but no sage-grouse or sign were found during those surveys. While displaying males have not been recorded at either of these two leks for over ten years (not since 1991 at both sites), there is insufficient data to indicate that they are abandoned; therefore, both leks are presently classified “undetermined” (insufficient information to designate the leks as unoccupied). The Stuart I lek would probably not be re-occupied in the near future due to the presence of a CBNG compression station and other CBNG development facilities within ¼ mile of the lek site. The Stuart II lek would probably not be re-occupied in the near future due to the presence of CBNG access roads and other CBNG facilities within ¼ mile of the lek site (IR 2008). Sage-grouse were not observed on the study area during surveys completed by IR during 2007, nor were they observed on lands adjacent to the West Jacobs Ranch LBA Tract in 2007. S4-10.6 Migratory Bird Species of Management Concern in Wyoming Thirty of the 40 listed Level I and II species have historically been observed within northeastern Wyoming (Latilong 13) and 18 species have been recorded in the vicinity of the West Jacobs Ranch LBA Tract (Table S4-9). The USFWS considers Level I species as in need of conservation action, which includes having a monitoring and mitigation plan for those birds. The 16 Level I and II Draft EIS, Wright Area Coal Lease Applications S4-63

Supplementary Information on the Affected Environment Table S4-9. Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the West Jacobs Ranch LBA Tract.
Seasonal Status/Breeding Records in Historical Occurrence Northeastern WY1 in Vicinity of the LBA2 LEVEL I (species need conservation action) Not Expected Summer/Breeder Resident/Breeder Summer/Breeder Summer/Observed Resident/Breeder Summer/Breeder Summer/Breeder Summer/Breeder Summer/Observed Resident/Breeder Resident/Observed Summer/Breeder Resident/Breeder Summer/Breeder Uncommon Uncommon Not Expected Common Common Not Expected Common Uncommon Uncommon Not Expected Common Common Uncommon Occurrence and Status in the LBA tract3 Eight Miles to East/None Historic Breeder Uncommon Breeder None Breeder Common Breeder None Breeder Rare Spring Migrant Historic Breeder Rare Migrant Uncommon Breeder Occasional Winter Resident Uncommon Breeder

Species1 (Scientific Name)

Mountain plover (Charadrius montanus) Greater sage-grouse (Centrocercus urophasianus) McCown’s longspur (Calcarius mccownii) Baird’s sparrow (Ammodramus bairdii) Ferruginous hawk (Buteo regalis) Brewer’s sparrow (Spizella breweri) Sage sparrow (Amphispiza belli) Swainson’s hawk (Buteo swainsoni) Long-billed curlew (Numenius americanus) Short-eared owl (Asio flammeus) Peregrine falcon (Falco peregrinus) Burrowing owl (Athene cunicularia) Bald eagle (Haliaeetus leucocephalus) Upland sandpiper (Bartramia longicauda) Cassin’s kingbird (Tyrannus vociferans) Lark bunting (Calamospiza melanocorys) Dickcissel (Spiza americana) Chestnut-collared longspur (Calcarius ornatus) Black-chinned hummingbird (Archilochus alexandri) Pygmy nuthatch (Sitta pygmaea) Marsh wren (Cistothorus palustris) Western bluebird (Sialia mexicana) Sage thrasher (Oreoscoptes montanus) Grasshopper sparrow (Ammodramus savannarum) Bobolink (Dolichonyx oryzivorus) Common loon (Gavia immer)

LEVEL II (species need monitoring) Not Expected Never Recorded Summer/Breeder Summer/Observed Summer/Breeder Never Recorded Never Recorded Never Recorded Summer/Breeder Summer/Breeder Summer/Breeder Summer/Observed Summer/Observed Common Not Expected Uncommon Not Expected Not Expected Not Expected Not Expected Common Common Not Expected Not Expected

None Common Breeder None Uncommon Breeder None None None None Uncommon Breeder Common Breeder None Uncommon Migrant

S4-64

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S4-9. Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the West Jacobs Ranch LBA Tract (Continued).
Seasonal Status/Breeding Records in Historical Occurrence Northeastern WY1 in Vicinity of the LBA2 LEVEL II (species need monitoring) Not Expected Never Recorded Summer/Breeder Summer/Observed Never Recorded Never Recorded Never Recorded Summer/Breeder Summer/Breeder Summer/Breeder Summer/Observed Never Recorded Resident/Breeder Never Recorded Summer/Observed Not Expected Not Expected Not Expected Not Expected Not Expected Common Common Uncommon Not Expected Not Expected Uncommon Not Expected Not Expected Occurrence and Status in the LBA tract3 None Uncommon Migrant None None None None Breeder Common Breeder Breeder None None Uncommon Migrant None None

Species1 (Scientific Name)

Black-billed cuckoo (Coccyzus erythropthalmus) Red-headed woodpecker (Melanerpes erythrocephalus) Yellow-billed cuckoo (Coccyzus americanus) Eastern screech-owl (Megascops asio) Western screech-owl (Megascops kennicottii) Western scrub-jay (Aphelocoma californica) Loggerhead shrike (Lanius ludovicianus) Vesper sparrow (Pooecetes gramineus) Lark sparrow (Chondestes grammacus) Ash-throated flycatcher (Myiarchus cinerascens) Bushtit (Psaltriparus minimus) Merlin (Falco columbarius) Sprague’s pipit (Anthus spragueii) Barn owl (Tyto alba)
1 2

Latilong 13 – Atlas of Birds, Mammals, Amphibians, and Reptiles in Wyoming (Cerovski et al. 2004). Historical Occurrence/Status in the West Jacobs Ranch LBA survey area is based on records from annual monitoring conducted at the Jacobs Ranch and Black Thunder mines from 1993 through 2007. Sighting records were derived from actual occurrence on or within ½ mile of the LBA tract and the Alternative 2 tract configuration area or from observations related to Jacobs Ranch and Black Thunder mines’ baseline and annual monitoring.

species that historically have been recorded, or are suspected of nesting in the West Jacobs Ranch general analysis area include the Greater sage-grouse, McCown’s longspur, ferruginous hawk, Brewer’s sparrow, Swainson’s hawk, short-eared owl, burrowing owl, upland sandpiper, lark bunting, chestnutcollared longspur, sage thrasher, grasshopper sparrow, loggerhead shrike, vesper sparrow, lark sparrow, and merlin. Other species documented less often in and that have only been observed as migrants the area include the long-billed curlew and bald eagle. S4-10.7 Other Species Wildlife surveys completed specifically for the West Jacobs Ranch LBA Tract, for the adjacent mines, as well as biological research projects in the eastern Powder River Basin have documented numerous other wildlife species that inhabit the region, including various waterfowl, shorebirds and other non-game birds, amphibians, reptiles, and aquatic species. All of these species were Draft EIS, Wright Area Coal Lease Applications S4-65

Supplementary Information on the Affected Environment generally common inhabitants of the area and were not considered to be of specific concern to state or federal agencies. The total bird species observed for the West Jacobs Ranch LBA, including those species already discussed, consists of; 27 waterfowl, 39 shorebirds, 14 raptors, five owls, four game birds and 53 other birds. Under current natural conditions the LBA tract provides limited and marginal aquatic habitat for waterfowl and shorebirds. This habitat is primarily provided during spring migration as ponds, playas and ephemeral streams. These waterbodies generally dry up during the summer. With the addition of water being produced from the CBNG wells in the area, an increase in habitat for waterfowl and shorebirds has occurred. Waterfowl and shorebird species use of the area increased on the ponds and drainages filled by the CBNG wells, but has recently begun to decrease as CBNG water discharges have decreased. Broods of the widgeon (Anus americana), gadwall (Anus stepera), mallard (Anus platyrhynchos), northern shoveler (Anus clypeata), Canada goose (Branta canadensis), killdeer (Charadrius vociferous), and American avocet (Recurvirostra americana) were observed during 2007. The lack of deepwater habitat and extensive and persistent water sources limits the presence and diversity of fish and other aquatic or semi-aquatic species. As discussed above, water discharged from CBNG wells has enhanced the water supply within some drainages in the general Wright analysis area, including Black Thunder Creek and its tributaries, which has increased potential habitat for some aquatic species. However, those temporarilyenhanced areas are still relatively limited and/or isolated in nature, and no perennial drainages are present in the general analysis area. CBNG production and the associated surface discharge of groundwater from coal seams has and will continue to decrease over time and eventually end, returning streamflows to natural conditions. Fish species would not normally be found on the LBA tract as all bodies of water and drainages are ephemeral and tend to dry up by summer or fall. Fish habitat has been created by perennial flows established from CBNG water discharges. However, the CBNG wells must produce sufficient and perennial flows of water and numerous dams would have to be breached for fish species to migrate up the North Prong Little Thunder Creek and Dry Fork Little Thunder Creek and survive. There is little likelihood of any sensitive fish species migrating onto the LBA tract since they are not known to exist downstream within a reasonable distance. The West Jacobs Ranch LBA provides habitats for a variety of reptiles and amphibians. In all, nine reptiles and five amphibians have been recorded on the LBA or within several miles. The bottomland and aquatic sites provide habitat for many of the amphibian species while the uplands provide habitat for the reptile species. The 14 species recorded during past surveys include: the tiger salamander (Ambystoma tigrinum), plains spadefoot (Scaohiopus bombifrons), great plains toad (Bufo cognatus), boreal chorus frog (Pseudacris S4-66 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment triseriata maculata), northern leopard frog (Rana pipiens), short-horned lizard (Phrynosoma douglassi), northern sagebrush lizard (Sceloporus graciosus graciosus), plains hognose snake (Heterondon nasicus nasicus), wandering garter snake (Thamnophis elegans vagrans), red-sided garter snake (Thamnophis sirtalis parietalis), prairie rattlesnake (Crotalus viridis viridis), bullsnake (Pituophis melanoleucas sayi), western plains garter snake (Thamnophis radix haydeni), and eastern yellowbelly racer (Coluber constrictor flaviventris). In 2007, the only reptiles or amphibians that were encountered on the LBA tract were the boreal chorus frog, leopard frog, sagebrush lizard, prairie rattlesnake, and wandering garter snake. The scarcity of mesic habitat elsewhere within most of the LBA area reduces the potential of the area to attract numerous species, particularly amphibians. S4-11 LAND USE AND RECREATION The surface estate on the West Jacobs Ranch LBA Tract as applied for and the area added under Alternative 2 (the BLM study area) is privately owned. The surface ownership of the West Jacobs Ranch tract is shown in detail on Figure 3-43 and the distribution of surface ownership is given in Table 3-14 in the WAC DEIS document. Livestock grazing is the primary land use within the BLM study area for the LBA tract, while oil and gas production, wildlife habitat, and recreation are secondary land uses. Areas of disturbance within and near the West Jacobs Ranch tract include roads, oil and gas wells and associated production facilities, surface minerelated facilities and activities, and activities associated with ranching operations. State Highway 59, which runs north-south, is located about 2½ miles west of the LBA tract, and State Highway 450, which runs east-west, borders the southern edge of the West Jacobs Ranch tract and it provides public and private access within and near the tract. Several unnamed twotrack roads also traverse and provide private access within and near the proposed lease area. The Burlington Northern Santa Fe & Union Pacific (BNSF & UP) railroad right-of-way (ROW) is adjacent to the eastern edge of the Hilight Road ROW (Figure 3-1 in the WAC DEIS document). The oil and gas estate within the West Jacobs Ranch LBA Tract as applied for and the area added under Alternative 2 is federally and privately owned, with the majority (approximately 74 percent) being privately owned. The ownership of the West Jacobs Ranch oil and gas estate is shown in the WAC DEIS document on Figure 3-49. A listing of the current federal oil and gas lessees of record is included as Table 3-18 in the WAC DEIS document. According to the Wyoming Oil and Gas Conservation Commission (WOGCC) records as of May 14, 2008, there were two oil wells on lands included in the West Jacobs Ranch LBA Tract as proposed and the lands added under Alternative 2 that were producing or capable of producing, and nine oil wells and one conventional gas well had been plugged and abandoned (refer to Figure 3-49 in the WAC DEIS document for locations). The most recent Draft EIS, Wright Area Coal Lease Applications S4-67

Supplementary Information on the Affected Environment conventional oil and gas well in the general analysis area was drilled in 1990 (WOGCC 2008a). Conventional oil and gas wells capable of production within the BLM study area for the West Jacobs Ranch tract are listed in Appendix E of the WAC DEIS document. According to the WOGCC records as of May 14, 2008, 78 coal bed natural gas (CBNG) wells were producing and 11 CBNG wells were shut-in within the lands encompassed by the West Jacobs Ranch LBA Tract as applied for and the lands added under Alternative 2 (refer to Figure 3-49 in the WAC DEIS document for locations). Extensive CBNG development has occurred on lands surrounding the tract as well. CBNG wells capable of production within the BLM study area for the West Jacobs Ranch LBA Tract are listed in Appendix E of the WAC DEIS document. Coal mining is a dominant land use to the north, east, and south of the LBA tract. The Black Thunder, Jacobs Ranch, and North Antelope Rochelle mines form a group of contiguous or nearly contiguous surface coal mines located in Campbell and Converse counties (Figure S-1). The North Hilight Field, South Hilight Field, West Hilight Field, West Jacobs Ranch, North Porcupine, and South Porcupine LBA Tracts being evaluated in the WAC DEIS are in this group of mines (Tables 1-1 and 1-2 in the WAC DEIS document). Coal production from the three applicant mines involved in the WAC lease applications (Jacobs Ranch, Black Thunder, and North Antelope Rochelle) increased by roughly 59 percent between 1998 and 2007 (from approximately 120.1 million tons in 1998 to 191.3 million tons in 2007). Since decertification, nine coal leases (the Jacobs Ranch, West Black Thunder, North Antelope/Rochelle, Powder River, Thundercloud, North Jacobs Ranch, NARO South, Little Thunder, and NARO North LBA Tracts) have been issued within this group of mines. Big game hunting is the principal recreational land use within the LBA tract’s general analysis area. Pronghorn and mule deer are the most common big game species within the area. On private lands, hunting is allowed only with landowner permission. Land ownership within the PRB is largely private (approximately 80 percent), with some private landowners permitting sportsmen to cross and/or hunt on their land. There has been a trend over the past two to three decades towards a substantial reduction in private lands that are open and reasonably available for hunting. Access fees continue to rise and many resident hunters feel these access fees are unreasonable. This trend has created problems for the WGFD in their attempt to distribute and control harvest at optimal levels, as well as for sportsmen who desire access to these animals (WGFD 2007a). Pronghorn, mule deer, and white-tailed deer occur on or adjacent to the LBA tract. Sage grouse, mourning dove, waterfowl, rabbit, and coyote may be also harvested in the vicinity, and some trapping of red fox may also occur. Specific details regarding big game herd management objectives within and near the general Wright analysis area are contained in Wyoming Game and Fish Department’s (WGFD’s) 2007 Big Game Herd Unit Job Completion Reports S4-68 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment for the Casper and Sheridan Regions (WGFD 2007a). The WGFD classifies the entire general Wright analysis area as yearlong (a population or substantial portion of a population of animals makes general use of this habitat on a yearround basis but may leave the area under severe conditions on occasion) and winter/yearlong range (a population or a portion of a population of animals makes general use of this habitat on a year-round basis, with a significant influx of additional animals onto this habitat from other seasonal ranges in the winter) for pronghorn. The general analysis area for the West Jacobs Ranch tract is within the Hilight Herd Unit (Hunt Area 24). In post-season 2007, the WGFD estimated the Hilight Herd Unit population to be approximately 12,397 animals, which is above the WGFD objective of 11,000 (WGFD 2007a). The West Jacobs Ranch LBA Tract as applied for and the area added by Alternative 2 are located within the WGFD Thunder Basin Mule Deer Herd Unit (Hunt Area 21). No crucial or critical mule deer ranges or migration corridors occur on or within several miles of the tract’s general analysis area. Crucial range is defined as any particular seasonal range or habitat component that has been documented as the determining factor in a population’s ability to maintain and reproduce itself at a certain level. The WGFD estimated the 2007 post-season mule deer population in this herd unit at 20,980, which is slightly above the current objective of 20,000 (WGFD 2007a). A resident elk herd resides in the Rochelle Hills, which are located just east of the West Jacobs Ranch LBA Tract. Elk do wander from the protection of the Rochelle Hills to forage in native and reclaimed grasslands in the vicinity of the tract’s general analysis area. No portion of the tract’s general analysis area is classified by the WGFD as within normal elk use range. As more lands adjacent to the Rochelle Hills are reclaimed from mining, elk are shifting their winter use to these areas. The WGFD has designated an approximately 5 square mile area on reclaimed lands within the Jacobs Ranch Mine permit area as crucial winter habitat for the Rochelle Hills elk herd (Odekoven 1994). Rio Tinto Energy America (RTEA), owner of the Jacobs Ranch Mine, and the Rocky Mountain Elk Foundation (RMEF) finalized a formal agreement that created the Rochelle Hills Conservation Easement. The easement contains nearly 1,000 acres, with 75 percent of that total comprised of reclaimed mining lands on RTEA’s Jacobs Ranch Mine. The easement acreage was donated to RMEF by RTEA to ensure that the reclaimed land continues to be used as grazing land and wildlife habitat for the extended future (RMEF 2007). Elk have been observed within the general Wright analysis area in recent years, but they are typically restricted to the pine breaks east of the Cordero Rojo, Coal Creek, and Jacobs Ranch mines. The WGFD estimated the 2007 post-season elk population for the Rochelle Hills Herd Unit at 600, which is 50 percent above the current objective of 400 animals (WGFD 2007a). White-tailed deer are generally not managed separately by the WGFD, but are managed and hunted in conjunction with mule deer. The population occupying Hunt Areas 10 and 21 is part of the Central White-tailed Deer Herd Unit. White-tailed deer are seldom observed within the general Wright analysis Draft EIS, Wright Area Coal Lease Applications S4-69

Supplementary Information on the Affected Environment area due to their preference for riparian woodlands and irrigated agricultural lands. The WGFD classifies the entire general Wright analysis area as out of the normal white-tailed deer use range. A narrow corridor along Antelope Creek south of the general Wright analysis area is classified as yearlong white tail range. The WGFD does not have population estimates for this herd unit due to the challenges of obtaining adequate classifications in many hunt areas within the herd unit. Under natural conditions, the general analysis area for the West Jacobs Ranch LBA Tract provides very limited aquatic habitat for waterfowl and shorebirds. The natural aquatic habitat is primarily provided during spring migration as ponds, playas and ephemeral stream flows. These water bodies generally dry up during the summer. With the relatively recent phenomenon of additional surface water being produced from CBNG production within and upstream of the tract’s general analysis area, aquatic habitat for waterfowl and shorebirds has improved somewhat. However, those enhanced areas are still relatively limited and/or isolated in nature. Despite the recent influx of water into the general Wright analysis area, many channels are still reduced to isolated, shallow pools in the summer. Waterfowl and shorebird observations have primarily consisted of relatively low numbers of common species, often restricted to spring migration. Few broods have been recorded in the area during baseline or annual monitoring studies due to limited and unreliable water resources in the area. Avian species typically associated with aquatic habitats in the general analysis area include, but are not limited to, the mallard duck (Anas platyrhynchos), killdeer (Charadrius vociferus), and redwinged blackbird (Agelaius phoeniceus). S4-12 CULTURAL RESOURCES The entire general analysis area for the West Jacobs Ranch LBA Tract has been intensively surveyed for cultural resources at a Class III level. Cultural resource inventories in this area began in 1975 and continued with numerous projects associated with oil and gas field development as well as surface mining operations throughout the 1990s and 2000s. Jacobs Ranch Coal Company (JRCC) contracted with GCM Services, Inc., of Butte, Montana to perform Class I inventories of all previous surveys and Class III surveys of all unsurveyed areas within the general analysis area for the West Jacobs Ranch LBA Tract. GCM completed the Class III level inventory of the tract’s general analysis area in the summer of 2006 (reports not yet accessioned by the SHPO), which included a total of approximately 6,200 acres. A review of the Wyoming Cultural Resource Information System (WYCRIS) produced information from nine large-scale (40 acres or larger) Class III cultural resource inventory projects that have been conducted within the general analysis area for the West Jacobs Ranch tracts. In addition, several small-scale inventories were reported in the area. Small-scale inventories include seismic grids, well pads, access routes, utility corridors and drill holes S4-70 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment associated with oil and gas development. Both large-scale and small-scale projects are listed in the inventory summary table (Table S4-10). Table S4-10. Summary of Cultural Resource Inventories in the General Analysis Area for the West Jacobs Ranch LBA Tract.
Accession No. not accessioned 5 1240 0 1 334 0 unaccessioned Intensity Level & Project Type Class III block Class III linear Class III block Class III block Location of Block Survey T43N, R71W, Section 3, all T43N, R71W, Section 3 - linear survey T43N, R71W, Section 3, all T43N, R71W, Section 3, S1/2, NE1/4, S1/2 NW1/4 T43N, R71W, Section 4, all T43N R71W Section 4, N1/2 T43N, R71W, Section 4, NE1/4 SW1/4 T43N, R71W, Section 5, all T43N R71W Section 5, Center- south section line T43N, R71W, Section 6, E1/2 T43N R71W Section 6, S1/2 T43N, R71W, Section 6 - linear survey T43N, R71W, Section 6 - linear survey T43N, R71W, Section 6 - linear survey T44N, R71W, Section 15, all Class III Block Acres 640 0 640 560 Study Year 2007 2005 2001 2002

unaccessioned 1 334 0 6 778

Class III block Class III block Class III comb. block/linear Class III block Class III block (core hole) Class III block Class III block Class III linear Class III comb. block/linear Class III comb. block/linear Class III block

640 320 2.5

2007 2001 2006

unaccessioned 78 17 0

640 1

2007 1978

unaccessioned 1 1537 0 98 898 0 97 436 0

320 320 0 0

2007 2001 1998 1997

82 125 0

1982

unaccessioned

640

2007

1 1453 0

Class III block

T44N, R71W, Section 15, E1/2 SW1/4, SW1/4 SW1/4 T44N, R71W, Section 15, NW1/4 SW1/4 T44N, R71W, Section 15 - old Class II survey

120

2001

81 2220 0

Class III comb. block/linear Class II (?) comb. block/linear

1981

78 185 0

1978

Draft EIS, Wright Area Coal Lease Applications

S4-71

Supplementary Information on the Affected Environment Table S4-10. Summary of Cultural Resource Inventories in the General Analysis Area for the West Jacobs Ranch LBA Tract (Continued).
Accession No. 75 71 0 Intensity Level & Project Type Class II linear Location of Block Survey T44N R71W Section 15 - linear survey T44N, R71W, Section 16, E1/2, SW1/4 T44N, R71W, Section 16, all T44N, R71W, Section 16, all T44N, R71W, Section 17, E1/2, E1/2 W1/2, SW1/4 SW1/4 T44N, R71W, Section 17, unknown T44N, R71W, Section 19, S1/2 SE1/4 T44N, R71W, Section 19, E1/2 T44N, R71W, Section 19, C NE1/4 SW1/4 T44N, R71W, Section 19, W1/2 Class III Block Acres 0 Study Year 1975

unaccessioned

Class III block

480

2007

80 1696 0 80 1696 0 1 1453 0

Class III block Class III block Class III block

640 640 520

1980 1980 2001

1 728 unaccessioned 1 1453 0 90 489 0

unknown Class III block Class III block Class III comb. block/linear Class III comb. block/linear Class III block Class III block Class III block Class III block Class III block

unknown 80 320 10

2001? 2007 2001 1990

84 789 0

320

1984

unaccessioned 1 1453 0 unaccessioned unaccessioned 1 1453 0

T44N, R71W, Section 20, all T44N, R71W, Section 20, NENE T44N R71W Section 21, all T44N, R71W, Section 22, all T44N, R71W, Section 22, E1/2 NW1/4, SW1/4 NW1/4 T44N, R71W, Section 22, NWNW

640 40 640 640 120

2007 2001 2007 2007 2001

81 380 0

Class III comb. block/linear Class III comb. block/linear

1981

81 2220 0

T44N, R71W, Section 22, none

1981

78 185 0

Class II (?) comb. block/linear

T44N, R71W, Section 22 - old Class II survey

1978

S4-72

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S4-10. Summary of Cultural Resource Inventories in the General Analysis Area for the West Jacobs Ranch LBA Tract (Continued).
Intensity Level & Project Type Class II linear Location of Block Survey T44N, R71W, Section 22 - Class II linear survey T44N, R71W, Section 22, unknown T44N, R71W, Section 22, SE1/4 T44N, R71W, Section 27, all T44N, R71W, Section 27 - linear survey T44N, R71W, Section 27 - Class II linear survey T44N, R71W, Section 27, NE1/4, N1/2 SE1/4 T44N, R71W, Section 28, all T44N, R71W, Section 29, all T44N, R71W, Section 29 - linear survey T44N, R71W, Section 29 - linear survey T44N, R71W, Section 30, E1/2 T44N, R71W, Section 30, E1/2, SW1/4 T44N, R71W, Section 30 - linear survey T44N, R71W, Section 30, NW1/4 Class III Block Acres 0 Study Year 1975

Accession No. 75 71 0

99 1820 unaccessioned unaccessioned 5 1240 0

unknown Class III block Class III block Class III linear

unknown 160 640 0

1999 2006 2007 2005

75 71 0

Class II linear

1975

unaccessioned

Class III block

240

2006

unaccessioned unaccessioned 1 1346 0

Class III block Class III block Class III linear

640 640 0

2007 2007 2001

1 1453 2

Class III linear

2001

unaccessioned 1 1453 0

Class III block Class III block

320 480

2007 2001

87 14 0

Class III linear

1987

84 789 0

Class III comb. block/linear Class III block

160

1984

unaccessioned

T44N, R71W, Section 31, E1/2

320

2007

1 1453 0

Class III block

T44N, R71W, Section 31, all

640

2001

82 125 0

Class III comb. block/linear

T44N, R71W, Section 31, ENWSW, WWNESW

1982

Draft EIS, Wright Area Coal Lease Applications

S4-73

Supplementary Information on the Affected Environment Table S4-10. Summary of Cultural Resource Inventories in the General Analysis Area for the West Jacobs Ranch LBA Tract (Continued).
Intensity Level & Project Type Class III block Class III block Class III linear Location of Block Survey T44N, R71W, Section 32, all T44N, R71W, Section 33, all T44N, R71W, Section 34 - linear survey T44N, R71W, Section 34 – linear survey T44N, R71W, Section 34, all T44N R71W Section 34, ENESE T44N, R71W, Section 34 - linear survey T44N, R71W, Section 34, E1/2 Class III Block Acres 640 640 0 Study Year 2007 2007 2005

Accession No. unaccessioned unaccessioned 5 1240 0

4 91 0

Class III comb. block/linear Class III block Class III block Class II linear

2003

1 334 0 95 4 0 75 71 0

640 20 0

2001 1995 1975

unaccessioned

Class III block

320

2002

The Class I review of the general analysis area for the West Jacobs Ranch LBA Tract identified 13 previously recorded, documented cultural sites, while 18 new cultural properties were identified during the 2006 Class III surveys. Of these 31 total sites, 16 are historic, seven are prehistoric, one contains both historic and prehistoric components, and seven sites are rock cairns of indeterminate age and cultural affiliation. The historic sites consist primarily of homesteads and include a ranch complex and a stock herder’s camp. The prehistoric sites consist of lithic scatters, stone circles or tipi ring sites, and rock cairns. The multi-component site consists of an historic corral complex and a prehistoric rock alignment. Twenty-five of these 31 recorded cultural properties have not been reviewed and evaluated by the State Historic Preservation Office (SHPO) in terms of their National Register of Historic Places (NRHP) eligibility. Of these, 23 sites are recommended not eligible by the recorders and are unlikely to be determined significant. The other two unevaluated cultural properties are prehistoric sites that may lack sufficient information for the SHPO to make an eligibility determination. Of the 31 total sites, six have been reviewed and determined not eligible for the NRHP by the SHPO. There are no sites within the general analysis area for the West Jacobs Ranch LBA Tract considered eligible for the NRHP; however, significance determinations for these sites will have to be S4-74 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment made by the lead agency and SHPO. Table S4-11 lists the cultural sites, the site type, the NRHP status (eligible, not eligible, or undetermined), the recommended action, and the recorder’s affiliation. Table S4-11. Cultural Resource Sites in the General Analysis Area for the West Jacobs Ranch LBA Tract. Recorder's Site Number - Type NRHP Status Affiliation
48CA0366 48CA4095 48CA4097 48CA2420 48CA6776 48CA6780 48CA2418 48CA0496 48CA3559 48CA4220 48CA6350 48CA6353 48CA6354 48CA6779 48CA6788 48CA6789 48CA6790 48CA6791 48CA6792 48CA6793 48CA0391 48CA6777 48CA6787 Lithic Scatter Lithic Scatter Lithic Scatter Stone Rings Stone Ring Stone Ring Cairns Homestead Homestead Homestead Homestead Homestead Homestead Homestead Homestead Homestead Homestead Homestead Homestead Homestead Stockherding Camp Ranch Ranch Prehistoric sites NE NE consultant, NR NE consultant, NR Unknown NE consultant, NR NE consultant, NR Unknown Historic sites NE consultant, NR NE NE consultant, NR NE NE NE NE consultant, NR NE consultant, NR NE consultant, NR NE consultant, NR NE consultant, NR NE consultant, NR NE consultant, NR NE NE consultant, NR NE consultant, NR Multi-component sites NE consultant, NR Unknown sites NE consultant, NR NE consultant NE consultant NE consultant NE consultant NE consultant NE consultant Greer GCM GCM Pronghorn GCM GCM Pronghorn Pronghorn GCM GCM GCM GCM GCM GCM GCM GCM GCM GCM GCM GCM BLM GCM GCM GCM GCM GCM GCM GCM GCM GCM GCM

48CA4096 Drivelines, Corals 48CA6778 48CA6781 48CA6782 48CA6783 48CA6784 48CA6785 48CA6786 Cairn Cairn Cairn Cairn Cairn Cairn Cairn

NE = Site determined Not Eligible for NRHP by the SHPO. NE consultant, NR = Site recommended Not Eligible by recorder, but a determination is not yet made by the SHPO. Unknown = NRHP status has not been determined.

Draft EIS, Wright Area Coal Lease Applications

S4-75

SECTION 5
NORTH PORCUPINE LBA TRACT

Supplementary Information on the Affected Environment S5-1 TOPOGRAPHY AND PHYSIOGRAPHY The general analysis area for the North Porcupine tract is located in the southern portion of the general Wright analysis area. The LBA tract lies entirely within North Antelope Rochelle Mine’s current permit area and is bordered on the south by the mine’s existing federal coal leases. The topography of the tract’s general analysis area is relatively subdued, consisting primarily of gently rolling terrain of moderate relief influenced by Porcupine Creek and its tributaries, Payne Draw, Corder Creek, Boss Draw, Rat Draw, Gray Creek, Chipmunk Draw, and Mouse Draw. Drainage densities are fairly low within the tract’s general analysis area, and internally-drained playas are common topographic and hydrologic features, particularly on adjacent lands east and south of the LBA tract. Elevations range from 4,707 feet to 5,000 feet within the LBA tract as applied for, the BLM study area, and the general analysis area. Slopes within the relatively nondescript landscape of the tract’s general analysis area range from flat up to slightly over 20 percent (a maximum of about 25 percent); the steeper slopes occur in the draws and gullies formed by Porcupine Creek’s ephemeral tributaries. The slopes of the gently rolling uplands, which comprise most (about 81 percent) of the general analysis area, seldom exceed 5 percent. S5-2 GEOLOGY Stratigraphic units in the general analysis area include, in descending order, recent (Holocene age) alluvial and eolian deposits, the Eocene age Wasatch Formation (the overburden), and the Paleocene age Fort Union Formation (which contains the target coal beds). The majority of the recent surficial deposits in the general analysis area are reworked Wasatch Formation residuum or deposits that are of mixed alluvial, residual, and eolian nature, including sheetwash re-deposition of weathered Wasatch material. The lithologies of these unconsolidated deposits represent materials eroded locally and reflect relatively near-source deposition. Alluvial deposits occur along the larger ephemeral tributary streams in the general analysis area and consist primarily of poorly to well-sorted, irregularly bedded to laminated, unconsolidated sand, silt, and clay with minor intervals of fine gravel. The valley floor of Porcupine Creek contains the most appreciable amounts of alluvium both in width and depth, and the alluvial deposits contain more coarse material than the other smaller ephemeral streams that drain most of the general Wright analysis area. Mapping of the surficial geology within the North Porcupine LBA tract’s general analysis area shows that alluvial deposits (stream-channel and overbank deposits) occur along the channels of Porcupine Creek and its tributaries, Gray Creek and Rat Draw (Reheis and Coates 1987, PRC 2004). Downstream of the North Porcupine tract, where the stream has been disturbed by the North Antelope Rochelle Mine, the alluvium was up to 1,000 feet wide, up to 12 feet thick, and composed primarily of coarse-grained sand (BLM 1998). Isolated, thin deposits of sheetwash colluvium consisting of sands, silts, and clays also occur in areas Draft EIS, Wright Area Coal Lease Applications S5-1

Supplementary Information on the Affected Environment of unchanneled flow on hillslopes. Eolian processes have reworked some of the surficial sands and silts, resulting in isolated deflation basins having no natural drainage. These internally-drained surface features (playas) commonly contain fine-grained sediments recently deposited from seasonal rainfall or snowmelt runoff events. The Eocene Wasatch Formation directly overlies the recoverable coal seam and thus forms most of the overburden. Wasatch rocks are exposed on the surface in some locations, particularly along steeper slopes formed by the more erosionally resistant strata and along the breaks or the broken land dissected by small ravines and gullies. The Wasatch overburden consists of interbedded, lenticular sands/sandstones, silts/siltstones, clays and shales with thin discontinuous coal seams. Typically, units are gradational mixtures of these sediments. There is no distinct boundary between the Wasatch Formation and the underlying Paleocene Fort Union Formation. From a practical standpoint, however, the top of the mineable coal zone is considered as the contact between the two formations. Overburden thickness generally increases to the west due to the westerly dip (one to three degrees) of the beds in this area. In general, overburden thickness decreases in stream valleys where the Wasatch has been removed by erosion. The average overburden thickness, which includes the recent surficial deposits, is 343 feet in the LBA tract as applied for, and 354 feet in the BLM study area (the tract configured under Alternative 2). Underlying the Wasatch Formation is the Paleocene Fort Union Formation. The Fort Union Formation (which contains the targeted coal seam) consists primarily of non- to highly-carbonaceous mudstones, siltstones, sandstones, and coal. There is one mineable coal seam (referred to as the WyodakAnderson) in the North Porcupine LBA Tract as applied for and as configured under Alternative 2 (the BLM study area). Table S5-1 presents the average thickness of the overburden and the coal seam for the North Porcupine LBA Tract. Figures S5-1 and S5-2 depict three geologic cross sections (two northsouth and one east-west) drawn through the LBA tract’s BLM study area. Average Overburden and Coal Thicknesses in the North Porcupine LBA Tract. Mining Unit Proposed Action (ft) Alternative 2 (ft) Overburden 343.0 354.0 Coal 75.0 75.0 Interburden 0.0 0.0 The Fort Union coal seams are subbituminous and are generally low-sulfur, low-ash coals. Typically, the coal being mined in the PRB has a lower heating value and higher sulfur content north of Gillette than south of Gillette. According to the analyses (which were done on an as-received basis) of exploration drilling samples collected in the North Porcupine LBA Tract as applied for and the area added under Alternative 2, the average heating value S5-2 Draft EIS, Wright Area Coal Lease Applications Table S5-1.

R. 71 W. R. 70 W.
14 13 16 SC-0067J 0553801 23 19 20 4673J 4669J 26 30 29 SC-0067J 28 4670J 27 26 25 25 4076C 4075C R4062J 4666J 4665J B33B 21 4681J 4678J 4676J 22 23 4684J 4682J 24 24 18 17

C
Existing North Antelope Rochelle Mine Federal Coal Leases North Porcupine LBA Tract as Applied for

LEGEND

A A'

4691J

4687J 27

North Porcupine LBA Tract Under Alternative 2, BLM's Preferred Alternative Borehole Location and Number GEOLOGY

4689J 4063C

33 36 31 32 33 34 35

T. 42 N.
35 36 T. 42 N.

344690J

Sand and Sandstone Interbedded Siltstone, Claystone and Shale Wyodak - Anderson Coal Stratigraphy Extrapolated

4686J

B'
2 6 5 4 3 2 1 1

T. 41 N. T. 41 N. R. 71 W. R. 70 W.

CROSS SECTION LOCATION MAP
SCALE: 1" = 10,000'

4669J

4075C

R4062J (Section C-C')

4666J

Mackey Road

4665J LBA and BLM Study Area Boundary

B33B 4076C

4676J

LBA and BLM Study Area Boundary

4682J

4681J

BNSF & UP RR
4691J (Section B-B')

4684J
Antelope Road

Boss Draw
4678J

Porcupine Creek

Porcupine Creek Porcupine Creek

4950

Corder Creek
4673J

Figure S5-1. Geologic Cross Sections for the North Porcupine LBA Tract.

Draft EIS, Wright Area Coal Lease Applications
5100 4950 4800 4650 4500 4350 4200 6000 9000 12000 15000 18000

4800

4650

4500

4350

4200

3000

SECTION A-A'

21000

24000

27000
SCALE: HORZ. 1" = 6,000', VERT. 1"=600'

Supplementary Information on the Affected Environment

30000

33000

36000

39000

42000

S5-3

R. 71 W. R. 70 W.
14 13 16 SC-0067J 0553801 23 19 20 4673J 4669J 26 30 29 SC-0067J 28 4670J 27 26 25 25 4076C 4075C R4062J 4666J 4665J B33B 21 4681J 4678J 4676J 22 23 4684J 4682J 24 24 18 17

4686J LBA and BLM Study Area Boundary

0553801 BLM Study Area Boundary

4690J

SC-0067J BLM Study Area Boundary

4691J (Section A-A')

R4062J (Section A-A') LBA Boundary

4670J

4687J Porcupine Creek

Supplementary Information on the Affected Environment

4800 4650 4500 4350 4200 3000

B
4800

4689J

4063C LBA and BLM Study Area Boundary

Figure S5-2. Geologic Cross Sections for the North Porcupine LBA Tract.
15 14 13

LBA Boundary

S5-4
C
Existing North Antelope Rochelle Mine Federal Coal Leases North Porcupine LBA Tract as Applied for

LEGEND

A A'

4691J

4687J 27

North Porcupine LBA Tract Under Alternative 2, BLM's Preferred Alternative Borehole Location and Number GEOLOGY

4689J 4063C

33 36 31 32 33 34 35

T. 42 N.
35 36 T. 42 N.

344690J

Sand and Sandstone Interbedded Siltstone, Claystone and Shale Wyodak - Anderson Coal

4686J

B'
2 6 5 4 3 2 1 1

T. 41 N. T. 41 N. R. 71 W. R. 70 W.

CROSS SECTION LOCATION MAP
SCALE: 1" = 10,000'

4950

4950 4800 4650 4500 4350

4650

4500

4350

4200

SECTION B-B'

6000

9000

12000

15000

3000

SECTION C-C'

6000

9000

12000
SCALE: HORZ. 1" = 6, 000', VERT. 1"=600'

Draft EIS, Wright Area Coal Lease Applications
SCALE: HORZ. 1" = 6,000', VERT. 1"=600'

Supplementary Information on the Affected Environment of the coal ranges from 8,488 to 9,244 British thermal units per pound (Btu/lb), with 0.15 to 0.24 percent sulfur, 3.21 to 4.59 percent ash, fixed carbon of 49.5 to 54.1 percent, and 25.6 to 29.7 percent moisture. S5-3 PALEONTOLOGY Although the Eocene Wasatch Formation is known to produce fossil vertebrates of scientific significance in Wyoming, outcrops of the Wasatch Formation in the PRB are not generally well exposed and the conditions of deposition of the formation have contributed to a low preservation potential for fossils. Geologic mapping by the U.S. Geological Survey and Wyoming State Geological Survey have documented that the general Wright analysis area is underlain by sedimentary deposits of the Wasatch Formation. Geologic maps depict bedrock units that would occur at the surface in the absence of recent, unconsolidated colluvial and eolian deposits that occur widespread over the general analysis area. These surficial materials in the general Wright analysis area are derived primarily from the underlying bedrock, which consists mainly of soft shale, sandstone and coal beds, and most of these rocks weather to fine-grained material. The physical properties of the weathered materials depend largely on the mode of transportation and deposition, whether by water, gravity, or wind that account for the position of the weathered materials. Actual outcrops of the Wasatch and underlying Fort Union formations that could be prospected for fossils occur infrequently and are found most commonly in areas having the steepest slopes (i.e., rough breaks between upland areas and drainage channels). The landscape of the LBA tract’s general analysis area is not particularly suited to paleontological exposure. The general analysis area is generally rolling sagebrush shrubland and grassland. No substantial areas of bedrock exposures are found in this vicinity. Vertebrate fossils that have been described from the Wasatch Formation include mammals such as early horses, tapiroids, condylarths, primates, insectivores, marsupials, creodonts, carnivores, and multituberculates; reptiles such as crocodilians, alligators, lizards, and turtles; birds; eggs; amphibians; and fish. Non-marine invertebrates such as mollusks and ostrocods have also been described from the Wasatch. Fossil plant material is common in the Wasatch Formation. The fossil plants inventoried are primarily leaves and fossilized wood. The leaves usually occur as lignitic impressions in sandstone and siltstone and as compact masses in shale. Leaves are the most abundant fossils found during paleontological surveys and are frequently encountered during mining operations. Fossilized wood often occurs near the top of a coal seam, in carbonaceous shale or within channel sandstone. Exposures of fossil logs are common, but usually very fragmentary. Like fossil leaves, fossil logs can be readily collected in the PRB. Professional archeologists, in effort to locate unique pockets of fossilized bone such as those reported elsewhere in the Wasatch Formation in the PRB, closely Draft EIS, Wright Area Coal Lease Applications S5-5

Supplementary Information on the Affected Environment examined outcrop localities in conjunction with the intensive pedestrian surveys for cultural resources. Due the ubiquitous nature of fossilized tree remains and bivalve fragments in the Wasatch Formation, the recording of fossil locations was confined to unique finds. The only observed fossils were of petrified wood fragments. Fossilized wood and leaves are common and can be observed at many unrecorded locations, particularly in associated with coal outcrops. No Wasatch Formation outcrop localities produced exceptional examples and no unique finds were located within the LBA tract’s general analysis area. S5-4 AIR QUALITY S5-4.1 Existing Emission Sources In the vicinity of the North Porcupine LBA Tract, the main sources of air pollution are surface coal mining activities, vehicular traffic, railroad traffic, and various sources associated with oil and gas production and farming and ranching activities. The closest existing coal-fired power plants to the LBA tract are the Dave Johnston plant (approximately 48 miles south-southwest) and the Wyodak Complex (approximately 61 miles north), which consists of the 90-Mw WyGen No. 1, the 335-Mw Wyodak No. 1, the 21.8-Mw Neil Simpson No. 1, the 80-Mw Neil Simpson No. 2, and two 40-Mw natural gas-fired power plants. S5-4.2 Proposed Emission Sources All of the currently proposed emission sources in the eastern PRB are discussed in Chapter 4 of the WAC DEIS document. There are currently 12 pending LBA applications, including the North Porcupine tract. Table S5-2 provides the approximate distances from the North Porcupine LBA Tract to each of the other 11 pending LBA tracts. S5-4.3 Historical Ambient Air Quality: Particulate Emissions Emission Producing Activities Fugitive particulate (dust) emissions are produced within the mine areas by activities such as coal and overburden blasting, excavating, loading and hauling, and large areas of disturbed land. Stationary or point sources of particulate emissions produced within the mine areas include coal crushing, handling/conveying, and storage facilities. Monitoring Results Wyoming Department of Environmental Quality/Air Quality Division (WDEQ/AQD) requires the collection of information documenting the quality of the air resource at each of the PRB surface coal mines. Each mine was required to monitor air quality for a 24-hour period every six days at multiple S5-6 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment monitoring sites through the end of 2001. Beginning in 2002, all PM10 monitors located at the active mines are required by WDEQ/AQD to sample air quality for a 24-hour period every three days. Table S5-2. Distances to Pending LBA Tracts. LBA Tract Hay Creek II Caballo West Belle Ayr North West Coal Creek Maysdorf II West Jacobs Ranch North Hilight Field West Hilight Field South Hilight Field South Porcupine West Antelope II Adjacent Mine Buckskin Caballo Belle Ayr Coal Creek Cordero Rojo Jacobs Ranch Black Thunder Black Thunder Black Thunder North Antelope Rochelle Antelope Distance from North Porcupine 60 miles northwest 35 miles north 35 miles north 22 miles north 25 miles north 8 miles north 10 miles north 3 miles north 2 miles north Proximate 2 miles south

In accordance with the Ambient Air Quality Assurance Project Plan, North Antelope Rochelle Mine operates a particulate and meteorological monitoring network. Figure 3-5 in the WAC DEIS shows the locations of the mine’s particulate (PM10 and TSP) air quality sampling sites (NA-5, NA-6, NA-7, NA/RC, and RO-1) and the meteorological monitoring station. The State of Wyoming added PM10-based standards in 1989 and retained the TSP standards until March 2000; therefore, the TSP standard is no longer being enforced. As of 2008, ambient particulate data are collected at three high volume PM10 samplers (NA-5, NA-7, and RO-1). Site NA-7 replaced Site North Antelope/Rochelle Coal (NA/RC) in 2008. Ambient particulate data were collected at Site NA/RC through 2007. The State of Wyoming added PM10 based standards in 1989 and retained the TSP standards until March 2000; therefore, the TSP standard is no longer being enforced. There were no monitored exceedances of the TSP standard at the North Antelope Rochelle Mine when TSP was the federally regulated pollutant, and there have been no exceedances of the annual average PM10-based standards at the North Antelope Rochelle Mine since PM10 became the federally regulated pollutant. There were no exceedances of the 24-hour PM10-based standards at the North Antelope Rochelle Mine through 2003. From 2004 through 2006 the North Antelope Rochelle Mine experienced two exceedances of the 24-hour PM10 standard; the exceedance in December 2004 was flagged as a high wind event. Prior to 2007, there was no mechanism in place to account for exceedances demonstrated to be the result of natural events. The WDEQ/AQD collaborated with the Wyoming Mining Association (WMA) to develop a Natural Draft EIS, Wright Area Coal Lease Applications S5-7

Supplementary Information on the Affected Environment Events Action Plan (NEAP) for the coal mines of the PRB, based on EPA Natural Event Policy guidance. Under certain conditions, excessive PM10 concentrations resulting from dust raised by exceptionally high winds or other natural events will be treated as uncontrollable natural events. All of the nine exceedances that occurred at the Black Thunder, Jacobs Ranch, and North Antelope Rochelle mines between 2001 and 2006 were associated with elevated wind speeds exceeding 20 miles per hour (mph), which could have qualified as a high wind event under the NEAP. The two exceedances reported in 2007 at the North Antelope Rochelle Mine have been flagged by EPA as exceptional events under the NEAP and will not be considered when determining the region’s air quality designation. Table S5-3 presents the average annual particulate emissions measured at the mine’s one currently active air quality monitoring site from 1998 through 2007. In an effort to relate measured particulate emissions to mine activity, North Antelope Rochelle Mine’s annual coal and overburden production are included in Table S5-3. Table S5-3. Summary of North Antelope Rochelle Mine Annual Coal and Overburden Production and Particulate Emissions Monitoring Data, 1998 - 2008.
Average Annual Particulate Emissions1 Coal Produced (mmtpy) 64.6 68.9 70.8 74.8 74.8 90.1 82.5 82.7 88.5 91.5 97.6
µg/m3)

Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
1

Overburden Moved (mmbcy) 138.9 157.5 171.3 213.3 251.8 272.6 305.6 282.2 296.7 286.2 362.7

NA-6 (µg/m3) 25 35 49 ---------

NA/RC (µg/m3) --27 22 24 27 24 27 28 28 --

NA-5 (µg/m3) --25 26 28 24 26 29 31 37 38

RO-1 (µg/m3) 15 24 20 21 28 26 28 29 31 36 35

NA-7 (µg/m3) ----------21

PM10 (in Source: EPA (2009b), Shamley (2008a)

Control Measures The WDEQ/AQD requires the use of Best Available Control Technology (BACT) on all sources of emissions in the State of Wyoming. North Antelope Rochelle Mine practices control measures that are applicable to surface mining operations, which are outlined in Section 14 of the Wyoming Air Quality Standards and Regulations (WAQSR). S5-8 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Fugitive emissions are controlled with a variety of methods that the agency considers BACT. Section 3.4.2.3 in the WAC DEIS addresses a variety of dust control measures that WDEQ/AQD requires for all surface coal mines in the PRB. Additional site-specific requirements related to mine-specific layout and mining practices may be included in the individual mine’s air quality permits, examples of which are also given in the WAC DEIS. The WDEQ/AQD has issued several new air quality permits modifying North Antelope Rochelle Mine’s air quality controls/operating procedures, and on January 24, 2006, WDEQ/AQD issued air quality permit MD-1309 to modify operations by revising the 90 million ton per year (mmtpy) coal production level to 99 mmtpy, and redesigning a truck dump and conveyor system (PRC 2006). WDEQ/AQD issued the most recent air quality permit, MD-1331, for the North Antelope Rochelle Mine on March 7, 2006, which modified air quality permit MD-1309. S5-4.3 Historical Ambient Air Quality: NO2 Emissions Emission Producing Activities Vehicular traffic, both inside and outside the areas of mining, is responsible for tailpipe emissions. Exhaust emissions from large-scale mining equipment, emissions from compressor engines used in the production of natural gas, emissions from railroad locomotives, and coal-fired power plant emissions all contain oxides of nitrogen (NOX). Tailpipe emissions consist primarily of nitrogen dioxide (NO2), carbon monoxide (CO), and volatile organic compounds (VOCs), but may also include sulfur dioxide (SO2) and other trace constituents. Overburden blasting also sometimes produces gaseous orange-colored clouds that contain NO2. NO2 is one of several products resulting from the incomplete combustion of the explosives used in the blast. Monitoring Results NO2 monitoring results are available from several currently-active air quality monitoring stations in the eastern PRB, including the Thunder Basin National Grasslands Site, located approximately 75 miles north of the North Antelope Rochelle Mine; the Campbell County Site, located approximately 38 miles northwest of the North Antelope Rochelle Mine; and the Tracy Ranch Site, located approximately 2 miles north of the North Antelope Rochelle Mine. WDEQ/AQD and the Black Thunder Mine (Tracy Ranch site only) maintain these air quality monitoring stations. The monitoring data that have been gathered from these sites, as well as other sites that are no longer monitored, are included in Section 3.4.3 of the WAC DEIS. Control Measures To date, there have been no reported events of public exposure to NO2 from blasting activities at the North Antelope Rochelle Mine. The WDEQ has not required the mine to implement any specific measures, although the mine has instituted voluntary control measures to limit both emissions and public Draft EIS, Wright Area Coal Lease Applications S5-9

Supplementary Information on the Affected Environment exposure to NOx from blasting. Section 3.4.3.3 in the WAC DEIS includes additional information. There have been no incidents of public exposure in the southern PRB reported to the WDEQ for the past 4 years. S5-5 WATER RESOURCES North Porcupine LBA Tract lies within the North Antelope Rochelle Mine’s existing permit area; therefore, both the regional and site-specific baseline water resources around and within the North Porcupine LBA Tract are extensively characterized in the mine’s Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD) mine permit (PRC 2004). S5-5.1 Groundwater The North Porcupine LBA Tract overlies three geologic water-bearing strata that have been or would be directly affected by mining. In descending order, these units are the recent alluvial deposits, the Wasatch Formation overburden, and the Fort Union Formation Wyodak coal seam that will be mined. The underlying subcoal Fort Union Formation and Lance-Fox Hills Sandstone are utilized for industrial water supply at the nearby mines, but these units are not physically disturbed by mining activities. Baseline hydrogeologic conditions within and around the North Antelope Rochelle Mine are characterized in the WDEQ/LQD mine permit (PRC 2004), and ongoing groundwater monitoring data (depth to water and water quality) are included in the mine permit and annual reports. North Antelope Rochelle Mine’s current groundwater monitoring program is addressed in their 2007 WDEQ Annual Report (PRC 2007), and Figure 3-22 in the Wright Area Coal Leases Draft EIS (WAC DEIS) depicts the locations of the currently active monitoring wells. Recent Alluvium Most of North Porcupine LBA Tract’s general analysis area is within the Porcupine Creek watershed; however, a small portion is within the Little Thunder Creek watershed. Holmes Creek and Trussler Creek, ephemeral tributaries of Little Thunder Creek, drain the northeastern-most portion of the tract. There are also some areas in the eastern portion of the LBA tract that do not contribute runoff to any stream and playas have formed in the lowest portions of those non-contributing drainage areas. The most significant alluvial aquifer in the general Wright analysis area is that associated with Porcupine Creek. The valley floor of Porcupine Creek contains appreciable amounts of alluvium both in width and depth, and the alluvial deposits contain much more coarse material than the other smaller ephemeral streams that drain most of the general Wright analysis area. Downstream of the North Porcupine tract, where the stream has been disturbed by active mining, the alluvium was up to 1,000 feet wide, up to 12 feet thick, and composed primarily of coarse-grained sand (BLM 1998). Recent alluvial deposits associated with surface drainages within the North Porcupine tract’s S5-10 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment general analysis area are generally thin and not laterally extensive enough to yield groundwater. Mapping of the surficial geology within the tract’s general analysis area (Reheis and Coates 1987, PRC 2004) shows that alluvial deposits occur along the channels of Porcupine Creek and its tributaries, Gray Creek and Rat Draw (Figure S5-3). These materials are comprised of stream-channel and overbank deposits of sand and silt interbedded with gravel lenses. Isolated, thin deposits of sheetwash alluvium consisting of sands, silts, and clays also occur in areas of unchanneled flow on hillslopes and in depressions. No aquifer tests on valley fill deposits have been documented in the LBA tract’s general analysis area. Hydraulic properties of the recent stream laid deposits are variable throughout the North Antelope Rochelle Mine permit area due to varying depositional environments. Studies conducted by PRC on the alluvium of Porcupine Creek downstream of the North Porcupine LBA Tract indicate that the average hydraulic conductivity for the valley fill deposits is variable, ranging from 1.1 to 13.0 feet per day (ft/day) (BLM 1998). The Porcupine Creek alluvial aquifer receives recharge from the infiltration of precipitation, from lateral movement of groundwater that discharges from the adjacent Wasatch Formation overburden, and from the infiltration of surface flow within the stream channel. The quality of Porcupine Creek alluvial groundwater is generally poor but suitable for livestock and wildlife use, and the concentration of sulfate typically exceeds the agricultural use standard. The total dissolved solids (TDS) concentrations of alluvial groundwater samples collected by North Antelope Rochelle Mine downstream of the LBA tract range from about 1,000 milligrams per liter (mg/L) to 37,000 mg/L, with an average of approximately 5,350 mg/L (Ogle and Calle 2006). Wasatch Formation Within the PRB, the Wasatch Formation (the strata lying above the mineable coal, also called the overburden) consists of non-marine, fluvial and eolian deposits of interbedded sands, silts, and clays with occasional discontinuous deposits of coal carbonaceous material and clinker. This description basically holds true for the area within and around the North Porcupine LBA Tract. The Wasatch Formation overburden reportedly consists of approximately 80 percent claystone and siltstone beds and approximately 20 percent sandstone lenses (PRC 2004). Saturated strata within the Wasatch are limited in areal extent and are typically thin, lenticular sandstones. The hydraulic connection between sandstone lenses is tenuous due to the intervening shale; thus, groundwater movement through the Wasatch Formation overburden is limited. The sandstone and thin coal stringers, where saturated, will yield water to wells. This water is primarily used for livestock watering. Since the saturated sandstone and coal units within the formation are not continuous, the Wasatch is not considered to be a regional aquifer.

Draft EIS, Wright Area Coal Lease Applications

S5-11

Supplementary Information on the Affected Environment
BNSF &
Hili g

Draw

Olso n

S ch

ool

Matheson Road

Edwards

Road

Reno Road
Antel ope R oad

10
11

Cr ee k

cu p ine

Cr ee k
21
22

Ho lmes

Po r

raw t D Ra
23

Reno Road

C re ek
7 18
18

R. 71 W. R. 70 W.

R.70W.R.69W.
Tr r sle us
C ek re
6

Bla

ck tte Bu
29

Cr ee k

Draw

Matheson Road

T. 41
N.

Draw

Pa yn e

Draw

T. 42
N.

Co rd er

Ch
32

m ip
33

k un

C re ek

raw Gopher D

Ol n so

Mo e us
Dra

aw Dr

ol ho Sc

Shrew Draw

G ray

aw Dr

w
34

k ee Cr

Cre ek

Mackey Road

T. 42
N. T. 41
N.

Mike's

H or s e

Rog er's

Draw

Re d

Dra w

ta il
Draw
15

Ed-1

E agle Draw

Cin

dy's

Cr ee k raw D

9
Kn

Dr aw
10

Po r ine cup

w Dra 11
dy bo ea P
14
15

ek re C

Judi'

s Dr aw

tz B ol
Po e pin rc u
23

aw Dr

20
Belden

Draw

G abe Draw
28

Porcupine Reservoir
Campbell County

Ge tch ell Dra w

An te lo pe

Sp ring

T. 41
N. T. 40
N.

Cre

R. 71 W. R. 70 W.

T. 41
N. T. 1
6 40
N. R. 70 W. R. 69 W.
36

Sun

An te l

A ntelop e R oad

raw aD An

re ek

Converse County

Dra w
30

Ch yr

Skull

Ho
C rse re ek

Draw

Approximate Extent of Stream Laid Deposits Approximate Current Mining Disturbance Limit Approximate Extent of Declared Alluvial Valley Floor Ephemeral Streams Alluvial deposits and AVF mapping by PRC (2004).
0 5000 10000 20000

GRAPHIC SCALE (FEET)

Figure S5-3. Declared Alluvial Valley Floors and Stream Laid Deposits Within and Adjacent to the North and South Porcupine LBA Tract.

ee Cr k

op e

ek re

LEGEND
North Antelope Rochelle Mine Permit Boundary North Porcupine LBA Tract as Applied for North Porcupine LBA Tract Under Alternative 2, BLM's Preferred Alternative South Porcupine LBA Tract as Applied for South Porcupine LBA Tract Under Alternative 2, BLM's Preferred Alternative

S5-12

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Another geologic unit that may be considered a part of the Wasatch Formation is scoria, also called clinker or burn. It consists of sediments that were baked, fused, and melted in place when the underlying coal burned spontaneously. These contact metamorphic sediments collapsed into the void left by the burned coal. Scoria deposits can be a very permeable aquifer and can extend laterally for miles in the eastern PRB. The occurrence of scoria is site specific, typically occurring in areas where coal seams crop out at the surface. The hydrologic function of scoria is to provide infiltration of precipitation and recharge to laterally contiguous overburden and coal beds. Clinker outcrop areas occur along North Antelope Rochelle Mine’s eastern permit boundary. Scoria does not occur on the general analysis area for LBA tract. Water production from the overburden within and around the North Antelope Rochelle Mine area is typically low. Most of the overburden is composed of massive silty and clayey shales of very low permeability. Distinct zones of relatively unconsolidated, discontinuous sand bodies are also present in the overburden in the North Antelope Rochelle Mine permit area, some of which are saturated. These lenticular-shaped sand bodies are variable in nature and tend to be both vertically and horizontally isolated and discontinuous. Given the low permeability of the silts and clays that isolate these sand bodies, groundwater yields from them are generally low and not extensive enough to supply a continuous, reliable yield of more than a few gallons per minute (gpm). The overburden sand bodies therefore constitute minor aquifers of interest in the North Antelope Rochelle Mine permit area (PRC 2004). Recharge to the Wasatch Formation is predominantly from the infiltration of precipitation and lateral movement of water from adjacent scoria bodies. Regionally, groundwater is discharged from the Wasatch Formation by evaporation and transpiration, by pumping wells, by vertical leakage into the underlying coal seams, by drainage into mine excavations, and by seepage into the alluvium along stream courses. Overburden in the vicinity of the North Porcupine LBA Tract is recharged naturally by infiltration of precipitation. Additionally, artificial recharge occurs where in-channel reservoirs have been constructed for ranching operations and where groundwater is discharged to the surface by coal bed natural gas (CBNG) production. Overburden groundwater is not generally connected to the underlying Wyodak coal seam due to a low-permeability stratum at the base of the overburden, which is fairly widespread in the general analysis area. However, part of the water in the overburden recharges the coal and some continues moving laterally and downward until it discharges to the surface in a drainage channel (PRC 2004). Due to the discontinuous nature of the permeable overburden sediments, premine overburden groundwater movement generally followed the topography. Before mining, overburden groundwater flow in the vicinity of the North Antelope Rochelle Mine was generally toward, and discharged to the Porcupine Creek and Antelope Creek valleys. Groundwater flow has since been affected in the mine area by the removal of overburden. Monitor well data indicate that overburden groundwater in the North Porcupine LBA Tract general analysis Draft EIS, Wright Area Coal Lease Applications S5-13

Supplementary Information on the Affected Environment area now flows toward the North Antelope Rochelle’s and neighboring mines’ open pits. Overburden groundwater levels show steady decline in areas within about ½ mile of the mine pits as a result of mine drainage. Discharge from the overburden also occurs in localized areas along surface drainages, including Porcupine Creek and its tributaries, where the static water level and the valley fill deposits are nearly the same. For the Wasatch Formation as a whole in the PRB, the discontinuous nature of the water bearing units results in low overall hydraulic conductivity and low groundwater flow rates. Groundwater encountered in the overburden is usually unconfined or perched, and water levels generally vary from 10 to 100 feet below ground level (Ogle and Calle 2006). Because of the varied nature of the stratigraphic units within the Wasatch, hydraulic properties are variable as well. Martin et al. (1988) reported that hydraulic conductivities within the Wasatch ranged from 10-4 ft/day to 102 ft/day, and the geometric mean hydraulic conductivity based on 203 tests was 0.2 ft/day. The geometric mean hydraulic conductivity from 70 aquifer tests using wells completed in sandstone in the Wasatch overburden was 0.35 ft/day, while that from 63 aquifer tests using wells completed in siltstone and claystone in the Wasatch overburden was 0.007 ft/day (Rehm et al. 1980). The quality of groundwater in the Wasatch Formation near the North Porcupine LBA Tract is variable and generally poor. TDS concentrations range from approximately 360 mg/L to 7,360 mg/L averaging 3,040 mg/L and the water is characterized as a sodium-sulfate type (PRC 2004). The median TDS for the Wasatch Formation for the group of mines located between Gillette and Wright, as calculated by WDEQ/Land Quality Division (LQD) based on 1,109 samples, is 2,996 mg/L (Ogle et al. 2005). Based on the analyses of over 1,000 water quality samples collected by the southern PRB mines, including North Antelope Rochelle, the median TDS concentration was 2,000 mg/L and the predominant constituents were sodium and sulfate (Ogle and Calle 2006). Overburden groundwater is generally considered to be unsuitable for domestic consumption and irrigation use, but is suitable for livestock and wildlife use. Wyodak Coal The Tongue River Member of the Fort Union Formation contains the mineable coal zone, which is often divided by partings that separate it into two or more units. The mineable coal zones are variously referred to as the Anderson and Canyon, Roland and Smith, Wyodak-Anderson, Upper and Lower Wyodak, or Wyodak seams. At the North Antelope Rochelle Mine it is referred to as the Wyodak seam. In the North Porcupine LBA Tract, the Wyodak seam ranges from 50 to 90 feet thick, with an average thickness of approximately 75 feet. The Wyodak coal seam is water bearing and due to its continuity and areal persistence it is considered a regional aquifer. Historically, the Fort Union Formation coal seams have been a source of groundwater, primarily for livestock use and for some domestic use in the eastern PRB. However, due to S5-14 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment the 1 to 3 degree west-northwest structural dip of the Fort Union strata, the coal seams generally become too deep to be an economical source of stock water within a few miles west of their outcrop and the surface coal mines. Hydraulic conductivity within the coal seams is highly variable and reflective of the amount of fracturing the coal has undergone, as unfractured coal is virtually impermeable. Field tests indicate that the coal has a low to moderate transmissivity with a range of roughly three orders of magnitude. Localized zones of moderately high transmissivity occur due to increased fracturing. The yield of groundwater to wells and mine pits is smallest where the permeability of the coal is derived primarily from localized unloading fractures. The highest permeability is imparted to the coal by tectonic fractures. These are throughgoing fractures of areal importance created during deformation of the Powder River structural basin. The presence of these fractures can be recognized by their linear expression at the ground surface, controlling the orientation of stream drainages and topographic depressions. Due to their pronounced surface expression, these tectonic fractures are often referred to as “lineaments”. Coal permeability along lineaments can be increased by orders of magnitude over that in the coal fractured by unloading only. Such increased permeability in the coal aquifer is seen in the southeast area of the North Antelope Rochelle Mine, and is attributed to structural development that has produced additional fracturing. Martin et al. (1988) cites a regional hydraulic conductivity for the coal of 0.8 ft/day. Coal permeability values are highly variable in the general analysis area, indicating extreme variations in the fracture densities. Hydraulic conductivity values range from 0.48 to 4.5 ft/day in the North Antelope Rochelle Mine area (PRC 2004). Recharge to the coal occurs principally by infiltration of precipitation in the clinker outcrop areas along the flank of the eastern Powder River structural basin. Secondary vertical recharge from the overburden also occurs, but is highly variable. Prior to mining, the direction of groundwater flow within the coal aquifer was generally from recharge areas westward into the basin, following the structural dip. Groundwater conditions varied from unconfined to confined, depending on the coal elevation and proximity to the outcrop area. Water levels were generally above the top of the coal away from the outcrop. Site-specific water-level data collected from coal monitoring wells by North Antelope Rochelle Mine and other PRB surface coal mines and presented in the Gillette Area Groundwater Monitoring Organization (GAGMO) 25-year report (Hydro-Engineering 2007) indicate that the groundwater flow directions in the Wyodak coal have been greatly influenced by surface mine dewatering and groundwater discharge associated with coal bed natural gas (CBNG) development. Groundwater levels observed near active mining areas prior to 1997 were likely due to mine dewatering alone and the groundwater flow direction within the coal aquifer was typically toward the mine excavations. By year 2000, groundwater level decline rates had dramatically increased because drawdown caused by widespread CBNG development west of the mines was overlapping with drawdown caused by mining operations. A continuous cone Draft EIS, Wright Area Coal Lease Applications S5-15

Supplementary Information on the Affected Environment of depression existed around the Jacobs Ranch, Black Thunder, Antelope, and North Antelope Rochelle mines due to their close proximities and cumulative drawdown effects from pit dewatering. The extent of drawdown west of the mines that is specifically attributable to mine dewatering alone can no longer be defined due to much greater and areally extensive drawdown caused by the more recent CBNG development. Recent coal seam water level data presented in the GAGMO 25-year report (Hydro-Engineering 2007) illustrate that approximately 140 feet of drawdown has occurred near the western edge of the North Porcupine LBA Tract, which of over 2½ miles from the closest open pit at the North Antelope Rochelle Mine. The 2005 coal seam water level contours (potentiometric surface) in the area surrounding the North Antelope Rochelle Mine depict the groundwater flow direction to be entirely to the west, away from the open pits. Roughly 30 years of surface mining and 10 years of CBNG development has resulted in complete dewatering of the coal seams in localized areas, particularly near the mines’ pits and where the coal seams are structurally highest. Coal groundwater quality is typically only suitable for livestock and wildlife watering purposes because certain constituent concentrations commonly exceed many suitability criteria for domestic uses, and the water may have a high salinity and sodium hazard, which makes it unsuitable for agricultural uses. Concentrations of individual parameters may exceed the livestock standards at some locations (Ogle and Calle 2006). Within the North Antelope Rochelle Mine area, Wyodak coal groundwater quality is generally poor, but exhibits lower TDS concentrations than alluvial or overburden groundwater. Mean sulfate and occasionally, manganese concentrations may exceed the Wyoming agricultural standards (WDEQ/WDQ 2009) in the North Antelope Rochelle Mine area (Ogle and Calle 2006). The composition of groundwater in the coal is fairly uniform and there are no seasonal or long-term trends in composition. The predominant cation is sodium, while the predominant anion is bicarbonate. A median TDS concentration of 952 mg/L was calculated by the WDEQ/LQD for the coal aquifer, based on 832 samples collected from the southern group of PRB mines, including North Antelope Rochelle (Ogle and Calle 2006). Subcoal Fort Union Formation The Fort Union Formation is divided into three members, which are, in descending order: the Tongue River Member, the Lebo Member, and the Tullock Member. The mineable coal seams occur within the Tongue River Member. The subcoal Fort Union Formation consists primarily of lithified sands and shales, and is divided into three hydrogeologic units: the upper Tongue River aquifer, the Lebo confining layer, and the Tullock aquifer (Law 1976). Of the three units, the Tullock is the most prolific in terms of groundwater yield. Five Fort Union Formation wells, which are all approximately 2,000 feet deep, are used for mine water supply at the North Antelope Rochelle Mine. S5-16 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Mining does not directly disturb the hydrogeologic units below the mineable coal, but many PRB mines use them for industrial water supply wells. In a few cases there have been drawdowns in the subcoal aquifer due to leakage into mine pits, dewatering, and CBNG development. The upper Tongue River aquifer consists of lenticular, fine-grained sandstone interbedded with mudstone. The Lebo confining layer is typically more fine-grained than the other two members and generally retards the movement of water (Lewis and Hotchkiss 1981). The Lebo confining layer typically separates the Tongue River and Tullock aquifers hydraulically. The Tullock aquifer consists of discontinuous lenses of sandstone separated by interbedded shale and siltstone. Transmissivity is equal to an aquifer’s hydraulic conductivity, or permeability, times the aquifer’s saturated thickness, and is commonly used when discussing the hydraulic properties of the subcoal Fort Union Formation where wells are completed by exposing many discrete sand lenses to the well bore. Transmissivities are generally higher in the deeper Tullock aquifer than in the shallower Tongue River aquifer, and many mines in the PRB have water-supply wells completed in this interval (Martin et al. 1988). The average transmissivity for the Tullock, as reported by OSM (1984), is 290 ft2/day. The water quality of the subcoal Fort Union Formation is generally good, meeting the standards for domestic use, as well as irrigation and livestock use (Ogle et al. 2006). TDS concentrations measured in various subcoal Fort Union Formation water supply wells in the eastern PRB range from 200 mg/L to 520 mg/L. Water from the subcoal Fort Union Formation is typically of the sodium-bicarbonate type. Lance Formation-Fox Hills Sandstone Underlying the Fort Union Formation is the Lance Formation of Cretaceous age. The Lance Formation is comprised of an upper confining layer and a lower aquifer. Individual sandstone beds of the lower aquifer sequence are up to about 100 feet thick, are fine-grained, and contain variable amounts of interbedded clay and silt. The Fox Hills Sandstone underlies the Lance Formation and is usually difficult to distinguish from the Lance. The Fox Hills is described as well-developed, fine- to medium-grained, marine sandstone that contains thin beds of sandy shale and probably averages around 250 feet thick beneath the general Wright analysis area. The lower Lance Formation and Fox Hills sandstone, which is called the LanceFox Hills aquifer in the eastern PRB, is used for an industrial water supply at the North Antelope Rochelle Mine. The mine’s two Lance-Fox Hills wells are approximately 5,350 feet deep and each well is capable of producing about 350 gallons per minute. Water from these wells is a sodium-bicarbonate type with a TDS concentration of approximately 1,200 mg/L. This water is suitable for livestock and wildlife uses. Draft EIS, Wright Area Coal Lease Applications S5-17

Supplementary Information on the Affected Environment S5-5.2 Surface Water The North Antelope Rochelle Mine site is situated near the eastern margin of the PRB, which is a broad structural trough that lies between the Big Horn Mountains and the Black Hills. The PRB is drained by three separate drainage systems: the Powder/Little Powder, the Cheyenne, and the Belle Fourche rivers. The North Antelope Rochelle Mine and North Porcupine LBA Tract lie mostly within the Porcupine Creek watershed, which is a tributary of Antelope Creek, which is a tributary of the Cheyenne River. The topography of the Cheyenne River drainage basin is typified by broad, flat, inter-stream uplands and a wide, level expanse of eastward-sloping plains broken by a few isolated buttes. Porcupine Creek, which is an ephemeral stream in its upper reaches and an intermittent stream in its lower reaches, flows from northwest to southeast through the mine’s permit area and empties into Antelope Creek, which is an intermittent stream, approximately 9 miles southeast of the North Porcupine LBA Tract. The total drainage area for Porcupine Creek is approximately 124 square miles, and the mainstream channel is about 48 miles long. The Porcupine Creek watershed has a dendritic drainage pattern with an approximate width (northeast-southwest) of 5.8 miles and an approximate length (northwest-southeast) of 23.9 miles. The relief of Porcupine Creek’s drainage basin is 760 feet from its headwaters to its confluence with the Antelope Creek. Porcupine Creek, prior to all mining disturbance, had an approximate gradient of 0.3 percent. The North Antelope Rochelle Mine is currently permitted to disturb approximately 25 percent of the Porcupine Creek watershed. The entire BLM study area for the North Porcupine LBA Tract is within the mine’s current permit area. About 84 percent of the BLM study area drains to Porcupine Creek. A short reach of Porcupine Creek, which is a meandering ephemeral stream in this area, flows across the western portion of the North Porcupine LBA Tract. Several tributary streams to Porcupine Creek also cross the LBA tract. Figure 3-31 in the WAC DEIS depicts the surface water features within and adjacent to the North Porcupine LBA Tract. Chipmunk Draw, a northeast-flowing, second order ephemeral tributary of Porcupine Creek, drains the southwestern portion of the North Porcupine LBA Tract. Near the headwaters of Chipmunk Draw, the stream channel elevation is about 4,940 feet. Total topographic relief in the stream’s basin is 210 feet and the channel thalweg length is about 3.5 miles. The channel elevation is about 4,810 feet where it enters the LBA tract and approximately 4,730 feet at its confluence with Porcupine Creek within the LBA tract. Chipmunk Draw has a total drainage area of approximately 4.6 square miles and it drains about 12 percent of the North Porcupine LBA Tract as applied for. Gray Creek, a southeast-flowing, second order ephemeral tributary of Porcupine Creek, drains the northwest portion of the North Porcupine LBA Tract. Near the headwaters of Gray Creek, the stream channel elevation is about 5,060 feet. Total topographic relief in the stream’s basin is 340 feet and S5-18 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment the channel thalweg length is about 5.2 miles. The channel elevation is about 4,770 feet where it enters the LBA tract and approximately 4,720 feet at its confluence with Porcupine Creek within the LBA tract. Gray Creek has a total drainage area of approximately 3.5 square miles and it drains about 5 percent of the North Porcupine LBA Tract as applied for. Rat Draw, a south-flowing, second order ephemeral tributary of Porcupine Creek, drains the northwest portion of the North Porcupine LBA Tract as applied for. Near the headwaters of Rat Draw, the stream channel elevation is about 4,990 feet. Total topographic relief in the stream’s basin is 290 feet and the channel thalweg length is about 4.1 miles. The channel elevation is about 4,790 feet where it enters the LBA tract and approximately 4,710 feet at its confluence with Porcupine Creek within the LBA tract. Rat Draw has a total drainage area of approximately 2.5 square miles and it drains about 5 percent of the North Porcupine LBA Tract as applied for. Boss Draw, a south-flowing, second order ephemeral tributary of Porcupine Creek, drains the central portion of the North Porcupine LBA Tract. Near the headwaters of Boss Draw, the stream channel elevation is about 4,920 feet. Total topographic relief in the stream’s basin is 140 feet and the channel thalweg length is about 3.5 miles. The channel elevation is about 4,840 feet where it enters the LBA tract and approximately 4,750 feet where it leaves the LBA tract. Boss Draw has a total drainage area of approximately 3.75 square miles and it drains about 14 percent of the North Porcupine LBA Tract as applied for. Corder Creek, a southwest-flowing, second order ephemeral tributary of Porcupine Creek, drains the central portion of the North Porcupine LBA Tract. Near the headwaters of Corder Creek, the stream channel elevation is about 4,950 feet. Total topographic relief in the stream’s basin is 300 feet and the channel thalweg length is about 4.0 miles. The channel elevation is about 4,950 feet where it enters the LBA tract and approximately 4,810 feet where leaves the LBA tract. Corder Creek has a total drainage area of approximately 4.3 square miles and it drains about 10 percent of the North Porcupine LBA Tract as applied for. Payne Draw, a southwest-flowing, third order ephemeral tributary of Porcupine Creek, drains the eastern portion of the North Porcupine LBA Tract. Near the headwaters of Payne Draw, the stream channel elevation is about 4,900 feet. Total topographic relief in the stream’s basin is 280 feet and the channel thalweg length is about 4.6 miles. Payne Draw has a total drainage area of approximately 5.5 square miles and it drains about 12 percent of North Porcupine LBA Tract as applied for. The topography of the upland areas adjacent to the Porcupine Creek valley is relatively subdued and drainage densities are fairly low. There are some areas in the eastern portion of the LBA tract that do not contribute runoff to any Draft EIS, Wright Area Coal Lease Applications S5-19

Supplementary Information on the Affected Environment stream and playas have formed in the lowest portions of those non contributing drainage areas. All of Porcupine Creek’s tributary streams within and adjacent to the LBA tract are typical for the region, in that flow events are ephemeral. Stream runoff is typically of short duration and exhibits temporal patterns similar to precipitation events. All ephemeral streams in the region show the characteristic extreme low-flow period from October through January. Flow events frequently result from snowmelt during the late winter and early spring. Although peak discharges from such events are generally small, the duration and therefore the percentage of annual runoff volume can be considerable. During the spring, general storms (both rain and snow) are more frequent; hence increasing soil moisture and decreasing infiltration capacity and subsequent rainstorms can result in higher runoff volumes and peak discharges. North Antelope Rochelle Mine has monitored the streamflow on Porcupine Creek; hydrographs generated using data collected from the mine’s gaging station (Site GS-1) located upstream of the active mine area and just downstream of the LBA tract (refer to Figure 3-31 in the WAC DEIS) indicate infrequent streamflow events of very low magnitude (less than 5 cubic feet per second). Each stream flow event is separated by periods of no flow, ranging in durations averaging 2 to 17 days. The stream’s average annual discharge from 1981 through 1995 was approximately 10.0 acre-feet (PRC 2004). Prior to all mining disturbances, 10 in-channel reservoirs were located within the North Porcupine LBA Tract. These impoundments served to capture most of the streamflow, causing pronounced stream channel aggradation to the point at which it is difficult in places to distinguish the active channel from abandoned channel scars. The channel floor and banks are vegetated, no active erosion is evident, and the channel profile is irregular indicating the reduced streamflow cannot maintain its former gradient prior to the construction of the stock ponds. Due to the relatively small drainage area and the storage capacity of the impoundments, streamflow events are limited and heavily regulated (PRC 2004). Most of these stock ponds are many decades old and have not been permitted with the Wyoming State Engineer’s Office (SEO). The water in Porcupine Creek and other local channels comes from four general sources: 1) surface water from the large watershed upstream, 2) groundwater contained in the shallow alluvial aquifer, 3) lateral flow of groundwater from surrounding overburden bedrock, and 4) CBNG production water. Currently, and for some time into the indefinite future, groundwater that is discharged from CBNG production in the watershed is adding flow to surface drainages. Streamflow is still very much a function of the amount and timing of precipitation and snowmelt runoff; however, since 1999, the PRB of northeastern Wyoming has experienced severe drought conditions. Therefore, the mean annual streamflow rate and annual discharge volume has not S5-20 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment significantly increased in these streams as a result of the discharges associated with CBNG production (Clark and Mason 2007). Water quality in these ephemeral streams is highly dependent on flow. Flow and water quality are monitored by the North Antelope Rochelle Mine in Porcupine Creek and several minor tributaries on and near the mine’s current permit area, and the results are reported annually to the WDEQ/LQD, which are on file and available for public review at their office in Cheyenne, Wyoming. The surface water is typically a calcium/sodium sulfate type and generally contains more than 1,500 mg/L of TDS. This water quality is usually unsuitable for domestic use, marginal to suitable for irrigation, and suitable for livestock and wildlife watering. The WDEQ/WQD has classified Antelope Creek and Porcupine Creek as Class 3B streams, which are not known to support fish populations or drinking water supplies. Class 3B waters are intermittent or ephemeral streams with sufficient water present to normally support aquatic life including invertebrates, amphibians, or other flora and fauna at some stage of their life cycles. Class 3B waters are also characterized by frequent linear wetlands or impoundments, over its entire length (WDEQ/WQD 2009). The streamflow and water quality in Porcupine Creek are currently being monitored by the North Antelope Rochelle Mine at sites located upstream and downstream of the mine operation and the data are being reported to the WDEQ/LQD in the mine’s annual reports. S5-5.3 Water Rights The Wyoming State Engineer’s Office (SEO) administers water rights in Wyoming. Water rights are granted for both groundwater and surface water appropriations. Prior to development of water resources associated with energy development, water appropriations (either groundwater or surface water) in the PRB were typically for livestock use. Records of the SEO have been searched for groundwater rights within a 3-mile radius of the BLM study area for the North Porcupine LBA Tract. This information is required for WDEQ permitting. The summary of the most recent search is provided below. Currently, mining companies and coal bed natural gas (CBNG) development companies hold the majority of the water rights in the search area. A more detailed listing of the non-coal mine related groundwater rights within a 3-mile radius of the LBA tract is presented in Table S5-4. Wyoming SEO data indicate that, as of August 2008, there are 982 permitted water wells within 3 miles of the tract, of which, 354 are owned by coal mining companies. The other 628 non-coal mine related, permitted water wells, which include 547 wells permitted for uses related to CBNG development, are permitted for the following uses: Draft EIS, Wright Area Coal Lease Applications S5-21

Supplementary Information on the Affected Environment
               

260 CBNG only 173 stock and CBNG 84 CBNG and miscellaneous 48 stock 23 monitoring 20 CBNG and reservoir supply 5 domestic and stock 4 stock, CBNG, and miscellaneous 3 dewatering and CBNG 2 industrial 1 CBNG, reservoir supply, stock 1 domestic only 1 miscellaneous 1 stock, CBNG, and reservoir supply 1 stock and miscellaneous 1 stock, miscellaneous, and CBNG

Of the non-coal mine related wells within the search area, approximately 87 percent have permits related to CBNG development; 37 percent have permits related to livestock use; 14 percent have permits related to miscellaneous use; three percent have permits related to monitoring; and one percent have permits related to domestic uses. As the above numbers indicate, most of these 628 wells are permitted for multiple uses. SEO records have been searched for surface water rights within a 3-mile radius of the BLM study area for the North Porcupine LBA Tract. Like the groundwater rights, this information is also required for WDEQ permitting. A summary of the most recent search is provided below. A more detailed listing of the non-coal mine related surface water rights is presented in Table S5-5. For the North Porcupine LBA Tract, SEO records indicate that as of August 2008, there are 345 non-coal mine related, permitted surface water rights within the search area. These surface water rights are permitted for the following uses:
            

260 stock 33 irrigation 3 irrigation and domestic 16 stock, irrigation, and domestic 5 undefined 4 temporary, industrial and miscellaneous 3 fish propagation and recreation 3 recreation, stock, and fish propagation 2 industrial and pollution control 2 stock and irrigation 2 wetlands 1 industrial 1 industrial and temporary Draft EIS, Wright Area Coal Lease Applications

S5-22

Supplementary Information on the Affected Environment Table S5-4. Groundwater Rights for the North Porcupine LBA Tract.
Permit
P67821W P8998P P25607P P2314W P33290W P161756W P161757W P161758W P161759W P108419W P71738W P152730W P152731W P152733W P153120W P153123W P95332W P95333W P183669W P156299W P156300W P156301W P156302W P156303W P156304W P156305W P156306W P12754P P44330W P152258W P152259W P152260W P152261W P179982W P179983W P179984W P179985W P151087W P151088W P151089W

Priority
7/6/1984 6/7/1968 1/14/1974 7/18/1951 5/17/1976 8/23/2004 8/23/2004 8/23/2004 8/23/2004 12/16/1997 1/14/1986 7/2/2003 7/2/2003 7/2/2003 7/28/2003 7/28/2003 2/12/1986 7/30/1981 10/29/2007 11/28/2003 11/28/2003 11/28/2003 11/28/2003 11/28/2003 11/28/2003 11/28/2003 11/28/2003 12/30/1951 7/20/1978 6/2/2003 6/2/2003 6/2/2003 6/2/2003 2/23/2007 2/23/2007 2/23/2007 2/23/2007 4/28/2003 4/28/2003 4/28/2003

T
41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41

R
69 70 70 70 70 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
6 2 6 9 18 1 1 1 1 1 1 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4

QQ
SWNE SWSE NWSE SWNW SENW SWNW SWSW NENW NESW NWSW SWNW SWNE SWSE NESE SWNW NESW NENE NENE SWSW NESE NENE SWSE SWNE NESW NENW SWSW SWNW NESW NWSE SWNE NENW SWNW NENE NESE NENE SESW SWSW SWSW NESW SWSE

Applicant

Facility Name

Status
GST GST GST GST GST GSI GSI GSI GSI UNA UNA GST GST GST GST GST GST GST GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GSI GSI GST GST GST

Uses
STO STO STO STO STO CBM,MIS CBM,MIS CBM,MIS CBM,MIS STO,MIS,CBM STO CBM CBM CBM CBM CBM DOM,STO DOM,STO STO CBM CBM CBM CBM CBM CBM CBM CBM STO STO CBM CBM CBM CBM CBM CBM CBM CBM STO,CBM STO,CBM STO,CBM

Static WL
8 -1 -4 0 300

T.D.
8 395 805 700 644

USA USDA FOREST SERVICE SOUTH TECKLA SPRING #T B 49 USDA FOREST SERVICE TECKLA #T B 133 PAUL & EDITH RUTH WILKINSON WILKINSON #3 JOHN C. DILTS, JR. DILTS #21 USDA FOREST SERVICE BELL #T B 199 (DEEPENED) CONTINENTAL INDUSTRIES LC PORK S FED 12-1-41-71 CONTINENTAL INDUSTRIES LC PORK S FED 14-1-41-71 CONTINENTAL INDUSTRIES LC PORK S FED 21-1-41-71 CONTINENTAL INDUSTRIES LC PORK S FED 23-1-41-71 REDSTONE RESOURCES, INC FEDERAL 13AC-111 USA USDA FOREST SERVICE WILKINSON SPRING TB #55 BILL BARRETT CORPORATION H. PUTNAM 32-2-4171 BILL BARRETT CORPORATION H. PUTNAM 34-2-4171 BILL BARRETT CORPORATION H. PUTNAM 43-2-4171 BILL BARRETT CORPORATION FEDERAL 12-2-41-71 BILL BARRETT CORPORATION FEDERAL 23-2-41-71 FRANCES PUTNAM JINX #3 FRANCES PUTNAM JINX #2 SIOUX RANCH INC. SIOUX RANCH-2-1 BILL BARRETT CORPORATION PORK S FED 43-3-41-71 BILL BARRETT CORPORATION PORK S FED 41-3-41-71 BILL BARRETT CORPORATION PORK S FED 34-3-41-71 BILL BARRETT CORPORATION PORK S FED 32-3-41-71 BILL BARRETT CORPORATION PORK S FED 23-3-41-71 BILL BARRETT CORPORATION PORK S FED 21-3-41-71 BILL BARRETT CORPORATION PORK S FED 14-3-41-71 BILL BARRETT CORPORATION PORK S FED 12-3-41-71 USDA FOREST SERVICE MATHESON #TB 42 USDA FOREST SERVICE MARG #5 BILL BARRETT CORPORATION ** WY STATE BOARD STATE 32-4-4171 OF LAND COMMISSIONERS BILL BARRETT CORPORATION ** WY STATE BOARD OF LAND COMMISSIONERS STATE 21-4-4171 BILL BARRETT CORPORATION ** WY STATE BOARD STATE 12-4-4171 OF LAND COMMISSIONERS BILL BARRETT CORPORATION ** WY STATE BOARD OF LAND COMMISSIONERS STATE 41-4-4171 COLEMAN OIL & GAS, INC. ** JEANNE JAROSH JAROSH FEDERAL #43-8 COLEMAN OIL & GAS, INC. ** JEANNE JAROSH JAROSH FEDERAL #41-8 COLEMAN OIL & GAS, INC. ** JEANNE JAROSH JAROSH FEDERAL #24-4 COLEMAN OIL & GAS, INC. ** JEANNE JAROSH JAROSH FEDERAL #14-4 WILLIAMS PRODUCTION RMT ** WY STATE BOARD OF LAND COMMISSIONERS STATE FEDERAL 14-4-4171 WILLIAMS PRODUCTION RMT ** WY STATE BOARD STATE FEDERAL 23-4-4171 OF LAND COMMISSIONERS WY STATE BOARD OF LAND COMMISSIONERS ** LANCE OIL & GAS COMPANY, INC STATE FEDERAL 34-4-4171

457.28 486.53 434 464 440 486 464.65 507.71 474.7 505.54 50 480 45 360 488 478 499 510 487 530 518 508 -1 94 519.62 529.37 496.86 324 550 545 583 577 540 600 577 562 122 163 646 650 640 619

512 502 466

647 620 586

Draft EIS, Wright Area Coal Lease Applications

S5-23

Supplementary Information on the Affected Environment Table S5-4. Groundwater Rights for the North Porcupine LBA Tract (Continued).
Permit
P151090W P159417W P159418W P159419W P159420W P151091W P151092W P151093W P151094W P143886W P143887W P143890W P143895W P143898W P143901W P149739W P149742W P149738W P149738W P149740W P5611P P171805W P171806W P171807W P171804W P159421W P159422W P159423W P159424W P149741W P162910W P162900W P23598W P23603P P143882W P143884W P143888W P143891W P143893W P143896W P143899W P143902W P171808W P159425W P159426W P159427W P161325W

Priority
4/28/2003 5/12/2004 5/12/2004 5/12/2004 5/12/2004 4/28/2003 4/28/2003 4/28/2003 4/28/2003 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 2/19/2003 2/19/2003 2/19/2003 2/19/2003 2/19/2003 5/2/1960 8/18/2005 8/18/2005 8/18/2005 8/18/2005 5/12/2004 5/12/2004 5/12/2004 5/12/2004 2/19/2003 9/21/2004 9/21/2004 7/25/1973 7/25/1973 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 8/18/2005 5/12/2004 5/12/2004 5/12/2004 8/3/2004

T
41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 8 8 8 8

QQ
NESE SWNW SWSW NENW NESW SWNE SWSE NENE NESE SWNW SWSW SWSW NENW NESW NESW SWNW SWSW NESW NESW NENW SWNW SWNE NESE SWSE NENE SWNW SWSW NENW NESW NWNE NESE SWSE NWSE NWSW SWNW SWNW SWSW SWSW NENW NENW NESW NESW NENE SWNW SWSW NENW NESE

Applicant
WY STATE BOARD OF LAND COMMISSIONERS ** LANCE OIL & GAS COMPANY, INC COLEMAN OIL & GAS, INC. COLEMAN OIL & GAS, INC. COLEMAN OIL & GAS, INC. COLEMAN OIL & GAS, INC. LANCE OIL & GAS LANCE OIL & GAS LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC ROBERT E. ISENBERGER YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. COLEMAN OIL & GAS, INC. ** PATRICIA LITTON COLEMAN OIL & GAS, INC. ** PATRICIA LITTON COLEMAN OIL & GAS, INC. ** PATRICIA LITTON COLEMAN OIL & GAS, INC. ** PATRICIA LITTON LANCE OIL & GAS COMPANY, INC LANCE OIL AND GAS COMPANY LANCE OIL AND GAS COMPANY PATRICIA L. ISENBERGER PATRICIA L. ISENBERGER REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. YATES PETROLEUM CORP. COLEMAN OIL & GAS, INC. COLEMAN OIL & GAS, INC. COLEMAN OIL & GAS, INC. COLEMAN OIL & GAS, INC. ** JERRY DILTS

Facility Name
STATE FEDERAL 43-4-4171 BRIDLE BIT FEDERAL #12-5 BRIDLE BIT FEDERAL #14-5 BRIDLE BIT FEDERAL #21-5 BRIDLE BIT FEDERAL #23-5 BRIDLE BIT FEDERAL 32-5-4171 BRIDLE BIT FEDERAL 34-5-4171 BRIDLE BIT FEDERAL 41-5-4171 BRIDLE BIT FEDERAL 43-5-4171 FEDERAL 12W-511 FEDERAL 14LW-511 FEDERAL 14UW-511 FEDERAL 21W-511 FEDERAL 23LW-511 FEDERAL 23UW-511 LITTON FED 12-6-4171 LITTON FED 14-6-4171 LITTON FED 23-6-4171 LITTON FED 23-6-4171 LITTON FED 12-6-4171 LY #1 BEARCAT CS FEDERAL #2 BEARCAT CS FEDERAL #3 BEARCAT CS FEDERAL #4 BEARCAT CS FEDERAL #1 ISENBERGER FEDERAL #12-7 ISENBERGER FEDERAL #14-7 ISENBERGER FEDERAL #21-7 ISENBERGER FEDERAL #23-7 LITTON FED 31-7-4171 P LITTON FEDERAL 43-7-4171 WY P LITTON FEDERAL 34-7-4171CA LY #3 SPRING #8 FEDERAL 12LW-711 FEDERAL 12UW-711 FEDERAL 14LW-711 FEDERAL 14UW-711 FEDERAL 21UW-711 FEDERAL 21W-711 FEDERAL 23LW-711 FEDERAL 23UW-711 BEARCAT CS FEDERAL #5 BRIDLE BIT FEDERAL #12-8 BRIDLE BIT FEDERAL #14-8 BRIDLE BIT FEDERAL #21-8 BRIDLE BIT RANCH STATE #43-8

Status
GST GST GST GST GST GST GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST GST GSI GSI GSI GST GST GST GST GST GST GSE GSI GST GST GSI GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST GSI

Uses
STO,CBM CBM,RES CBM,RES CBM,RES CBM,RES STO,CBM STO,CBM STO,CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,RES CBM,RES CBM,RES CBM,RES STO,CBM CBM CBM STO STO CBM CBM CBM CBM CBM CBM CBM CBM CBM,MIS STO,CBM CBM,RES CBM,RES CBM

Static WL
450 574 463 629 540 551 443 553 492

T.D.
573 645 584 706 614 665 566 687 606

656 597 637 637 650 280

768 714 753 753 765 344

694 595 505 555 472 520

716 662 584 648 658 646

100 -1

252 8

421 436 413

543 522 544

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S5-4. Groundwater Rights for the North Porcupine LBA Tract (Continued).
Permit
P159428W P159429W P159430W P108190W P143883W P143885W P143889W P143892W P143894W P143897W P143900W P143903W P143907W P143911W P143919W P143923W P171809W P151096W P151095W P151097W P171822W P171823W P171824W P171824W P171825W P171841W P151098W P171813W P171826W P171835W P171836W P171837W P171838W P58121W P152734W P152735W P152736W P153124W P153125W P162923W P171814W P171815W P160414W P160416W 40/7/494W

Priority
5/12/2004 5/12/2004 5/12/2004 12/4/1997 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 8/18/2005 4/28/2003 4/28/2003 4/28/2003 8/18/2005 8/18/2005 8/18/2005 8/18/2005 8/18/2005 9/7/2005 4/28/2003 8/18/2005 8/18/2005 8/18/2005 8/18/2005 8/18/2005 8/18/2005 5/18/1981 7/2/2003 7/2/2003 7/2/2003 7/28/2003 7/28/2003 9/21/2004 8/18/2005 8/18/2005 7/2/2004 7/2/2004 1/11/2008

T
41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 9 9 9 9 9 9 9 9 9 10 10 10 10 10 10 10 11 11 11 11 11 11 11 11 11 12 12 12

QQ
NESW SWNE NENE SWNE SWNW SWNW SWSW SWSW NENW NENW NESW NESW SWNE SWNE NENE NENE SWSE NENW SWNW NESE NENE SWNE SWSW SWNE SWSE NESW SWNW SWSE NENE SWSW NESW NESE SWNE NENE SWNW NENW SWNE SWSE NESE NENW NESW SWSW SWNW NESW NWSE

Applicant
COLEMAN OIL & GAS, INC. ** JERRY J. AND THE BRIDLE BIT RANCH COMPANY DILTS COLEMAN OIL & GAS, INC. ** JERRY J. AND THE BRIDLE BIT RANCH COMPANY DILTS COLEMAN OIL & GAS, INC. ** JERRY J. AND THE BRIDLE BIT RANCH COMPANY DILTS JERRY DILTS ** KEY PRODUCTION CO. INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. YATES PETROLEUM CORP. LANCE OIL & GAS LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. LANCE OIL & GAS COMPANY, INC YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. BIG HORN FRACTIONATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION LANCE OIL AND GAS COMPANY YATES PETROLEUM CORP. YATES PETROLEUM CORP. BILL BARRETT CORPORATION BILL BARRETT CORPORATION UNITED STATES FOREST SERVICE

Facility Name
BRIDLE BIT FEDERAL #23-8 BRIDLE BIT FEDERAL #32-8 BRIDLE BIT FEDERAL #41-8 SAPELO #1 FEDERAL 12LW-811 FEDERAL 12UW-811 FEDERAL 14LW-811 FEDERAL 14UW-811 FEDERAL 21UW-811 FEDERAL 21W-811 FEDERAL 23LW-811 FEDERAL 23UW-811 FEDERAL 32LW-811 FEDERAL 32UW-811 FEDERAL 41LW-811 FEDERAL 41UW-811 BEARCAT CS FEDERAL #6 BRIDLE BIT FEDERAL 21-9-4171 BRIDLE BIT FEDERAL 12-9-4171 BRIDLE BIT FEDERAL 43-9-4171 GLOSTER CS FEDERAL #1 GLOSTER CS FEDERAL #2 GLOSTER CS FEDERAL #4 GLOSTER CS FEDERAL #4 GLOSTER CS FEDERAL #5 GLOSTER CS FEDERAL #3 BRIDLE BIT FEDERAL 12-10-4171 BLENHEIM CS FEDERAL #1 GLOSTER CS FEDERAL #6 HAWKER CS FEDERAL #3 HAWKER CS FEDERAL #2 GLOSTER CS FEDERAL #8 GLOSTER CS FEDERAL #7 B H FRAC #1 H. PUTNAM 12-11-4171 H. PUTNAM 21-11-4171 H. PUTNAM 32-11-4171 PORK S FED 34-11-41-71 PORK S FED 43-11-41-71 SIOUX RANCH FEDERAL 21-11-4172 CA BLENHEIM CS FEDERAL #2 BLENHEIM CS FEDERAL #3 PORK S FED 12-12-4171 PORK S FED 23-12-4171 NARC - SW 12

Status
GST GST GST UNA GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST GSI GSI GSI GSI GSI GSI GST GSI GSI GSI GSI GSI GSI GST GST GST GST GST GSE GSI GSI GST GST UNA

Uses
CBM,RES CBM,RES CBM,RES STO,MIS CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM,MIS STO,CBM STO,CBM STO,CBM CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS MIS CBM CBM CBM CBM CBM CBM CBM,MIS CBM,MIS STO,CBM STO,CBM STO

Static WL
415 393 455 110

T.D.
508 518 567 780

512 379 371

623 503 486

423

533

250 443 472 468 344 427

396 533 501 481 439 492

455 441

490 483

Draft EIS, Wright Area Coal Lease Applications

S5-25

Supplementary Information on the Affected Environment Table S5-4. Groundwater Rights for the North Porcupine LBA Tract (Continued).
Permit
P67807W P171868W 40/7/421W P149569W P177329W P162909W P44331W P171839W P171840W 41/1/136W P151106W P151107W P156944W P147637W P151108W P147635W P147636W P152881W P155721W P171842W P150123W P150118W P150116W P150117W P150119W P150120W P150121W P150122W P159431W P159432W P143916W P143920W P143904W P143908W P171810W P171811W P171812W

Priority
6/27/1984 11/10/2005 10/29/2007 2/4/2003 9/11/2006 9/21/2004 7/20/1978 9/7/2005 9/7/2005 6/16/2008 4/28/2003 4/28/2003 3/8/2004 10/4/2002 4/28/2003 10/4/2002 10/4/2002 7/25/2003 11/13/2003 9/7/2005 3/14/2003 3/14/2003 3/14/2003 3/14/2003 3/14/2003 3/14/2003 3/14/2003 3/14/2003 5/12/2004 5/12/2004 3/28/2002 3/28/2002 3/28/2002 3/28/2002 8/18/2005 8/18/2005 8/18/2005

T
41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
13 13 14 14 14 14 14 14 14 15 15 15 15 15 15 15 15 15 15 15 16 16 16 16 16 16 16 16 17 17 17 17 17 17 17 17 17

QQ
NWNW SWSW SWSE SWNW SWNW SWSE SESE NESW SWSW SWSE NENW SWNE NESW SWSE NENE SWNW SWSW NWSW SWSE NESE NESE NENW SWNW SWSW NESW SWNE SWSE NENE SWNE NENE NENE NENE SWNE SWNE NENW SWNW NESE

Applicant
USA USDA FOREST SERVICE YATES PETROLEUM CORP Lance Oil & Gas Co. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. LANCE OIL AND GAS COMPANY USDA FOREST SERVICE YATES PETROLEUM CORP YATES PETROLEUM CORP Lance Oil & Gas LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. LANCE OIL AND GAS COMPANY WILLIAMS PRODUCTION RMT COMPANY WILLIAMS PRODUCTION RMT COMPANY WILLIAMS PRODUCTION RMT COMPANY YATES PETROLEUM CORP. LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS ** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS ** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS ** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS ** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS ** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS ** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS ** LANCE OIL & GAS COMPANY, INC COLEMAN OIL & GAS, INC. ** JERRY J. AND THE BRIDLE BIT RANCH COMPANY DILTS COLEMAN OIL & GAS, INC. ** JERRY J. AND THE BRIDLE BIT RANCH COMPANY DILTS REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. ** WY STATE BOARD OF LAND COMMISSIONERS REDSTONE RESOURCES INC. ** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP.

Facility Name
WILKINSON SPRING #T B 39 GEEBEE CS FEDERAL #1 ANTELOPE COAL FED 34-14-4171CA BRIDLE BIT RANCH 12-14-4171 BRIDLE BIT RANCH 12-14-4171 ANTELOPE COAL FEDERAL 34-14-4171 WY MARG #6 GEEBEE CS FEDERAL #2 GEEBEE CS FEDERAL #3 BRIDLE BIT RANCH STA 34-15-4171 BRIDLE BIT FEDERAL 21-15-4171 ANTELOPE COAL FEDERAL 32-15-4171 MATHESON 23-15-4171 BRIDLE BIT RANCH 34-15-4171 BRIDLE BIT FEDERAL 41-15-4171 BRIDLE BIT RANCH 12-15-4171 BRIDLE BIT RANCH 14-15-4171 ANTELOPE COAL 13-15-4171 BRIDLE BIT RANCH 34-15-4171 GLOSTER CS FEDERAL #9 STATE 43-16-4171 STATE 21-16-4171 STATE 12-16-4171 STATE 14-16-4171 STATE 23-16-4171 STATE 32-16-4171 STATE 34-16-4171 STATE 41-16-4171 BRIDLE BIT FEDERAL #32-17 BRIDLE BIT FEDERAL #41-17 FEDERAL 41LW-1711 FEDERAL 41UW-1711 FEDERAL 32LW-1711 FEDERAL 32UW-1711 BEARCAT CS FEDERAL #7 BEARCAT CS FEDERAL #8 BEARCAT CS FEDERAL #9

Status
GST GSI UNA GSE GSI GSI GST GSI GSI UNA GST GST GSI GST GST GST GSI GSI GSI GSI GST GSI GST GST GST GST GST GST GST GST GSI GSI GSI GSI GSI GSI GSI

Uses
STO CBM,MIS CBM STO,CBM CBM CBM STO CBM,MIS CBM,MIS CBM STO,CBM STO,CBM CBM CBM STO,CBM CBM CBM STO,CBM STO,CBM CBM,MIS STO,CBM STO,CBM STO,CBM STO,CBM CBM STO,CBM STO,CBM STO,CBM CBM,RES CBM,RES CBM CBM CBM CBM CBM,MIS CBM,MIS CBM,MIS

Static WL
8

T.D.
8

100

605

255 248 205 334 235

365 355 286 430 310

320.05 329.15 426.26 473.15 423.8 304.95 340.2 268.55 471 425

428 437 534 582 571 415 451 0 577 560

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S5-4. Groundwater Rights for the North Porcupine LBA Tract (Continued).
Permit
P171845W P171846W P171844W P159436W P125697W P159435W P159433W P159434W P163491W P171405W P171406W P171407W P143905W P143909W P143912W P143914W P143917W P143921W P143924W P143926W P5855P P67794W P169383W P8985P P29743W P8975P

Priority
9/7/2005 9/7/2005 9/7/2005 5/12/2004 5/16/2000 5/12/2004 5/12/2004 5/12/2004 10/29/2004 11/4/2005 11/4/2005 11/4/2005 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 12/31/1930 6/26/1984 8/9/2005 7/30/1966 5/7/1975 8/10/1965

T
41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 42 42 42 42 42 42

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 69 69 69 69 69 69

S
17 17 17 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 7 7 18 29 31 31

QQ
SWSW SWSE NESW NESE SENE NENE SWNE SWSE SWNW SWSW NENW NESW SWNE SWNE SWSE SWSE NENE NENE NESE NESE NWNW NENE SENW NWNW SWSW NESE

Applicant
YATES PETROLEUM ** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM ** WY STATE BOARD OF LAND COMMISSIONERS

Facility Name
BEARCAT CS FEDERAL #11 BEARCAT CS FEDERAL #12 BEARCAT CS FEDERAL #10 ISENBERGER FEDERAL #43-18 FEDERAL #42-18 ISENBERGER FEDERAL #41-18 ISENBERGER FEDERAL #32-18 ISENBERGER FEDERAL #34-18 LITTON 12-18-4171 LITTON 14-18-4171 LITTON 21-18-4171 LITTON 23-18-4171 FEDERAL 32LW-1811 FEDERAL 32UW-1811 FEDERAL 34LW-1811 FEDERAL 34UW-1811 FEDERAL 41LW-1811 FEDERAL 41UW-1811 FEDERAL 43LW-1811 FEDERAL 43UW-1811 HEARTSPEAR 1 RENO SPRING #T B 13 TRACY #7 TECKLA #T B 112 TURNER #T. B. 190 TECKLA #T B 101

Status
GSI GSI GSI GSI GST GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GST GST GSI GST GST GST

Uses
CBM,MIS CBM,MIS CBM,MIS CBM,RES CBM CBM,RES CBM,RES CBM,RES CBM CBM,MIS CBM,MIS CBM,MIS CBM CBM CBM CBM CBM CBM CBM CBM DOM,STO STO STO STO STO STO

Static WL

T.D.

P111939W P5858P P5859P P157822W P157823W P5865P P171761W P171649W P171650W P78847W P171648W P8894W P54783W P8951P P157824W P157825W

4/1/1998 6/8/1962 12/31/1970 4/9/2004 4/9/2004 8/31/1966 4/5/2005 2/14/2005 2/14/2005 1/3/1989 2/14/2005 4/23/1971 11/20/1980 3/20/1961 4/9/2004 4/9/2004

42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70

2 2 6 7 7 7 7 7 7 8 9 11 11 15 16 16

SESE SWSW SWSW SWNW NENW SENE NESE NESW SWSW SESE SWNW SWNE NWNW SWSW SWNW SWSW

COLEMAN OIL & GAS, INC. COLEMAN OIL & GAS, INC. COLEMAN OIL & GAS, INC. COLEMAN OIL & GAS, INC. ** PATRICIA LITTON COLEMAN OIL & GAS, INC. ** PATRICIA LITTON LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. RENO LIVESTOCK CORPORATION USA USDA FOREST SERVICE DAN, JOYCE, MARC & TAMALA TRACY USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE NORTH AMERICAN LAND & LIVESTOCK LLC/TWO ELK GENERATION PARTNERS, LIMITED GRASS 1 PARTNERSHIP RENO LIVESTOCK CORPORATION HEARTSPEAR 4 RENO LIVESTOCK CORPORATION HEARTSPEAR 5 BILL BARRETT CORPORATION TRITON COAL 12-7-4270 BILL BARRETT CORPORATION TRITON COAL 21-7-4270 RENO LIVESTOCK CORPORATION ** NAN HEARTSPEAR 11 HENDERSON YATES PETROLEUM CORP. THUNDER BASIN CS FEDERAL #02 YATES PETROLEUM CORP. THUNDER BASIN CS FEDERAL #04 YATES PETROLEUM CORP. THUNDER BASIN CS FEDERAL #06 USDA FOREST SERVICE TB 259 YATES PETROLEUM CORP. ENOLA CS FEDERAL #02 RENO LIVESTOCK CORPORATION HEARTSPEAR 19 SHELL OIL COMPANY USDA FOREST SERVICE RENO #T B 52 BILL BARRETT CORPORATION ** WY STATE BOARD STATE 12-16-4270 OF LAND COMMISSIONERS BILL BARRETT CORPORATION ** WY STATE BOARD OF LAND COMMISSIONERS STATE 14-16-4270

300 543 498 443

631 662 588 516

-1 8 34 230 70

120 8 60 440 107

GSE GST GST GSI GSI GST GSE GST GST GST GSE ADJ GST GST GSI GSI

IND STO STO CBM CBM STO CBM,MIS STO,CBM,MIS STO,CBM,MIS STO STO,CBM,MIS STO MON STO CBM CBM

120 -1

255 -1

25 432 478

75 442 485

35 147.9 290

80 335 435

Draft EIS, Wright Area Coal Lease Applications

S5-27

Supplementary Information on the Affected Environment Table S5-4. Groundwater Rights for the North Porcupine LBA Tract (Continued).
Permit
P116249W P116821W P116822W P116248W P162370W P162371W P162372W P160417W P160418W P160419W P160420W P8981P P171651W P171762W P160177W P157826W P157827W P160421W P160422W P160423W P162373W P25605P P160424W P160425W P160426W P160427W P160428W P160429W P162367W P162368W P162369W P40092W P40093W P42620W P67797W P12746P P8960P P39795W P40091W P42628W P42629W P42632W P161772W P161773W

Priority
6/4/1999 7/8/1999 7/8/1999 6/4/1999 9/10/2004 9/10/2004 9/10/2004 7/2/2004 7/2/2004 7/2/2004 7/2/2004 8/2/1966 2/14/2005 4/5/2005 6/14/2004 4/9/2004 4/9/2004 7/2/2004 7/2/2004 7/2/2004 9/10/2004 1/14/1974 7/2/2004 7/2/2004 7/2/2004 7/2/2004 7/2/2004 7/2/2004 9/10/2004 9/10/2004 9/10/2004 8/22/1977 8/22/1977 3/10/1978 6/26/1984 12/30/1950 7/31/1964 7/29/1977 8/22/1977 3/10/1978 3/10/1978 3/10/1978 8/26/2004 8/26/2004

T
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70

S
16 16 16 16 17 17 17 17 17 18 18 18 18 18 18 19 19 19 19 19 19 19 20 20 20 20 20 20 21 21 21 21 21 21 23 25 26 27 27 27 27 27 29 29

QQ
NWNE NENE SWNE SENE SWNE SWSE NESE SWNW NESW NESW NESE NWSE SWNE NENE NENW NESW SWNE SWSW NENW NESE NENE NESW SWNW SWSW NENW NESW SWSE NENE SWNW SWSW NESW SWSE SWSE SESE NESE NESW SWSW NWNE SESE SWSE SWSW SESE SWNW NENW

Applicant
MANX OIL CORPORATION ** WY STATE BOARD OF LAND COMMISSIONERS MANX OIL CORPORATION ** WY STATE BOARD OF LAND COMMISSIONERS MANX OIL CORPORATION ** WY STATE BOARD OF LAND COMMISSIONERS WY STATE BOARD OF LAND COMMISSIONERS ** INDEPENDENT PRODUCTION COMPANY, INC. BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION USDA FOREST SERVICE YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION PAUL & EDITH RUTH WILKINSON BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USA USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC

Facility Name
BRADLEY CBM #16-2-1 BRADLEY CBM #16-1-1 BRADLEY CBM #16-2-2 BRADLEY CBM #16-1-2 PORK NE FEDERAL 32-17-4270 PORK NE FEDERAL 34-17-4270 PORK NE FEDERAL 43-17-4270 PORK NE FEDERAL 12-17-4270 PORK NE FEDERAL 23-17-4270 PORK NE FEDERAL 23-18-4270 PORK NE FEDERAL 43-18-4270 WILKINSON #T B 107 THUNDER BASIN CS FEDERAL #15 THUNDER BASIN CS FEDERAL #10 THUNDER BASIN CS FEDERAL #12 PRCC 23-19-4270 PRCC 32-19-4270 PORK NE FEDERAL 14-19-4270 PORK NE FEDERAL 21-19-4270 PORK NE FEDERAL 43-19-4270 PORK NE FEDERAL 41-19-4270 WILKINSON #1 PORK NE FEDERAL 12-20-4270 PORK NE FEDERAL 14-20-4270 PORK NE FEDERAL 21-20-4270 PORK NE FEDERAL 23-20-4270 PORK NE FEDERAL 34-20-4270 PORK NE FEDERAL 41-20-4270 PORK NE FEDERAL 12-21-4270 PORK NE FEDERAL 14-21-4270 PORK NE FEDERAL 23-21-4270 SEAM MONITORING WELL #1-D SEAM MONITORING WELL #1-F SEAM MONITOR WELL #23 RENO SPRING #T B 17 EDWARDS #TB 32 EDWARDS #T B 84 FOREST SERVICE MONITOR WELL #1 SEAM MONITORING WELL #1-B SEAM MONITOR WELL #31 SEAM MONITOR WELL #32 SEAM MONITOR WELL #35 PORK NE FED 12-29-42-70 PORK NE FED 21-29-42-70

Status
GSE GSE GSE GST GSI GSI GSI GST GST GST GST GST GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI

Uses
STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO STO,CBM,MIS CBM,MIS CBM,RES,STO CBM CBM STO,CBM STO,CBM STO,CBM STO,CBM DOM,STO STO,CBM STO,CBM STO,CBM CBM STO,CBM CBM STO,CBM STO,CBM STO,CBM MON MON MON STO STO STO MON MON MON MON MON CBM,MIS CBM,MIS

Static WL

T.D.

250

341

421 452 446 441 96

502 520 492 500 110

473 383 390 397 418 409 410 3 420 401 430 414 192 439 466 423 447 162 175 -1 6 -1 -1 -1 -1 -1 -1 -1

494 465 451 467 492 476 490 12 486 450 480 455 443 500 527 436 523 255 200 200 8 98 464 165 165 200 200 35

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S5-4. Groundwater Rights for the North Porcupine LBA Tract (Continued).
Permit
P161774W P161775W P138035W P138036W P139209W P139210W P40094W P40096W P40098W P40099W P40100W P40101W P40102W P42622W P42624W P42625W P42626W P42627W P42630W

Priority
8/26/2004 8/26/2004 8/15/2001 8/15/2001 8/21/2001 8/21/2001 8/22/1977 8/22/1977 8/22/1977 8/22/1977 8/22/1977 8/22/1977 8/22/1977 3/10/1978 3/10/1978 3/10/1978 3/10/1978 3/10/1978 3/10/1978

T
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70

S
29 30 30 30 30 30 33 33 33 33 33 33 33 33 33 33 33 33 33

QQ
NENE NENE SWNW NENW SENW NWNW SESW SWNE SENE SESE SWNE SENW SENW SESW SESW SWNE SESW SWSE SESW

Applicant
CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC PEABODY NATURAL GAS, LLC ** WY STATE BOARD OF LAND COMMISSIONERS PEABODY NATURAL GAS, LLC ** WY STATE BOARD OF LAND COMMISSIONERS PEABODY NATURAL GAS, LLC ** WY STATE BOARD OF LAND COMMISSIONERS PEABODY NATURAL GAS, LLC ** WY STATE BOARD OF LAND COMMISSIONERS USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE NORTH AMERICAN LAND & LIVESTOCK LLC/TWO ELK GENERATION PARTNERS, LIMITED PARTNERSHIP USDA FOREST SERVICE WY STATE BOARD OF LAND COMMISSIONERS ** YATES PETROLEUM CORPORATION WYO BOARD OF LAND COMMISSIONERS ** DANIEL/JOYCE TRACY ** MARC/TAMALA TRACY YATES PETROLEUM CORP. ** WY STATE BOARD OF LAND COMMISSIONERS US FOREST SERVICE THUNDER BASIN NATIONAL GRASSLANDS ** LANCE OIL & GAS COMPANY, INC US FOREST SERVICE THUNDER BASIN NATIONAL GRASSLANDS ** LANCE OIL & GAS COMPANY, INC US FOREST SERVICE THUNDER BASIN NATIONAL GRASSLANDS ** LANCE OIL & GAS COMPANY, INC US FOREST SERVICE THUNDER BASIN NATIONAL GRASSLANDS ** LANCE OIL & GAS COMPANY, INC USDA FOREST SERVICE USDA FOREST SERVICE BRIDLE BIT RANCH CO. COLEMAN OIL & GAS, INC. ** JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH COLEMAN OIL & GAS, INC. ** JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH COLEMAN OIL & GAS, INC. ** JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH

Facility Name
PORK NE FED 41-29-42-70 PORK NE FED 41-30-42-70 VEG STATE # 12-30 VEG STATE # 21-30 VEG FEDERAL # 22-30 VEG FEDERAL #11-30 SEAM MONITORING WELL #1-H SEAM MONITORING WELL #2-J SEAM MONITORING WELL #2-L SEAM MONTORING WELL #3-M SEAM MONITORING WELL #3-N SEAM MONITORING WELL #3 D SEAM MONITORING WELL #3-P SEAM MONITOR WELL #25 SEAM MONITORING WELL #27 SEAM MONITOR WELL #28 SEAM MONITOR WELL #29 SEAM MONITOR WELL #30 SEAM MONITOR WELL #33

Status
GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST

Uses
CBM,MIS CBM,MIS CBM CBM CBM CBM MON MON MON MON MON MON MON MON MON MON MON MON MON

Static WL

T.D.

316 309 280 300 53 -1 -1 -1 -1 -1 46 -1 -1 -1 -1 -1 -1

405 424 379 420 80 50 50 220 260 260 80 220 80 160 264 255 80

P111943W P40095W P129220W P102631W P132836W P146425W P146426W P146427W P146428W P12757P P44327W P101801W P145445W P145446W P145447W

4/1/1998 8/22/1977 7/3/2000 6/6/1996 2/26/2001 8/5/2002 8/5/2002 8/5/2002 8/5/2002 12/30/1950 7/20/1978 3/20/1996 7/10/2002 7/10/2002 7/10/2002

42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

70 70 70 70 70 71 71 71 71 71 71 71 71 71 71

34 34 36 36 36 2 2 2 2 2 2 3 3 3 3

NWNE NENE SENW SWSW NENE SWNW SWSW NENW NESW NENW NWSW NESW SWNW SWSW NENW

Grass 5 SEAM MONITORING WELL #2-1 SCHOOL CREEK CS STATE #1 JACK'S GAMBLE #1 SCHOOL CREEK CS STATE #2 PORCUPINE FEDERAL #12-2 PORCUPINE FEDERAL #14-2 PORCUPINE FEDERAL #21-2 PORCUPINE FEDERAL #23-2 REVLAND #TB 35 MARG #2 BBRC BLACK BUTTE #1 BRIDLE BIT RANCH #3-12 BRIDLE BIT RANCH #3-14 BRIDLE BIT RANCH #3-21

GSE GST GSE GST GSE GSI GSI GSI GSI GST GST GST GST GST GST

IND MON CBM STO STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO STO STO STO,CBM,RES STO,CBM STO,CBM

121

160

220

760

-1 117 80 494 463 427

165 373 264 638 615 541

Draft EIS, Wright Area Coal Lease Applications

S5-29

Supplementary Information on the Affected Environment Table S5-4. Groundwater Rights for the North Porcupine LBA Tract (Continued).
Permit
P145448W P150791W P150797W P150801W P150808W P145115W P145116W P145117W P145118W P145119W P145120W P145121W P145144W P163380W P163381W P163382W P163383W P163384W P163385W P163386W P164544W P145122W P145123W P164545W P150788W P163387W P150784W P150792W P150798W P150802W P78879W P150804W P123478W P123480W P153916W P150946W P150943W P150944W P150945W P150947W P150948W P150949W P123474W P123475W P123476W P123477W P123479W

Priority
7/10/2002 4/4/2003 4/4/2003 4/4/2003 4/4/2003 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 12/20/2004 5/20/2002 5/20/2002 12/20/2004 4/4/2003 10/19/2004 4/4/2003 4/4/2003 4/4/2003 4/4/2003 1/23/1989 4/4/2003 2/22/2000 2/22/2000 8/25/2003 4/18/2003 4/18/2003 4/18/2003 4/18/2003 4/18/2003 4/18/2003 4/18/2003 2/22/2000 2/22/2000 2/22/2000 2/22/2000 2/22/2000

T
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7

QQ
NESW SWNE SWSE NENE NESE SWSW NENW NESW SWNE SWSE NENE NESE SWNW SWNW SWSW NENW NESW SWNE SWSE NENE NESE NESW NESE NESW NENW NESE SWNW SWNE SWSE NENE SWSW NENE NESW SWSW NESE NWSW SWSE NWSE SESW SWNW NWNW SWNE SWNE NWNW SWNW SENW NWSW

Applicant
COLEMAN OIL & GAS, INC. ** JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH MERIT ENERGY COMPANY ** JERRY DILTS MERIT ENERGY COMPANY ** JERRY DILTS MERIT ENERGY COMPANY ** JERRY DILTS MERIT ENERGY COMPANY ** JERRY DILTS MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY ** JERRY DILTS MERIT ENERGY COMPANY ** JERRY DILTS MERIT ENERGY COMPANY ** JERRY DILTS MERIT ENERGY COMPANY ** JERRY DILTS BRIDLE BIT RANCH CO. MERIT ENERGY COMPANY ** JERRY DILTS PETRO-CANADA RESOURCES (INC) PETRO-CANADA RESOURCES (INC) PETRO-CANADA RESOURCES (INC) PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL/GAS COMPANY PRIMA OIL/GAS COMPANY PRIMA OIL/GAS COMPANY PRIMA OIL/GAS COMPANY PRIMA OIL/GAS COMPANY

Facility Name
BRIDLE BIT RANCH #3-23 PORCUPINE CBM 32-3-4271 PORCUPINE CBM 32-3-4271 PORCUPINE CBM 41-3-4271 PORCUPINE CBM 43-3-4271 PORCUPINE FEDERAL #14-4-4271 PORCUPINE FEDERAL #21-4-4271 PORCUPINE FEDERAL #23-4-4271 PORCUPINE FEDERAL #32-4-4271 PORCUPINE FEDERAL #34-4-4271 PORCUPINE FEDERAL #41-4-4271 PORCUPINE FEDERAL #43-4-4271 PORCUPINE FEDERAL #12-4-4271 PORCUPINE FED 12-04-4271 PORCUPINE FED 14-04-4271 PORCUPINE FED 21-04-4271 PORCUPINE FED 23-04-4271 PORCUPINE FED 32-04-4271 PORCUPINE FED 34-04-4271 PORCUPINE FED 41-04-4271 PORCUPINE FEDERAL 43-04-4271 PORCUPINE FEDERAL #23-5-4271 PORCUPINE FEDERAL #43-5-4271 PORCUPINE FED 23-05-4271 PORCUPINE CBM 21-5-4271 PORCUPINE FED 43-05-4271 PORCUPINE CBM 12-5-4271 PORCUPINE CBM 32-5-4271 PORCUPINE CBM 34-5-4271 PORCUPINE CBM 41-5-4271 BRIDLE BIT RANCH #3H PORCUPINE CBM 41-7-4271 PORCUPINE-TUIT #7-31 PORCUPINE-TUIT #7-33 DILTS 4271-7-41UW ENL DILTS 4271-7-32UW ENL DILTS 4271-7-43UW ENL DILTS 4271-7-42UW ENL DILTS 4271-7-34UW ENL DILTS 4271-7-23UW ENL DILTS 4271-7-22UW. ENL DILTS 4271-7-13UW. DILTS 4271-7-13UW DILTS 4271-7-22 UW DILTS 4271-7-23 UW DILTS 4871-7-24 UW DILTS 4271-7-32 UW

Status
GST GST GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST GST GST GST GST GST GSI GSI GSI GST GST GST GST GST GST GST GSI GSE GSE GSE GSDT GST GST GST GST GST GST GST GST GST GST GST

Uses
STO,CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM DOM CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM

Static WL
450 400 574 460 530

T.D.
584 555 580 500 584

678 600 648 636 710 615 689 657

689 629 673 652.5 719 640.75 708 683

700 629 680 650 560 680 320

749 649 718 670 598 77 730

350 350 379 343 345 347 359 359 347 345 292 350

598 594 607 609 583 618 582 582 618 583 580 598

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S5-4. Groundwater Rights for the North Porcupine LBA Tract (Continued).
Permit
P123481W P123482W P123483W P145124W P145125W P145126W P160710W P160711W P161326W P150809W P150785W P150787W P150794W P150805W P145127W P145128W P145129W P145130W P145131W P145132W P145133W P145134W P163388W P163389W P163390W P163391W P163392W P163393W P163394W P163395W P98861W P149557W P150786W P150795W P150789W P150800W P150806W P150810W P149566W P160430W P160431W P145110W P145111W P145112W P145113W

Priority
2/22/2000 2/22/2000 2/22/2000 5/20/2002 5/20/2002 5/20/2002 7/2/2004 7/2/2004 8/3/2004 4/4/2003 4/4/2003 4/4/2003 4/4/2003 4/4/2003 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 5/20/2002 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 10/19/2004 4/21/1995 1/13/2003 4/4/2003 4/4/2003 4/4/2003 4/4/2003 4/4/2003 4/4/2003 1/13/2003 7/2/2004 7/2/2004 5/20/2002 5/20/2002 5/20/2002 5/20/2002

T
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
7 7 7 8 8 8 8 8 8 8 8 8 8 8 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 10 10 10 10 10 10 10 10 10 11 11 11 11 11 11

QQ
SESW NWSE SWSE NENW NESW SWSE NENW NESW SWSE NESE SWNW SWSW SWNE NENE SWNW SWSW NENW NESW SWNE SWSE NENE NESE SWNW SWSW NENW NESW SWNE SWSE NENE NESE NWNE NESW SWNW SWNE NENW SWSE NENE NESE SWSW SWNE NENE SWNE NENW SWNW NENE

Applicant
PRIMA OIL/GAS COMPANY PRIMA OIL/GAS COMPANY PRIMA OIL/GAS COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY ** JERRY DILTS MERIT ENERGY COMPANY ** JERRY DILTS MERIT ENERGY COMPANY ** JERRY DILTS MERIT ENERGY COMPANY ** JERRY DILTS MERIT ENERGY COMPANY ** JERRY DILTS MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY JERRY DILTS MERIT ENERGY CO. ** WYO STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE BOARD OF LAND COMMISSIONERS MERIT ENERGY COMPANY ** JERRY DILTS MERIT ENERGY COMPANY ** JERRY DILTS MERIT ENERGY COMPANY ** JERRY DILTS MERIT ENERGY COMPANY ** JERRY DILTS MERIT ENERGY COMPANY ** JERRY DILTS WY STATE BOARD OF LAND COMMISSIONERS ** MERIT ENERGY COMPANY BILL BARRETT CORPORATION BILL BARRETT CORPORATION MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY

Facility Name
DILTS 4271-7-34 UW DILTS 4271-7-42 UW DILTS 4271-7-43 UW PORCUPINE FEDERAL #21-8-4271 PORCUPINE FEDERAL #23-8-4271 PORCUPINE FEDERAL #34-8-4271 PORCUPINE FEDERAL 21-8-4271 PORCUPINE FEDERAL 23-8-4271 PORCUPINE FED 34-8-4271 PORCUPINE CBM 43-8-4271 PORCUPINE CBM 12-8-4271 PORCUPINE CBM 14-8-4271 PORCUPINE CBM 32-8-4271 PORCUPINE CBM 41-8-4271 PORCUPINE FEDERAL #12-9-4271 PORCUPINE FEDERAL #14-9-4271 PORCUPINE FEDERAL #21-9-4271 PORCUPINE FEDERAL #23-9-4271 PORCUPINE FEDERAL #32-9-4271 PORCUPINE FEDERAL #34-9-4271 PORCUPINE FEDERAL #41-9-4271 PORCUPINE FEDERAL #43-9-4271 PORCUPINE FED 12-09-4271 PORCUPINE FED 14-09-4271 PORCUPINE FED 21-09-4271 PORCUPINE FED 23-09-4271 PORCUPINE FED 32-09-4271 PORCUPINE FED 34-09-4271 PORCUPINE FED 41-09-4271 PORCUPINE FED 43-09-4271 BBRC BIRDSALL #1 PORCUPINE CBM 23-10-4271 PORCUPINE PORCUPINE PORCUPINE PORCUPINE PORCUPINE PORCUPINE CBM CBM CBM CBM CBM CBM 12-10-4271 32-10-4271 21-10-4271 34-10-4271 41-10-4271 43-10-4271

Status
GST GST GST GSI GSI GSI GSI GSI GSI GSI GST GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST GST GST GST GST GST GST GSI GST GSI GST GST GST GST GST GST GST GSI GSI GSI GSI

Uses
STO,CBM STO,CBM STO,CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO CBM CBM CBM CBM CBM CBM CBM CBM CBM,MIS CBM,MIS CBM CBM CBM CBM

Static WL
343 379 350

T.D.
609 607 594

545 500 546 600

588 624 594 651

631 585 557 593 549 554 584 510 120

646 608 588 628 563 571 600 539 380

490 500 480 540 490 520 550 526

528 553 511 581 520 561 610 610

PORCUPINE CBM 14-10-4271 PORK NW FEDERAL 32-11-4271 PORK NW FEDERAL 41-11-4271 PORCUPINE FEDERAL #32-11-4271 PORCUPINE FEDERAL #21-11-4271 PORCUPINE FEDERAL #12-11-4271 PORCUPINE FEDERAL #41-11-4271

Draft EIS, Wright Area Coal Lease Applications

S5-31

Supplementary Information on the Affected Environment Table S5-4. Groundwater Rights for the North Porcupine LBA Tract (Continued).
Permit
P161328W P164546W P164547W P145102W P145107W P145108W P145109W P161327W P161329W P161330W P32145W P160432W P160433W P160434W P160435W P145105W P145106W P8987P P162377W P160436W P160437W P160438W P162374W P162375W P12755P P171779W P160439W P160442W P160440W P160441W P149562W P149563W P149564W P149565W

Priority
8/3/2004 12/20/2004 12/20/2004 5/20/2002 5/20/2002 5/20/2002 5/20/2002 8/3/2004 8/3/2004 8/3/2004 2/10/1976 7/2/2004 7/2/2004 7/2/2004 7/2/2004 5/20/2002 5/20/2002 7/13/1961 9/10/2004 7/2/2004 7/2/2004 7/2/2004 9/10/2004 9/10/2004 12/30/1950 10/3/2005 7/2/2004 7/2/2004 7/2/2004 7/2/2004 1/13/2003 1/13/2003 1/13/2003 1/13/2003

T
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
11 11 11 11 11 11 11 11 11 11 11 12 12 12 12 12 12 12 13 13 13 13 13 13 13 13 14 14 14 14 14 14 14 14

QQ
NESW SWNW NENW SWSW NESE SWSE NESW SWSW SWSE NESE SWNE SWNW NENW SWNE NENE SWSW SWNW SESE NENW NESW SWSE NESE SWSW SWNE SWSW NENE SWSW NESE NESW SWSE NENE SWNE NENW SWNW

Applicant

Facility Name

Status
GST GST GST GSI GSI GSI GSI GSI GST GST GST GST GST GST GST GSI GSI GST GSI GST GST GST GST GST GST GSI GST GST GST GST GSI GSI GSI GST

Uses
CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM CBM STO STO,CBM CBM,MIS CBM,MIS CBM,MIS STO,CBM STO,CBM STO CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM CBM CBM CBM

Static WL
584 563 560

T.D.
597 579 572

MERIT ENERGY COMPANY PORCUPINE FED 23-11-4271 MERIT ENERGY COMPANY PORCUPINE FED 12-11-4271 MERIT ENERGY COMPANY PORCUPINE FED 21-11-4271 MERIT ENERGY COMPANY ** WY STATE BOARD OF PORCUPINE FEDERAL #14-11-4271 LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE BOARD OF LAND COMMISSIONERS PORCUPINE FEDERAL #43-11-4271 MERIT ENERGY COMPANY ** WY STATE BOARD OF PORCUPINE FEDERAL #34-11-4271 LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE BOARD OF LAND COMMISSIONERS PORCUPINE FEDERAL #23-11-4271 MERIT ENERGY COMPANY ** WY STATE BOARD OF PORCUPINE FED 14-11-4271 LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE BOARD OF LAND COMMISSIONERS PORCUPINE FED 34-11-4271 MERIT ENERGY COMPANY ** WY STATE BOARD OF PORCUPINE FED 43-11-4271 LAND COMMISSIONERS USDA FOREST SERVICE STUART #T.B. 174 BILL BARRETT CORPORATION PORK NW FEDERAL 12-12-4271 BILL BARRETT CORPORATION PORK NW FEDERAL 21-12-4271 BILL BARRETT CORPORATION PORK NW FEDERAL 32-12-4271 BILL BARRETT CORPORATION PORK NW FEDERAL 41-12-4271 MERIT ENERGY COMPANY ** WY STATE BOARD OF PORCUPINE FEDERAL #14-15-4271 LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE BOARD OF LAND COMMISSIONERS PORCUPINE FEDERAL #12-15-4271 USDA FOREST SERVICE STUART #T B 115 BILL BARRETT CORPORATION PORK NW FEDERAL 21-13-4271 BILL BARRETT CORPORATION PORK NW FEDERAL 23-13-4271 BILL BARRETT CORPORATION PORK NW FEDERAL 34-13-4271 BILL BARRETT CORPORATION PORK NW FEDERAL 43-13-4271 BILL BARRETT CORPORATION PORK NW FEDERAL 14-13-4271 BILL BARRETT CORPORATION PORK NW FEDERAL 32-13-4271 USDA FOREST SERVICE STUART #TB 36 YATES PETROLEUM CORP THUNDER BASIN CS FEDERAL #17 BILL BARRETT CORPORATION PORK NW FEDERAL 14-14-4271 BILL BARRETT CORPORATION PORK NW FEDERAL 43-14-4271 BILL BARRETT CORPORATION ** WY STATE BOARD OF LAND COMMISSIONERS PORK NW FEDERAL 23-14-4271 BILL BARRETT CORPORATION ** WY STATE BOARD PORK NW FEDERAL 34-14-4271 OF LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE BOARD OF LAND COMMISSIONERS PORCUPINE CBM 41-14-4271 MERIT ENERGY COMPANY ** WY STATE BOARD OF PORCUPINE CBM 32-14-4271 LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE BOARD OF LAND COMMISSIONERS PORCUPINE CBM 21-14-4271 MERIT ENERGY COMPANY ** WY STATE BOARD OF PORCUPINE CBM 12-14-4271 LAND COMMISSIONERS

583 612 120 503 469 481 448

593 625 380 538 532 531 489

100 513 404 452 449 439 496 -1 464 462 480 439

172 569 544 530 527 510 550 121 503 511 517 500

490

525

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S5-4. Groundwater Rights for the North Porcupine LBA Tract (Continued).
Permit
P150790W P150796W P150807W P163396W P163397W P163398W P145103W P145104W P149558W P149559W P149560W P149561W P161331W P135205W P135206W P135207W P135208W P135209W P135210W P135211W P135212W P145135W P145136W P163399W P163400W P123489W P148094W P148095W P148096W P144957W P144958W P144959W

Priority
4/4/2003 4/4/2003 4/4/2003 10/19/2004 10/19/2004 10/19/2004 5/20/2002 5/20/2002 1/13/2003 1/13/2003 1/13/2003 1/13/2003 8/3/2004 5/21/2001 5/21/2001 5/21/2001 5/21/2001 5/21/2001 5/21/2001 5/21/2001 5/21/2001 5/20/2002 5/20/2002 10/19/2004 10/19/2004 2/22/2000 10/28/2002 10/28/2002 10/28/2002 5/14/2002 5/14/2002 5/14/2002

T
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
14 14 14 15 15 15 15 15 15 15 15 15 15 16 16 16 16 16 16 16 16 17 17 17 17 18 18 18 18 18 18 18

QQ
NENW SWNE NENE SWNW NENW NESW NESW NENW NESE NENE SWSE SWNE SWSW NESE NENE SWSE SWNE NESW NENW SWSW SWNW NENW NENE NENW NENE SWNE NENE NESW SWSW NENE NESE SWSW

Applicant
MERIT ENERGY COMPANY ** WY STATE LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE LAND COMMISSIONERS MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY ** WY STATE LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE LAND COMMISSIONERS MERIT ENERGY COMPANY ** WY STATE LAND COMMISSIONERS MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY MERIT ENERGY COMPANY PETRO-CANADA RESOURCES (INC) PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY BOARD OF

Facility Name
PORCUPINE CBM 21-14-4271 BOARD OF PORCUPINE CBM 32-14-4271 BOARD OF PORCUPINE PORCUPINE PORCUPINE PORCUPINE BOARD OF PORCUPINE FEDERAL #23-15-4271 BOARD OF PORCUPINE FEDERAL #21-15-4271 BOARD OF PORCUPINE CBM 43-15-4271 BOARD OF PORCUPINE CBM 41-15-4271 BOARD OF PORCUPINE CBM 34-15-4271 BOARD OF PORCUPINE CBM 32-15-4271 BOARD OF PORCUPINE FED 14-15-4271 BOARD OF STATE CBM 43-16 BOARD OF STATE CBM 41-16 BOARD OF STATE CBM 34-16 BOARD OF STATE CBM 32-16 BOARD OF STATE CBM 23-16 BOARD OF STATE CBM 21-16 BOARD OF STATE CBM 14-16 BOARD OF STATE CBM 12-16 PORCUPINE FEDERAL #21-17-4271 PORCUPINE FEDERAL #41-17-4271 PORCUPINE FED 21-17-4271 PORCUPINE FED 41-17-4271 PORCUPINE-TUIT #18-13 ENL DILTS FED 4271-18-11UW ENL DILTS FED 4271-18-31UW ENL DILTS FED 4271-18-33UW DILTS FED 4271-18-11 UW DILTS FED 4271-18-31 UW DILTS FED 4271-18-33 UW CBM 41-14-4271 FED 12-15-4271 FED 21-15-4271 FED 23-15-4271

Status
GST GST GST GST GST GST GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GST GST GSE GSI GSI GSI GST GST GST

Uses
CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM

Static WL
490 500 500 528 530 551

T.D.
532 545 571 540 548 563

430 400 450 465 536 479 310 312 305 422 271 268 478

530 542 523 525 543 530 554 583 554 554 583 520 556

594 540

608 550

310 422 446

623 577 600

Draft EIS, Wright Area Coal Lease Applications

S5-33

Supplementary Information on the Affected Environment Table S5-4. Groundwater Rights for the North Porcupine LBA Tract (Continued).
Permit
P150934W P150935W P150936W P150937W P150938W P150939W P150940W P123488W P123490W P123491W P123492W P123493W P123494W P123495W P156464W P156465W P148097W P148098W P148099W P148100W P148101W P148102W P144960W P144961W P144962W P144963W P144964W P144999W P12760P P144998W P148103W P148104W P148105W P148106W P144965W P144966W P144967W P144968W P144975W P144976W P144997W P148735W P148736W P148737W P152658W P152659W P153126W

Priority
4/18/2003 4/18/2003 4/18/2003 4/18/2003 4/18/2003 4/18/2003 4/18/2003 2/22/2000 2/22/2000 2/22/2000 2/22/2000 2/22/2000 2/22/2000 2/22/2000 1/20/2004 1/20/2004 10/28/2002 10/28/2002 10/28/2002 10/28/2002 10/28/2002 10/28/2002 5/14/2002 5/14/2002 5/14/2002 5/14/2002 5/14/2002 5/14/2002 12/30/1951 5/14/2002 10/28/2002 10/28/2002 10/28/2002 10/28/2002 5/14/2002 5/14/2002 5/14/2002 5/14/2002 5/14/2002 5/14/2002 5/14/2002 12/24/2002 12/24/2002 12/24/2002 6/23/2003 6/23/2003 7/28/2003

T
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
18 18 18 18 18 18 18 18 18 18 18 18 18 18 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 21 21 21

QQ
SESE NWSE SENW SWNW NWNW NENW NWNE NWNE NENW NWNW SWNW SENW NWSE SESE SWSW NESW NENE SWNE NENW SWNW NESE SWSE SWNE NENW SWNW NESE SWSE NENE NESE SWNE NENW SWNW NESW SWSW NENW SWNW NESW SWSW SWSE NENE NESE SWSE NESE NENE SWNE NENE SWSE

Applicant
PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL/GAS COMPANY PRIMA OIL/GAS COMPANY PRIMA OIL/GAS COMPANY PRIMA OIL/GAS COMPANY PRIMA OIL/GAS COMPANY PRIMA OIL/GAS COMPANY PRIMA OIL/GAS COMPANY BILL BARRETT CORPORATION BILL BARRETT CORPORATION PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY USDA FOREST SERVICE PETRO-CANADA RESOURCES (INC) PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION

Facility Name
ENL DILTS 4271-18-44UW ENL DILTS 4271-18-42UW ENL DILTS 4271-18-24UW ENL DILTS 4271-18-23UW ENL DILTS 4271-18-22UW ENL DILTS 4271-18-21UW ENL DILTS 4271-18-12UW DILTS 4271-18-12 UW DILTS 4271-18-21 UW DILTS 4271-18-22 UW DILTS 4271-18-23 UW PORCUPINE-TUIT #18-24 DILTS 4271-18-42 UW DILTS 4271-18-44 UW FEDERAL 14-19-4271 FEDERAL 23-19-4271 ENL DILTS FED 4271-19-11UW ENL DILTS FED 4271-19-13UW ENL DILTS FED 4271-19-21UW ENL DILTS FED 4271-19-23UW ENL DILTS FED 4271-19-41UW ENL DILTS FED 4271-19-43UW DILTS FED 4271-19-13 UW DILTS FED 4271-19-21 UW DILTS FED 4271-19-23 UW DILTS FED 4271-19-41 UW DILTS FED 4271-19-43 UW DITLS FED 4271-19-11 UW MATHESON #TB 33 CAMPBELL 4271 20-13UW ENL DILTS FED 4271-20-21UW ENL DILTS FED 4271-20-23UW ENL DILTS FED 4271-20-31UW ENL DILTS FED 4271-20-33UW DILTS FED 4271-20-21 UW DILTS FED 4271-20-23 UW DILTS FED 4271-20-31UW DILTS FED 4271-20-33UW PORCUPINE TUIT 20-43 UW PORCUPINE TUIT 20-11 UW PORCUPINE TUIT 20-41UW ENL. CAMPBELL 4271-20-43UW ENL. CAMPBELL 4271-20-41UW ENL. CAMPBELL 4271-20-11UW J DILTS 32-21-4271 J DILTS 41-21-4271 PORK NW FED 34-21-42-71

Status
GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GSI GSI GSI GSI GST GST GST GST GST GST GST GST GSI GSI GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST

Uses
STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM CBM CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM CBM CBM CBM

Static WL
398 300 365 333 353 332 318 318 332 353 333 365 300 398 693 672

T.D.
518 509 557 567 575 550 565 565 550 575 567 557 509 518 723 690

430 407 446 404 647 361 -1 378

623 603 684 606 562 585 175 565

334 371 382 416 378 319 354 378 354 319 484.26 463.9 465

551 576 598 626 585 543 604 585 604 543 510 501 502

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S5-4. Groundwater Rights for the North Porcupine LBA Tract (Continued).
Permit
P149900W P148107W P148108W P144969W P144970W P153131W P153132W P153133W P153134W P153135W P160444W P160445W P160446W P160448W P160447W P160449W P157828W P157829W P162376W P61754W P161760W P161761W P161762W P161763W P146184W P146185W P146187W P146192W P146193W P146186W P146188W P146189W P146190W P146191W P25606P P25608P P5848W P153136W P153137W P153138W P153139W P29746W P152660W P152661W P152662W

Priority
2/21/2003 10/28/2002 10/28/2002 5/14/2002 5/14/2002 7/28/2003 7/28/2003 7/28/2003 7/28/2003 7/28/2003 7/2/2004 7/2/2004 7/2/2004 7/2/2004 7/2/2004 7/2/2004 4/9/2004 4/9/2004 9/10/2004 8/11/1982 8/23/2004 8/23/2004 8/23/2004 8/23/2004 7/19/2002 7/19/2002 7/19/2002 7/19/2002 7/19/2002 7/19/2002 7/19/2002 7/19/2002 7/19/2002 7/19/2002 1/14/1974 1/14/1974 6/16/1970 7/28/2003 7/28/2003 7/28/2003 7/28/2003 5/7/1975 6/23/2003 6/23/2003 6/23/2003

T
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
21 21 21 21 21 22 22 22 22 22 23 23 23 23 23 23 24 24 24 24 25 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 27 27 27 27 27 28 28 28

QQ
SWSW SWNW NESW SWNW NESW NESW SWNE SWSE NENE NESE SWSW NENW NESW NENE SWNE NESE SWNW NENW SWSE NWSE NENE NENW SWNE NENE SENW SESW NWSW SESE SWSE NESW SWNW SWSW NWSE NESE NESE SWNW SWNW SWNW SWSW NENW NESW NENW SWNE SWSE NENE

Applicant
COLEMAN OIL & GAS, INC. ** JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION ** WY STATE BOARD OF LAND COMMISSIONERS BILL BARRETT CORPORATION ** WY STATE BOARD OF LAND COMMISSIONERS BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION USDA FOREST SERVICE CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES, L.C. CONTINENTAL INDUSTRIES, L.C. CONTINENTAL INDUSTRIES, L.C. CONTINENTAL INDUSTRIES, L.C. CONTINENTAL INDUSTRIES, L.C. CONTINENTAL INDUSTRIES, L.C. CONTINENTAL INDUSTRIES, L.C. CONTINENTAL INDUSTRIES, L.C. CONTINENTAL INDUSTRIES, L.C. CONTINENTAL INDUSTRIES, L.C. PAUL & EDITH RUTH WILKINSON PAUL & EDITH RUTH WILKINSON PAUL WILKINSON BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION USDA FOREST SERVICE BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION

Facility Name
BRIDLE BIT RANCH #14-21 ENL CAMPBELL FED 4271-21-23UW ENL CAMPBELL FED 4271-21-31UW CAMPBELL FED 4271-21-23 UW CAMPBELL FED 4271-21-31 UW FEDERAL 23-22-4271 PORK NW FED 32-22-42-71 PORK NW FED 34-22-42-71 PORK NW FED 41-22-42-71 PORK NW FED 43-22-42-71 PORK NW FEDERAL 14-23-4271 PORK NW FEDERAL 21-23-4271 PORK NW FEDERAL 23-23-4271 PORK NW FEDERAL 41-23-4271 PORK NW FEDERAL 32-23-4271 PORK NW FEDERAL 43-23-4271 PRCC 12-24-4271 PRCC 21-24-4271 PORK NW FED 34-24-4271 PCC WILKINSON RANCH #1 PORK NW FED 41-25-42-71 PORK NW FED 21-26-42-71 PORK NW FED 32-26-42-71 PORK NW FED 41-26-42-71 PORK 22-26 PORK 24-26 PORK 13-26 PORK 44-26 PORK 34-26 PORK 23-26 PORK 12-26 PORK 14-26 PORK 33-26 PORK 43-26 WILKINSON #2 WILKINSON #4 MIDDLE PASTURE #1 PORK NW FED 12-27-42-71 PORK NW FED 14-27-42-71 PORK NW FED 21-27-42-71 PORK NW FED 23-27-42-71 WRIGHT #T B 195 J DILTS 32-28-4271 J DILTS 34-28-4271 J DILTS 41-28-4271

Status
GST GSI GSI GST GST GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST

Uses
STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM CBM CBM CBM CBM CBM STO,CBM CBM,MIS STO,CBM STO,CBM CBM,MIS STO,CBM CBM CBM STO,CBM STO CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM DOM,STO STO STO CBM CBM CBM CBM STO CBM CBM CBM

Static WL
375

T.D.
537

323 304 455 412 455 418 407 429 404 434 408 415 441 446 454 56

532 525 507 462 503 467 460 469 449 491 498 460 503 527 520 110

279 302 264 247 270 100 -4 0 428 448 414 413 30 480 494.26 438

402 423 382 363 392 220 110 140 495 489 472 484 175 500 520 502

Draft EIS, Wright Area Coal Lease Applications

S5-35

Supplementary Information on the Affected Environment Table S5-4. Groundwater Rights for the North Porcupine LBA Tract (Continued).
Permit
P152663W P153140W P149899W P149901W P149902W P153141W P153142W P156975W P149903W P149904W P149905W P148112W P148113W P144989W P144990W P151400W P151401W P144994W P148114W P148115W P148116W P148117W P148118W P148440W P144991W P144992W P144993W P144995W P144996W P29747W P150124W P150125W P150127W P161950W P151083W P151084W P151085W P151086W P150126W P153143W P153144W P53195W

Priority
6/23/2003 7/28/2003 2/21/2003 2/21/2003 2/21/2003 7/28/2003 7/28/2003 12/8/2003 2/21/2003 2/21/2003 2/21/2003 10/28/2002 10/28/2002 5/14/2002 5/14/2002 5/19/2003 5/19/2003 5/14/2002 10/28/2002 10/28/2002 10/28/2002 10/28/2002 10/28/2002 12/4/2002 5/14/2002 5/14/2002 5/14/2002 5/14/2002 5/14/2002 5/7/1975 3/14/2003 3/14/2003 3/14/2003 7/22/2004 4/28/2003 4/28/2003 4/28/2003 4/28/2003 3/14/2003 7/28/2003 7/28/2003 8/4/1981

T
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
28 28 28 28 28 29 29 29 29 29 29 29 29 29 29 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 31 31 31 31 31 31 31 31 31 32 32 32

QQ
NESE NENW SWNW SWSW NESW SWSW NESW NENE SWNE SWSE NESE NENW SWNW NENW SWNW NESE SWSE SWNW NENE SWNE NENW SWNW NESW SWSW NENE SWNE NENW NESW SWSW NENW NESW NENW SWNW NENE SWNE SWSE NENE NESE SWSW SWNE NENE NWNW

Applicant
BILL BARRETT CORPORATION BILL BARRETT CORPORATION COLEMAN OIL & GAS, INC. ** JERRY J/BARBARA DILTS & BRIDLE BIT RANCH COLEMAN OIL & GAS, INC. ** JERRY J/BARBARA DILTS & BRIDLE BIT RANCH COMPANY COLEMAN OIL & GAS, INC. ** JERRY J/BARBARA DILTS & BRIDLE BIT RANCH COMPANY BILL BARRETT CORPORATION BILL BARRETT CORPORATION COLEMAN OIL & GAS, INC. COLEMAN OIL & GAS, INC. ** JERRY J/BARBARA DILTS & BRIDLE BIT RANCH COMPANY COLEMAN OIL & GAS, INC. ** JERRY J/BARBARA DILTS & BRIDLE BIT RANCH COMPANY COLEMAN OIL & GAS, INC. ** JERRY J/BARBARA DILTS & BRIDLE BIT RANCH COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PETRO-CANADA RESOURCES (INC) PETRO-CANADA RESOURCES (INC) PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY PRIMA OIL AND GAS COMPANY USDA FOREST SERVICE LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL AND GAS COMPANY BILL BARRETT CORPORATION BILL BARRETT CORPORATION DILTS BROS.

Facility Name
J DILTS 43-28-4271 FEDERAL 21-28-4271 H BRIDLE BIT RANCH #12-28 H BRIDLE BIT RANCH #14-28 H BRIDLE BIT RANCH #23-28 FEDERAL 14-29-4271 FEDERAL 23-29-4271 DILTS #41-29 H BRIDLE BIT RANCH #32-29 H BRIDLE BIT RANCH #34-29 H BRIDLE BIT RANCH #43-29 ENL DILTS FED 4271-29-21UW ENL DILTS FED 4271-29-23UW DILTS FED 4271-29-21 UW DILTS FED 4271-29-23 UW DILTS FED 4271-30-41UW DILTS FED 4271-30-43UW DILTS FED 4271-30-23 UW ENL DILTS FED 4271-30-11UW ENL DILTS FED 4271-30-13UW ENL DILTS FED 4271-30-21UW ENL DILTS FED 4271-30-23UW ENL DILTS FED 4271-30-31UW ENL. DILTS FED 4271-30-33UW DILTS FED 4271-30-11 UW DILTS FED 4271-30-13 UW DILTS FED 4271-30-21 UW DILTS FED 4271-30-31 UW DILTS FED 4271-30-33 UW PEABODY #T B 196 BRIDLE BIT RANCH 23-31-4271 BRIDLE BIT RANCH 21-31-4271 BRIDLE BIT RANCH 12-31-4271 BRITTLE BIT FED41-31-4271 BRIDLE BIT FEDERAL 32-31-4271 BRIDLE BIT FEDERAL 34-31-4271 BRIDLE BIT FEDERAL 41-31-4271 BRIDLE BIT FEDERAL 43-31-4271 BRIDLE BIT RANCH 14-31-4271 PORK NW FED 32-32-42-71 PORK NW FED 41-32-42-71 DILTS BROS. #1

Status
GST GST GST GST GST GST GST GST GST GST GST GSI GSI GST GST GSE GSE GSI GSI GSI GSI GSI GSI GSI GST GST GST GST GST GST GSI GSI GSI GSI GST GST GST GST GST GST GST GST

Uses
CBM CBM STO,CBM STO,CBM STO,CBM CBM CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM STO STO,CBM STO,CBM STO,CBM CBM STO,CBM STO,CBM STO,CBM STO,CBM STO,CBM CBM CBM STO

Static WL
460 503 383 402 366 623.37 583 407 445 460 460

T.D.
480 525 536 574 525 683 611 581 602 631 582

361 372

587 626

337 465 436 450 500 124

626 679 668 694 726 520

609 512 545 600 663 624.72 589.88 200

728 741 683 719 755 667 662 735

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S5-4. Groundwater Rights for the North Porcupine LBA Tract (Continued).
Permit
P161949W P161952W P151099W P151100W P151101W P151102W P151103W P151104W P153116W P153117W P153118W P153119W P153145W P153146W P153147W P153148W P12758P P156293W P156294W P156295W P156296W P44329W P161764W P161765W P161766W P161767W P161768W P161769W P161770W P161771W P12756P

Priority
7/22/2004 7/22/2004 4/28/2003 4/28/2003 4/28/2003 4/28/2003 4/28/2003 4/28/2003 7/28/2003 7/28/2003 7/28/2003 7/28/2003 7/28/2003 7/28/2003 7/28/2003 7/28/2003 12/30/1963 11/28/2003 11/28/2003 11/28/2003 11/28/2003 7/20/1978 8/23/2004 8/23/2004 8/23/2004 8/23/2004 8/23/2004 8/23/2004 8/23/2004 8/23/2004 12/30/1966

T
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
32 32 32 32 32 32 32 32 33 33 33 33 33 33 33 33 33 34 34 34 34 34 35 35 35 35 35 35 35 35 35

QQ
NESW SWNW SWNW SWSW NENW NESW SWSE NESE SWNW SWSW NENW NESW SWNE SWSE NENE NESE SENE SWNE NENW SWNW NENE NWSE SWNW NENW SWNE NENE SWSW NESW SWSE NESE SWSE

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION USDA FOREST SERVICE BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION USDA FOREST SERVICE CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC USDA FOREST SERVICE CONTINENTAL INDUSTRIES LC ** POWDER RIVER COAL CO. NORTH ANTELOPE/ROCHELLE COMPLEX ** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC ** POWDER RIVER COAL CO. NORTH ANTELOPE/ROCHELLE COMPLEX ** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC ** POWDER RIVER COAL CO. NORTH ANTELOPE/ROCHELLE COMPLEX ** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC ** POWDER RIVER COAL COMPANY ** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC ** POWDER RIVER COAL COMPANY ** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC ** POWDER RIVER COAL COMPANY ** WY STATE BOARD OF LAND COMMISSIONERS

Facility Name
BRITTLE BIT FED 23-32-4271 BRITTLE BIT FED 12-32-4271 BRIDLE BIT FEDERAL 12-32-4271 BRIDLE BIT FEDERAL 14-32-4271 BRIDLE BIT FEDERAL 21-32-4271 BRIDLE BIT FEDERAL 23-32-4271 BRIDLE BIT FEDERAL 34-32-4271 BRIDLE BIT FEDERAL 43-32-4271 J DILTS 12-33-42-71 J DILTS 14-33-42-71 J DILTS 21-33-42-71 J DILTS 23-33-42-71 JWS FED-DL COOK 32-33-42-71 JWS FED-DL COOK 34-33-42-71 JWS FED-DL COOK 41-33-42-71 JWS FED-DL COOK 43-33-42-71 MATHESON #TB 72 JWS FED 32-34-42-71 DL COOK JWS FED 21-34-42-71 DL COOK JWS FED 12-34-42-71 DL COOK JWS FED 41-34-42-71 DL COOK MARG #4 PORK NW FED 12-35-42-71 PORK NW FED 21-35-42-71 PORK NW FED 32-35-42-71 PORK NW FED 41-35-42-71 JWS FED 14-35-42-71 JWS FED 23-35-42-71 JWS FED 34-35-42-71 JWS FED 43-35-42-71 WILKINSON #TB 129

Status
GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GST

Uses
CBM CBM,RES STO,CBM STO,CBM CBM STO,CBM STO,CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO CBM CBM CBM CBM STO CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS STO

Static WL

T.D.

609 580 565 545 594 528 480.77 489.36 501.04 468 506 577 465 493 -1 416 432 442 391 95

721 711 678 712 718 643 590 605 567 601 591 648 488 530 -1 451 483 483 428 183

-1

P138478W

8/2/2001

NWNE

DW-36-32

GST

DEW,CBM

259

360

P138479W

8/2/2001

NENW

DW-36-31

GST

DEW,CBM

250

349

P138480W

8/2/2001

NWNW

DW-36-30

GST

DEW,CBM

315

416

P138408W

8/21/2001

NENE

STATE # 41-36

GST

CBM,MIS

250

357

P138409W

8/21/2001

SWNE

STATE # 32-36

GST

CBM,MIS

230

339

P138410W

8/21/2001

SENE

STATE # 42-36

GST

CBM,MIS

260

366

Draft EIS, Wright Area Coal Lease Applications

S5-37

Supplementary Information on the Affected Environment Table S5-4. Groundwater Rights for the North Porcupine LBA Tract (Continued).
Permit Priority T R S QQ Applicant
CONTINENTAL INDUSTRIES LC ** POWDER RIVER COAL COMPANY ** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC ** POWDER RIVER COAL COMPANY ** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC ** POWDER RIVER COAL COMPANY ** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC ** POWDER RIVER COAL COMPANY ** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC ** POWDER RIVER COAL COMPANY ** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC ** POWDER RIVER COAL COMPANY ** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC ** POWDER RIVER COAL COMPANY ** WY STATE BOARD OF LAND COMMISSIONERS POWDER RIVER COAL COMPANY ** CONTINENTAL INDUSTRIES LC ** WY STATE BOARD OF LAND COMMISSIONERS POWDER RIVER COAL COMPANY ** CONTINENTAL INDUSTRIES LC ** WY STATE BOARD OF LAND COMMISSIONERS POWDER RIVER COAL COMPANY ** CONTINENTAL INDUSTRIES LC ** WY STATE BOARD OF LAND COMMISSIONERS

Facility Name

Status

Uses

Static WL
220

T.D.

P138411W

8/21/2001

NESE

STATE # 43-36

GST

CBM,MIS

319

P138412W

8/21/2001

SESE

STATE # 44-36

GST

CBM,MIS

230

336

P138417W

8/21/2001

SWNW

STATE #12-36

GST

CBM,MIS

300

403

P138418W

8/21/2001

NWSW

STATE #13-36

GST

CBM,MIS

300

400

P138419W

8/21/2001

SWSW

STATE #14-36

GST

CBM,MIS

320

420

P138420W

8/21/2001

SENW

STATE #22-36

GST

CBM,MIS

270

373

P138424W

8/21/2001

SWSE

STATE #34-36

GST

CBM,MIS

280

381

P138421W

8/21/2001

NESW

STATE #23-36

GST

CBM,MIS

280

388

P138422W

8/21/2001

SESW

STATE #24-36

GST

CBM,MIS

290

397

P138423W

8/21/2001

NWSE

STATE #33-36

GST

CBM,MIS

250

349

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment
Notes for Non Mining-related Groundwater Rights within 3 Miles of the North Porcupine LBA Tract Search Conducted August 2, 2008 Groundwater Right Township 41N 41N 41N 42N 42N 42N Search Area: Range 69W 70W 71W 69W 70W 71W

Sections 5-7
1-12, 18
1-18
7, 17-20, 29-32
1-36
1-5, 7-36

Status Codes ADJ Adjudicated GSE Good standing, permitted time limits have been extended GSI Good standing incomplete; required notices not received; not yet expired GSM Good standing but map is still required GST Good standing UNA Unadjudicated Approximately 379 separate water rights with a status code of ABA (Abandoned), A&C (Abandoned and Cancelled), CAN (Cancelled), or EXP (Expired) have been eliminated from the listing provided above, as none of these well codes represent a valid current right. Use Codes CBM Coal Bed Methane DEW Dewatering DOM Domestic DRI Drilling IND Industrial STO Stock

IRR MIS MON RES TEM

Irrigation Miscellaneous Monitoring Reservoir Supply Temporary Use

Draft EIS, Wright Area Coal Lease Applications

S5-39

Supplementary Information on the Affected Environment Table S5-5. Surface Water Rights for the North Porcupine LBA Tract.
Permit
P6894S P6894S P5936S P6894S P5936S CR6/362A CR6/362A CR4/296A CR6/362A CR4/296A P6893S P6893S CR6/367A CR6/367A CR6/367A P5053S P5053S P5053S CR3/303A CR3/303A CR3/303A 27/3/128R

Priority
2/2/1971 2/2/1971 2/27/1967 2/2/1971 2/27/1967 2/2/1971 2/2/1971 2/27/1967 2/2/1971 2/27/1967 2/2/1971 2/2/1971 2/2/1971 2/2/1971 2/2/1971 12/28/1964 12/28/1964 12/28/1964 12/28/1964 12/28/1964 12/28/1964

T
41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41

R
69 69 69 69 69 69 69 69 69 69 70 70 70 70 70 70 70 70 70 70 70 70

S
5 5 5 5 5 5 5 5 5 5 1 1 1 1 1 2 2 2 2 2 2 5

QQ
SENW NESW SWSE NESW SWSE SENW NESW SWSE NESW SWSE SENW SWNE SWNE SENW SENW

Applicant
USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE

Facility Name
TECKLA #F.S. 9-298-8 STOCK RESERVOIR TECKLA #F.S. 9-298-8 STOCK RESERVOIR TECKLA #F.S.9-298-9 STOCK RESERVOIR TECKLA #F.S. 9-298-8 STOCK RESERVOIR TECKLA #F.S.9-298-9 STOCK RESERVOIR TECKLA #F.S. 9-298-8 STOCK RESERVOIR TECKLA #F.S. 9-298-8 STOCK RESERVOIR TECKLA #F.S.9-298-9 STOCK RESERVOIR TECKLA #F.S. 9-298-8 STOCK RESERVOIR TECKLA #F.S.9-298-9 STOCK RESERVOIR TECKLA #F.S. 9-298-6 STOCK RESERVOIR TECKLA #F.S. 9-298-6 STOCK RESERVOIR TECKLA #F.S. 9-298-6 STOCK RESERVOIR TECKLA #F.S. 9-298-6 STOCK RESERVOIR TECKLA #F.S. 9-298-6 STOCK RESERVOIR TECKLA #F.S.9-298-7 STOCK RESERVOIR TECKLA #F.S.9-298-7 STOCK RESERVOIR TECKLA #F.S.9-298-7 STOCK RESERVOIR TECKLA #F.S.9-298-7 STOCK RESERVOIR TECKLA #F.S.9-298-7 STOCK RESERVOIR TECKLA #F.S.9-298-7 STOCK RESERVOIR

Status
PU PU PU PUO PUO PU PU PU PUO PUO ADJ ADJ PU PU PUO PU PU PUO PU PU PUO UNA

Uses
STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO

Source
WEST FORK BECKWITH DRAW WEST FORK BECKWITH DRAW WEST FORK BECKWITH DRAW WEST FORK BECKWITH DRAW WEST FORK BECKWITH DRAW WEST FORK BECKWITH DRAW WEST FORK BECKWITH DRAW WEST FORK BECKWITH DRAW WEST FORK BECKWITH DRAW WEST FORK BECKWITH DRAW BOLTZ DRAW BOLTZ DRAW BOLTZ DRAW BOLTZ DRAW BOLTZ DRAW KNAPP DRAW KNAPP DRAW KNAPP DRAW KNAPP DRAW KNAPP DRAW KNAPP DRAW

SWSW USDA FOREST SERVICE SESW USDA FOREST SERVICE

SWSW USDA FOREST SERVICE SWSW USDA, FOREST SERVICE SESW USDA, FOREST SERVICE

SWSW USDA, FOREST SERVICE SWSW WYO STATE OFFICE OF LANDS & INVESTMENTS**NORTH ANTELOPE ROCHELLE SWNW COMPLEX POWDER RIVER COAL CO. SWSW USDA FOREST SERVICE SWSW USDA FOREST SERVICE SWSW USDA, FOREST SERVICE SWSW USDA, FOREST SERVICE

P10870R P6890S P6890S CR6/368A CR6/368A

5/13/1999 2/2/1971 2/2/1971 2/2/1971 2/2/1971

41 41 41 41 41

70 70 70 70 70

6 7 7 7 7

SYDNEY NO.1 RESERVOIR WILKINSON #F.S. 9-264-8 STOCK RESERVOIR WILKINSON #F.S. 9-264-8 STOCK RESERVOIR WILKINSON #F.S. 9-264-8 STOCK RESERVOIR WILKINSON #F.S. 9-264-8 STOCK RESERVOIR

UNA PU PUO PU PUO

IND STO STO STO STO

SYDNEY DRAW ROGERS DRAW ROGERS DRAW ROGERS DRAW ROGERS DRAW

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S5-5. Surface Water Rights for the North Porcupine LBA Tract (Continued).
Permit
P2379S CR3/304A P5949S P5949S CR4/301A CR4/301A 99/2/205D 99/1/205D P17731S P15516S P15516S P2210S P2210S P15962S P15960S P15963S P15961S P15963S P15961S CR3/126A CR3/126A P17602S P17602S P15934S P5059R P5059R P5059R CR2/476A CR2/476A CR2/476A P15967S P15228S P15941S 10/1/2003 6/20/2002 6/20/2002 1/30/1958 1/30/1958 6/14/2004 6/14/2004 6/14/2004 6/14/2004 6/14/2004 6/14/2004 1/30/1958 1/30/1958 7/8/2002 7/8/2002 6/14/2004 2/17/1939 2/17/1939 2/17/1939 2/17/1939 2/17/1939 2/17/1939 6/14/2004 8/25/2003 6/14/2004

Priority
8/29/1958 1/31/1964 2/27/1967 2/27/1967 2/27/1967 2/27/1967

T
41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41

R
70 70 70 70 70 70 70 70 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
8 8 9 9 9 9 9 9 4 5 6 6 6 6 6 6 6 6 6 6 6 7 8 8 8 8 8 8 8 8 9 9 10

QQ
SESW NESW NESE NESE NESE NESE NENE NENE PAUL WILKINSON

Applicant

Facility Name
ROGERS #1 STOCK RESERVOIR WILKINSON # F. S. 9-264-4 STOCK RESERVOIR DILTS #F.S.9-205-8 STOCK RESERVOIR DILTS #F.S.9-205-8 STOCK RESERVOIR DILTS #F.S.9-205-8 STOCK RESERVOIR DILTS #F.S.9-205-8 STOCK RESERVOIR

Status
UNA ADJ PU PUO PU PUO UNA UNA UNA UNA UNA PU PUO UNA UNA UNA UNA UNA UNA PU PUO UNA UNA UNA PU PU PUO PU PU PUO UNA UNA UNA

Uses
STO STO STO STO STO STO

Source
ROGERS DRAW NANCY DRAW RED DRAW RED DRAW RED DRAW RED DRAW

USDA, FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE

WILLIAMS PRODUCTION RMT CO.** WYO STATE OFFICE DILTS #12 STOCK RESERVOIR NWSW OF LANDS & INVESTMENTS UPPER HORSE CREEK STOCK RESERVOIR SWSW COLEMAN OIL & GAS, INC.**JERRY DILTS UPPER HORSE CREEK STOCK RESERVOIR SESE COLEMAN OIL & GAS, INC.**JERRY DILTS NESE NESE SESE NESE NESE SESE SENE NESE NESE NESE NESE INC. KANE'S RANCH INC. KANE'S RANCH PARTICIA L. ISENBERGER LITTON PATRICIA L. ISENBURGER-LITTON PATRICIA L. ISENBURGER-LITTON PATRICIA L. ISENBURGER-LITTON PATRICIA L. ISENBURGER-LITTON PATRICIA L. ISENBURGER-LITTON KANE'S RANCH, INCORPORATED KANE'S RANCH, INCORPORATED COLEMAN OIL & GAS, INC.**PATRICIA LITTON MIKE #1 STOCK RESERVOIR MIKE #1 STOCK RESERVOIR FAIRWAY STOCK RESERVOIR ENLARGEMENT OF MIKE #1 (P2210S) STOCK RESERVOIR ISENBURGER STOCK RESERVOIR SAND TRAP STOCK RESERVOIR ISENBURGER STOCK RESERVOIR SAND TRAP STOCK RESERVOIR MIKE #1 STOCK RESERVOIR MIKE #1 STOCK RESERVOIR TOMAHAWK STOCK RESERVOIR TOMAHAWK STOCK RESERVOIR HORSE SPRING STOCK RESERVOIR THUNDER BASIN RESERVOIR NO. 45 THUNDER BASIN RESERVOIR NO. 45 THUNDER BASIN RESERVOIR NO. 45 THUNDER BASIN RESERVOIR NO. 45 THUNDER BASIN RESERVOIR NO. 45 THUNDER BASIN RESERVOIR NO. 45

STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO

NO. 12 DRAW MIKES DRAW MIKES DRAW MIKES DRAW MIKES DRAW PING DRAW MIKES DRAW MIKES DRAW MIKES DRAW MIKES DRAW MIKES DRAW MIKES DRAW MIKES DRAW GIRARD DRAW GIRARD DRAW STACIA DRAW GIRARD DRAW GIRARD DRAW GIRARD DRAW GIRARD DRAW GIRARD DRAW GIRARD DRAW LOVE POTION DRAW NO. 11 DRAW GRADE DRAW

NWSW COLEMAN OIL & GAS, INC.**PATRICIA LITTON SWSE JERRY J. DILTS LTD. PARTNERSHIP

NWSW U.S.D.A. NESW NESW NESW U.S.D.A. U.S.D.A. USDA, FOREST SERVICE

NWSW USDA, FOREST SERVICE NESW

USDA, FOREST SERVICE JERRY J. DILTS FAMILY LTD. PARTNERSHIP AND BRIDLE NWNE BIT RANCH COMPANY SAND ROCK STOCK RESERVOIR THUNDER BASIN NATIONAL GRASSLAND** LANCE OIL & SWNW GAS CO., INC. DILTS #11 STOCK RESERVOIR JERRY J. DILTS FAMILY LTD. PARTNERSHIP & BRIDLE SESW BIT RANCH CO. LONG PULL STOCK RESERVOIR

Draft EIS, Wright Area Coal Lease Applications

S5-41

Supplementary Information on the Affected Environment Table S5-5. Surface Water Rights for the North Porcupine LBA Tract (Continued).
Permit
P15942S P15943S P15944S P15946S P15945S P15944S P15944S P15944S P15946S P15945S P15945S P15945S P15966S P4199S P4199S CR3/305A CR3/305A P15973S P15972S P15970S P6207S P6207S CR6/372A CR6/372A P15211S P15968S P15968S P15935S P15515S P15515S P5940S P5940S P5941S P5940S

Priority
6/14/2004 6/14/2004 10/25/2004 10/25/2004 10/25/2004 10/25/2004 10/25/2004 10/25/2004 10/25/2004 10/25/2004 10/25/2004 10/25/2004 6/14/2004 1/31/1964 1/31/1964 1/31/1964 1/31/1964 6/14/2004 6/14/2004 6/14/2004 3/25/1968 3/25/1968 3/25/1968 3/25/1968 10/2/2003 6/14/2004 6/14/2004 6/14/2004 3/20/2002 3/20/2002 2/27/1967 2/27/1967 2/27/1967 2/27/1967

T
41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 42 42 42 42

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 69 69 69 69

S
10 10 11 11 11 11 11 11 11 11 11 11 13 13 13 13 13 14 14 14 14 14 14 14 15 17 17 17 18 18 19 19 19 19

QQ
NENE NESE SWSE SWSE SESW SESW NESW NWSE NWSE NESW

Applicant

Facility Name

Status
UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA PU PUO PU PUO UNA UNA UNA PU PUO PU PUO UNA UNA UNA UNA UNA UNA PU PU PU PUO

Uses
STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO

Source
OHMS DRAW SPUR DRAW DEPOT DRAW PORTER DRAW BIG BOY DRAW DEPOT DRAW DEPOT DRAW DEPOT DRAW PORTER DRAW BIG BOY DRAW BIG BOY DRAW BIG BOY DRAW DENNELL DRAW SCOTT'S DRAW SCOTT'S DRAW SCOTT'S DRAW SCOTT'S DRAW BIG BOY DRAW DENNELL DRAW BIG BOY DRAW DENNELL DRAW DENNELL DRAW DENNELL DRAW DENNELL DRAW NO. 9 DRAW DOS CHARCOS DRAW DOS CHARCOS DRAW MR. CLEAN DRAW OX DRAW OX DRAW GYGER DRAW GYGER DRAW HOLMES DRAW GYGER DRAW

JERRY J. DILTS FAMILY LTD. PARTNERSHIP AND BRIDLE BIT RANCH COMPANY LIVE WIRE STOCK RESERVOIR JERRY J. DILTS FAMILY LTD. PARTNERSHIP AND BRIDLE BIT RANCH COMPANY IRON HORSE STOCK RESERVOIR SIOUX RANCH, INC. SIOUX RANCH, INC. SIOUX RANCH, INC. SIOUX RANCH, INC. SIOUX RANCH, INC. SIOUX RANCH, INC. SIOUX RANCH, INC. SIOUX RANCH, INC. CHOO CHOO STOCK RESERVOIR SANDY SWALE STOCK RESERVOIR LOCOMOTIVE STOCK RESERVOIR CHOO CHOO STOCK RESERVOIR CHOO CHOO STOCK RESERVOIR CHOO CHOO STOCK RESERVOIR SANDY SWALE STOCK RESERVOIR LOCOMOTIVE STOCK RESERVOIR LOCOMOTIVE STOCK RESERVOIR

NWSW SIOUX RANCH, INC.

SWSW SIOUX RANCH, INC. LOCOMOTIVE STOCK RESERVOIR JERRY J. DILTS FAMILY LTD. PARTNERSHIP AND BRIDLE SWSW BIT RANCH COMPANY WALKABOUT STOCK RESERVOIR WILKINSON # F. S. 9-264-5 STOCK RESERVOIR NENE USDA FOREST SERVICE WILKINSON # F. S. 9-264-5 STOCK RESERVOIR NENE USDA FOREST SERVICE WILKINSON # F. S. 9-264-5 STOCK RESERVOIR NENE USDA, FOREST SERVICE WILKINSON # F. S. 9-264-5 STOCK RESERVOIR NENE USDA, FOREST SERVICE NWSW JERRY J. DILTS NESW JERRY J. DILTS SWNW JERRY J.DILTS NESE NESE NESE NESE NENW USDA FOREST SERVICE USDA FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE LANCE OIL & GAS CO., INC. SHOE HORN STOCK RESERVOIR PARALLEL STOCK RESERVOIR NICE END STOCK RESERVOIR MATHESON #F.S.9-228-10 STOCK RESERVOIR MATHESON #F.S.9-228-10 STOCK RESERVOIR MATHESON #F.S.9-228-10 STOCK RESERVOIR MATHESON #F.S.9-228-10 STOCK RESERVOIR DILTS #9 STOCK RESERVOIR TWO PUDDLES STOCK RESERVOIR TWO PUDDLES STOCK RESERVOIR LITTLE BEAR STOCK RESERVOIR

SWSW JERRY J. DILTS NWSW JERRY J. DILTS NENW SWNE SWNE JERRY J. DILTS LTD. PARTNERSHIP

COLEMAN OIL & GAS, INC.**GENE AND PATRICIA LITTON OXYOKE STOCK RESERVOIR

COLEMAN OIL & GAS, INC.**GENE AND PATRICIA LITTON OXYOKE STOCK RESERVOIR RENO LIVESTOCK CORPORATION NENW USDA FOREST SERVICE #F.S.9-240-7 STOCK RESERVOIR RENO LIVESTOCK CORPORATION #F.S.9-240-7 STOCK RESERVOIR NWNW USDA FOREST SERVICE RENO LIVESTOCK CORPORATION #F.S.9-240-6 STOCK RESERVOIR SWSE USDA FOREST SERVICE NENW USDA FOREST SERVICE RENO LIVESTOCK CORPORATION

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S5-5. Surface Water Rights for the North Porcupine LBA Tract (Continued).
Permit Priority T R S QQ Applicant Facility Name
#F.S.9-240-7 STOCK RESERVOIR P5941S CR4/249A CR4/250A CR4/250A CR4/249A CR4/250A P7562R P7562R P7562R CR9/354A CR9/354A CR9/354A P5052S P5052S CR3/297A CR3/297A P10382S P6140S P6140S CR6/363A CR6/363A P3931S P3931S P16846S CR3/299A CR3/299A 2/27/1967 2/27/1967 2/27/1967 2/27/1967 2/27/1967 2/27/1967 3/13/1973 3/13/1973 3/13/1973 3/13/1973 3/13/1973 3/13/1973 12/28/1964 12/28/1964 12/28/1964 12/28/1964 5/13/1988 2/9/1968 2/9/1968 2/9/1968 2/9/1968 3/18/1963 3/18/1963 1/26/2004 3/18/1963 3/18/1963 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 69 69 69 69 69 69 69 69 69 69 69 69 69 69 69 69 69 69 69 69 69 70 70 70 70 70 19 19 19 19 19 19 29 29 29 29 29 29 30 30 30 30 31 32 32 32 32 7 7 7 7 7 SWSE SWSE NENW USDA FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE RENO LIVESTOCK CORPORATION #F.S.9-240-6 STOCK RESERVOIR RENO LIVESTOCK CORPORATION #F.S.9-240-6 STOCK RESERVOIR RENO LIVESTOCK CORPORATION #F.S.9-240-7 STOCK RESERVOIR RENO LIVESTOCK CORPORATION #F.S.9-240-7 STOCK RESERVOIR RENO LIVESTOCK CORPORATION #F.S.9-240-6 STOCK RESERVOIR RENO LIVESTOCK CORPORATION #F.S.9-240-7 STOCK RESERVOIR TECKLA # F. S. 9-298-4 RESERVOIR TECKLA # F. S. 9-298-4 RESERVOIR TECKLA # F. S. 9-298-4 RESERVOIR TECKLA NO. F. S. 9-298-4 RESERVOIR TECKLA NO. F. S. 9-298-4 RESERVOIR TECKLA NO. F. S. 9-298-4 RESERVOIR TECKLA #F.S.9-298-3 STOCK RESERVOIR TECKLA #F.S.9-298-3 STOCK RESERVOIR TECKLA #F.S.9-298-3 STOCK RESERVOIR TECKLA #F.S.9-298-3 STOCK RESERVOIR TECKLA # 9-290-15 STOCK RESERVOIR TECKLA #F.S.9-298-11 STOCK RESERVOIR TECKLA #F.S.9-298-11 STOCK RESERVOIR TECKLA #F.S.9-298-11 STOCK RESERVOIR TECKLA #F.S.9-298-11 STOCK RESERVOIR RENO LIVESTOCK #9-240-2 STOCK RESERVOIR RENO LIVESTOCK #9-240-2 STOCK RESERVOIR ENL. OF THETRACY STOCK RESERVOIR RENO LIVESTOCK #9-240-2 STOCK RESERVOIR RENO LIVESTOCK #9-240-2 STOCK RESERVOIR PUO PU PU PU PUO PUO ADJ ADJ ADJ PU PU PUO PU PUO PU PUO GST PU PUO PU PUO PU PUO UNA PU PUO STO STO STO STO STO STO REC,STO,FIS REC,STO,FIS REC,STO,FIS FIS,REC FIS,REC FIS,REC STO STO STO STO STO STO STO STO STO STO STO STO STO STO HOLMES DRAW HOLMES DRAW HOLMES DRAW HOLMES DRAW JENSEN DRAW SALTY DRAW SALTY DRAW SALTY DRAW SALTY DRAW OLSON DRAW OLSON DRAW OLSON DRAW OLSON DRAW OLSON DRAW HOLMES DRAW HOLMES DRAW GYGER DRAW GYGER DRAW HOLMES DRAW GYGER DRAW SCHOOL CREEK SCHOOL CREEK SCHOOL CREEK

Status

Uses

Source

NWNW USDA, FOREST SERVICE SWSE NENW SWNE NWSE SWNE SWNE NWSE SWNE NWNE NWNE NWNE NWNE NESW SESE SESE SESE SESE NWSE NWSE NWSE NWSE NWSE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USFS USDA, FOREST SERVICE USDA, FOREST SERVICE

Draft EIS, Wright Area Coal Lease Applications

S5-43

Supplementary Information on the Affected Environment Table S5-5. Surface Water Rights for the North Porcupine LBA Tract (Continued).
Permit
P4904R

Priority
7/30/1938

T
42

R
70

S
9

Applicant

Facility Name
THUNDER BASIN NO. 52 RESERVOIR THUNDER BASIN NO. 52 RESERVOIR THUNDER BASIN NO. 52 RESERVOIR THUNDER BASIN NO. 52 RESERVOIR THUNDER BASIN RESERVOIR THUNDER BASIN RESERVOIR THUNDER BASIN RESERVOIR THUNDER BASIN RESERVOIR THUNDER BASIN RESERVOIR THUNDER BASIN RESERVOIR HEARTSPEAR 19 HEARTSPEAR 19 NORTH ROCHELLE PERMANENT WETLAND MITIGATION SITE RESERVOIR NORTH ROCHELLE PERMANENT WETLAND MITIGATION SITE RESERVOIR THUNDER BASIN NO. 51 RESERVOIR THUNDER BASIN NO. 51 RESERVOIR THUNDER BASIN NO. 51 RESERVOIR THUNDER BASIN NO. 51 RESERVOIR THUNDER BASIN NO. 51 RESERVOIR WILKINSON #F.S.9-264-6 STOCK RESERVOIR WILKINSON #F.S.9-264-6 STOCK RESERVOIR WILKINSON #F.S.9-264-6 STOCK RESERVOIR WILKINSON #F.S.9-264-6 STOCK RESERVOIR WILKINSON #9-264-3 STOCK RESERVOIR NO. 52

Status
PU

Uses
STO

Source
TRUSSLER CREEK

P4904R

7/30/1938

P4904R

7/30/1938

P4904R

7/30/1938

P4904R CR2/458A CR2/458A CR2/458A CR2/458A CR2/458A CU2/280A CU2/280A

7/30/1938 7/30/1938 7/30/1938 7/30/1938 7/30/1938 7/30/1938 4/23/1971 4/23/1971

42 42 42 42 42 42 42 42

70 70 70 70 70 70 70 70

9 9 9 9 9 9 11 11

USDA FARM SECURITY ADMINISTRATION, TRITON COAL COMPANY LLC, NORTH ROCHELLE MINE, 510 RENO NWSW ROAD, GILLETTE WY 82718 USDA FARM SECURITY ADMINISTRATION, TRITON COAL COMPANY LLC, NORTH ROCHELLE MINE, 510 RENO SWNW ROAD, GILLETTE WY 82718 USDA FARM SECURITY ADMINISTRATION, TRITON COAL COMPANY LLC, NORTH ROCHELLE MINE, 510 RENO SENW ROAD, GILLETTE WY 82718 USDA FARM SECURITY ADMINISTRATION, TRITON COAL COMPANY LLC, NORTH ROCHELLE MINE, 510 RENO NESW ROAD, GILLETTE WY 82718 USDA FARM SECURITY ADMINISTRATION, TRITON COAL COMPANY LLC, NORTH ROCHELLE MINE, 510 RENO SWNW ROAD, GILLETTE WY 82718 NESW USDA, FOREST SERVICE

STO

TRUSSLER CREEK

STO

TRUSSLER CREEK

STO

TRUSSLER CREEK

PUO NO. 52 PU NO. 52 PU NO. 52 PU NO. 52 PU NO. 52 PUO PU PUW

STO STO STO STO STO STO STO STO

TRUSSLER CREEK TRUSSLER CREEK TRUSSLER CREEK TRUSSLER CREEK TRUSSLER CREEK TRUSSLER CREEK

SWNW USDA, FOREST SERVICE NWSW USDA, FOREST SERVICE SENW USDA, FOREST SERVICE

SWNW USDA, FOREST SERVICE SWNE SWNE RENO LIVESTOCK CORPORATION RENO LIVESTOCK CORPORATION

CR14/320A

6/13/1995

NENW

TRITON COAL COMPANY NORTH ROCHELLE MINE

ADJ

WET

CR14/320A

6/13/1995

P4903R

7/30/1938

P4903R CR2/460A CR2/460A CR2/460A P5561S P5561S CR4/253A CR4/253A P3943S

7/30/1938 7/30/1938 7/30/1938 7/30/1938 5/6/1966 5/6/1966 5/6/1966 5/6/1966 3/18/1963

42 42 42 42 42 42 42 42 42

70 70 70 70 70 70 70 70 70

15 15 15 15 17 17 17 17 18

TRITON COAL COMPANY NORTH ROCHELLE MINE USDA FARM SECURITY ADMINISTRATION, TRITON COAL COMPANY LLC, NORTH ROCHELLE MINE, 510 RENO SWSW ROAD, GILLETTE WY 82718 USDA FARM SECURITY ADMINISTRATION, TRITON COAL COMPANY LLC, NORTH ROCHELLE MINE, 510 RENO SESW ROAD, GILLETTE WY 82718 SESW USDA, FOREST SERVICE

SENW

ADJ

WET

ADJ

STO

BIRD CREEK

ADJ PU PU PUO PU PUO PU PUO PU

STO STO STO STO STO STO STO STO STO

BIRD CREEK BIRD CREEK BIRD CREEK BIRD CREEK OLSON DRAW OLSON DRAW OLSON DRAW OLSON DRAW OLSON DRAW

SWSW USDA, FOREST SERVICE SWSW USDA, FOREST SERVICE NESW NESW NESW NESW NENE USDA FOREST SERVICE USDA FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA FOREST SERVICE

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S5-5. Surface Water Rights for the North Porcupine LBA Tract (Continued).
Permit
P3943S CR3/300A CR3/300A P9853S P5967S P5967S CR4/302A CR4/302A P9854S P5968S P5968S CR4/252A CR4/252A P4901R P4901R CR2/457A CR2/457A P5942S P5942S CR4/251A CR4/251A P4901R CR2/457A P5050S P5050S CR3/306A CR3/306A 31/5/228R

Priority
3/18/1963 3/18/1963 3/18/1963 1/14/1986 3/20/1967 3/20/1967 3/20/1967 3/20/1967 1/14/1986 3/20/1967 3/20/1967 3/20/1967 3/20/1967 7/30/1938 7/30/1938 7/30/1938 7/30/1938 2/27/1967 2/27/1967 2/27/1967 2/27/1967 7/30/1938 7/30/1938 12/28/1964 12/28/1964 12/28/1964 12/28/1964

T
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70

S
18 18 18 20 20 20 20 20 21 21 21 21 21 23 23 23 23 24 24 24 24 26 26 27 27 27 27 28

QQ
NENE NENE NENE NENW NESE NESE NESE NESE SESE NENW NENW NENW NENW SWSE SWSE SWSE SWSE SENE SENE SENE SENE NWNE NWNE SESW SESW SESW SESW SWSE

Applicant
USDA FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE U.S.D.A. FARM SECURITY ADM. U.S.D.A. FARM SECURITY ADM. USDA, FOREST SERVICE USDA, FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE U.S.D.A. FARM SECURITY ADM. USDA, FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE

Facility Name
WILKINSON #9-264-3 STOCK RESERVOIR WILKINSON #9-264-3 STOCK RESERVOIR WILKINSON #9-264-3 STOCK RESERVOIR MACKEY #9-223-4 STOCK RESERVOIR MACKEY #F.S.9-223-2 STOCK RESERVOIR MACKEY #F.S.9-223-2 STOCK RESERVOIR MACKEY #F.S.9-223-2 STOCK RESERVOIR MACKEY #F.S.9-223-2 STOCK RESERVOIR MACKEY #9-223-5 STOCK RESERVOIR MACKEY #F.S.9-223-3 STOCK RESERVOIR MACKEY #F.S.9-223-3 STOCK RESERVOIR MACKEY #F.S.9-223-3 STOCK RESERVOIR MACKEY #F.S.9-223-3 STOCK RESERVOIR THUNDER BASIN NO. 116 RESERVOIR THUNDER BASIN NO. 116 RESERVOIR THUNDER BASIN NO. 116 RESERVOIR THUNDER BASIN NO. 116 RESERVOIR RENO LIVESTOCK CORPORATION #F.S.9-240-5 STOCK RESERVOIR RENO LIVESTOCK CORPORATION #F.S.9-240-5 STOCK RESERVOIR RENO LIVESTOCK CORPORATION #F.S.9-240-5 STOCK RESERVOIR RENO LIVESTOCK CORPORATION #F.S.9-240-5 STOCK RESERVOIR THUNDER BASIN NO. 116 RESERVOIR THUNDER BASIN NO. 116 RESERVOIR WILMOT #F.S.9-266-2 STOCK RESERVOIR WILMOT #F.S.9-266-2 STOCK RESERVOIR WILMOT #F.S.9-266-2 STOCK RESERVOIR WILMOT #F.S.9-266-2 STOCK RESERVOIR

Status
PUO PU PUO GST PU PUO PU PUO GST PU PUO PU PUO PU PUO PU PUO PU PUO PU PUO PU PU PU PUO PU PUO UNA

Uses
STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO

Source
OLSON DRAW OLSON DRAW OLSON DRAW PLAYA DRAW DURBIN DRAW DURBIN DRAW DURBIN DRAW DURBIN DRAW PARAKEET DRAW TRUSSLER DRY LAKE BED. TRUSSLER DRY LAKE BED.

HOLMES CREEK HOLMES CREEK

GYGER DRAW GYGER DRAW GYGER DRAW GYGER DRAW HOLMES CREEK

NORTH FORK PAYNE DRAW NORTH FORK PAYNE DRAW NORTH FORK PAYNE DRAW NORTH FORK PAYNE DRAW

Draft EIS, Wright Area Coal Lease Applications

S5-45

Supplementary Information on the Affected Environment Table S5-5. Surface Water Rights for the North Porcupine LBA Tract (Continued).
Permit
27/2/199R P4907R P4907R P4907R P4907R CR2/472A CR2/472A CR2/472A CR2/472A P6340S P6340S CR6/370A CR6/370A P4993R P4993R P5051S P5051S CR2/471A CR3/307A CR2/471A CR3/307A P6341S P6341S CR6/369A CR6/369A P10086S P16867S P16868S P4578S 7/30/1938 7/30/1938 7/30/1938 7/30/1938 7/30/1938 7/30/1938 7/30/1938 7/30/1938 4/29/1969 4/29/1969 4/29/1969 4/29/1969 2/17/1939 2/17/1939 12/28/1964 12/28/1964 2/17/1939 12/28/1964 2/17/1939 12/28/1964 4/29/1969 4/29/1969 4/29/1969 4/29/1969 2/9/1987 5/12/2004 6/9/2003 4/28/1964

Priority

T
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 71 71 71 71

S
28 29 29 29 29 29 29 29 29 31 31 31 31 34 34 34 34 34 34 34 34 35 35 35 35 2 3 4 5

QQ
NWSE SWNE NESW NWSE NESW NWSE SWNE NESW NESW NWNE NWNE NWNE NWNE

Applicant

Facility Name
THUNDER BASIN NO. 28 RESERVOIR THUNDER BASIN NO. 28 RESERVOIR THUNDER BASIN NO. 28 RESERVOIR THUNDER BASIN NO. 28 RESERVOIR THUNDER BASIN NO. 28 RESERVOIR THUNDER BASIN NO. 28 RESERVOIR THUNDER BASIN NO. 28 RESERVOIR THUNDER BASIN NO. 28 RESERVOIR WILKINSON #F.S.9-264-7 STOCK RESERVOIR WILKINSON #F.S.9-264-7 STOCK RESERVOIR WILKINSON #F.S.9-264-7 STOCK RESERVOIR WILKINSON #F.S.9-264-7 STOCK RESERVOIR THUNDER BASIN RESERVOIR NO. 29 THUNDER BASIN RESERVOIR NO. 29 TECKLA #F.S.9-298-2 STOCK RESERVOIR TECKLA #F.S.9-298-2 STOCK RESERVOIR THUNDER BASIN RESERVOIR NO. 29 TECKLA #F.S.9-298-2 STOCK RESERVOIR THUNDER BASIN RESERVOIR NO. 29 TECKLA #F.S.9-298-2 STOCK RESERVOIR TECKLA NO. F.S.9-298-12 STOCK RESERVOIR TECKLA NO. F.S.9-298-12 STOCK RESERVOIR TECKLA NO. F.S.9-298-12 STOCK RESERVOIR TECKLA NO. F.S.9-298-12 STOCK RESERVOIR RENO #9-240-12 STOCK RESERVOIR SP-R18 STOCK RESERVOIR SP-R3 STOCK RESERVOIR BLK BUTTE PIT NO. 1 STO. RES.

Status
UNA

Uses

Source

USDA FARM SECURITY ADMINISTRATION USDA FARM SECURITY ADMINISTRATION USDA FARM SECURITY ADMINISTRATION USDA FARM SECURITY ADMINISTRATION USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE

PU PU PU PUO PU PU PU PUO PU PUO PU PUO PU PUO PU PUO PU PU PUO PUO PU PUO PU PUO GST UNA UNA UNA

STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO

CORDER CREEK CORDER CREEK CORDER CREEK CORDER CREEK CORDER CREEK CORDER CREEK CORDER CREEK CORDER CREEK CALLAN DRAW CALLAN DRAW CALLAN DRAW CALLAN DRAW PAYNE DRAW PAYNE DRAW SOUTH FORK PAYNE DRAW SOUTH FORK PAYNE DRAW PAYNE DRAW SOUTH FORK PAYNE DRAW PAYNE DRAW SOUTH FORK PAYNE DRAW SOUTH FORK PAYNE DRAW SOUTH FORK PAYNE DRAW SOUTH FORK PAYNE DRAW SOUTH FORK PAYNE DRAW SAFFORD DRAW SOHN DRAW BAHL DRAW BIRDSALL DRAW

NWNW USDA FARM SECURITY ADMINISTRATION NWNW USDA FARM SECURITY ADMINISTRATION NENE NENE USDA FOREST SERVICE USDA FOREST SERVICE

NWNW USDA, FOREST SERVICE NENE USDA, FOREST SERVICE

NWNW USDA, FOREST SERVICE NENE SESE SESE SESE SESE SWSE USDA, FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE

SWSW BRIDLE BIT RANCH CO.** MERIT ENERGY CO. SWSW BRIDLE BIT RANCH CO. SENW HALBERT MATHESON

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S5-5. Surface Water Rights for the North Porcupine LBA Tract (Continued).
Permit
P7104D P7104D P7105D P7104D P7106D P7105D C27/365A C27/364A C27/364A C27/366A C27/365A C27/364A P16872S P16871S P16870S P16869S P5557S P5557S CR4/303A CR4/303A P16914S P16914S P4191S P4191S P4191S CR3/301A CR3/301A CR3/301A P7102D P7102D P7102D P7102D P4991R P4991R P4991R

Priority
2/13/1906 2/13/1906 2/13/1906 2/13/1906 3/8/1906 2/13/1906 2/13/1906 2/13/1906 2/13/1906 3/8/1906 2/13/1906 2/13/1906 6/9/2003 6/9/2003 6/9/2003 6/9/2003 5/6/1966 5/6/1966 5/6/1966 5/6/1966 6/9/2003 6/9/2003 1/31/1964 1/31/1964 1/31/1964 1/31/1964 1/31/1964 1/31/1964 2/13/1906 2/13/1906 2/13/1906 2/13/1906 2/17/1939 2/17/1939 2/17/1939

T
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
7 7 7 7 7 7 7 7 7 7 7 7 8 8 8 8 9 9 9 9 10 10 11 11 11 11 11 11 12 12 12 12 12 12 12

QQ
SENW EDITH M. SIMPSON SWNW EDITH M. SIMPSON NWNW EDITH M. SIMPSON NENW EDITH M. SIMPSON NWNW EDITH M. SIMPSON NWNW EDITH M. SIMPSON NWNW EDITH M. SIMPSON SENW EDITH M. SIMPSON SWNW EDITH M. SIMPSON NWNW EDITH M. SIMPSON NWNW EDITH M. SIMPSON NENW SWSE NWSE NWSE NWNE SWSE NWSE SWSE NWSE EDITH M. SIMPSON

Applicant

Facility Name
SHEEP DITCH SHEEP DITCH LITTLE ANTELOPE DITCH NO. 1 SHEEP DITCH LITTLE ANTELOPE DITCH NO. 2 LITTLE ANTELOPE DITCH NO. 1 LITTLE ANTELOPE DITCH NO. 1 SHEEP DITCH SHEEP DITCH LITTLE ANTELOPE DITCH NO. 2 LITTLE ANTELOPE DITCH NO. 1 SHEEP DITCH SP-R8 STOCK RESERVOIR SP-R6 STOCK RESERVOIR SP-R5 STOCK RESERVOIR SP-R4 STOCK RESERVOIR MATHESON #F.S.9-228-7 STOCK RESERVOIR MATHESON #F.S.9-228-7 STOCK RESERVOIR MATHESON #F.S.9-228-7 STOCK RESERVOIR MATHESON #F.S.9-228-7 STOCK RESERVOIR

Status
ADJ ADJ ADJ PUD PUD PUD ADJ ADJ ADJ PUD PUD PUD UNA UNA UNA UNA ADJ ADJ ADJ ADJ UNA UNA PU PU PUO PU PU PUO ADJ ADJ ADJ PUD PU PU PUO

Uses
IRR,DOM IRR,DOM IRR,DOM IRR,DOM IRR IRR,DOM IRR IRR IRR IRR IRR IRR STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO IRR,DOM IRR,DOM IRR,DOM IRR,DOM STO STO STO

Source
SHEEP CREEK SHEEP CREEK LITTLE ANTELOPE CREEK SHEEP CREEK LITTLE ANTELOPE CREEK LITTLE ANTELOPE CREEK LITTLE ANTELOPE CREEK SHEEP CREEK SHEEP CREEK LITTLE ANTELOPE CREEK LITTLE ANTELOPE CREEK SHEEP CREEK BLACK BUTTE CREEK BLACK BUTTE CREEK BLACK BUTTE CREEK BLACK BUTTE CREEK BAHL DRAW BAHL DRAW BAHL DRAW BAHL DRAW GRAY CREEK GRAY CREEK BRIGGS DRAW BRIGGS DRAW BRIGGS DRAW BRIGGS DRAW BRIGGS DRAW BRIGGS DRAW LITTLE PORCUPINE CREEK LITTLE PORCUPINE CREEK LITTLE PORCUPINE CREEK LITTLE PORCUPINE CREEK TANNER DRAW TANNER DRAW TANNER DRAW

BRIDLE BIT RANCH CO. BRIDLE BIT RANCH CO. BRIDLE BIT RANCH CO. BRIDLE BIT RANCH CO. USDA FOREST SERVICE USDA FOREST SERVICE USDA, FOREST SERVICE

USDA, FOREST SERVICE BRIDLE BIT RANCH CO.** WYO STATE OFFICE OF LANDS NWSW & INVESTMENTS SP-R10 STOCK RESERVOIR BRIDLE BIT RANCH CO.** WYO STATE OFFICE OF LANDS SWNW & INVESTMENTS SP-R10 STOCK RESERVOIR REVLAND #242-1 STOCK NWNE USDA FOREST SERVICE RESERVOIR REVLAND #242-1 STOCK RESERVOIR SWNE USDA FOREST SERVICE REVLAND #242-1 STOCK RESERVOIR NWNE USDA FOREST SERVICE REVLAND #242-1 STOCK RESERVOIR NWNE USDA, FOREST SERVICE REVLAND #242-1 STOCK RESERVOIR SWNE USDA, FOREST SERVICE REVLAND #242-1 STOCK NWNE USDA, FOREST SERVICE RESERVOIR NWSE NWNE SWNE NWNE NENE NWNE NENE EDITH M. SIMPSON EDITH M. SIMPSON EDITH M. SIMPSON EDITH M. SIMPSON USDA FARM SECURITY ADMINISTRATION USDA FARM SECURITY ADMINISTRATION USDA FARM SECURITY ADMINISTRATION LITTLE PORCUPINE DITCH LITTLE PORCUPINE DITCH LITTLE PORCUPINE DITCH

LITTLE PORCUPINE DITCH THUNDER BASIN RESERVOIR NO. 54 THUNDER BASIN RESERVOIR NO. 54 THUNDER BASIN RESERVOIR NO. 54

Draft EIS, Wright Area Coal Lease Applications

S5-47

Supplementary Information on the Affected Environment Table S5-5. Surface Water Rights for the North Porcupine LBA Tract (Continued).
Permit
C27/364A CR2/459A CR2/459A CR2/459A P3906S P3906S CR3/309A CR3/309A P16918S P16918S P16918S P16918S P16915S P16916S P16917S P16917S 30/5/216R 30/4/216R P2749R C40/339A P2749R P3402R C40/339A P18650S P7099D P7099D P7099D P7099D P5824D C27/361A C27/361A C27/361A C27/361A

Priority
2/13/1906 2/17/1939 2/17/1939 2/17/1939 8/8/1962 8/8/1962 8/8/1962 8/8/1962 6/9/2003 6/9/2003 6/9/2003 6/9/2003 6/9/2003 6/9/2003 6/9/2003 6/9/2003 12/29/2000 12/29/2000 11/5/1914 11/5/1914 11/5/1914 1/4/1917 11/5/1914 6/22/2007 2/13/1906 2/13/1906 2/13/1906 2/13/1906 1/30/1904 2/13/1906 2/13/1906 2/13/1906 2/13/1906

T
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
12 12 12 12 13 13 13 13 14 14 14 14 15 15 15 15 15 16 16 16 17 17 17 18 18 18 18 18 18 18 18 18 18

QQ
SENE NENE NWNE NENE EDITH M. SIMPSON

Applicant

Facility Name
SHEEP DITCH THUNDER BASIN RESERVOIR NO. 54 THUNDER BASIN RESERVOIR NO. 54 THUNDER BASIN RESERVOIR NO. 54 STUART #256-2 STOCK RESERVOIR STUART #256-2 STOCK RESERVOIR STUART #256-2 STOCK RESERVOIR STUART #256-2 STOCK RESERVOIR

Status
ADJ PU PU PUO PU PUO PU PUO UNA UNA UNA UNA UNA UNA UNA UNA

Uses
IRR STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO/IRR STO/IRR

Source
SHEEP CREEK TANNER DRAW TANNER DRAW TANNER DRAW STUART DRAW STUART DRAW STUART DRAW STUART DRAW STEW DRAW STEW DRAW STEW DRAW STEW DRAW BAHL DRAW GRAY CREEK GRAY CREEK GRAY CREEK PORCUPINE CREEK PORCUPINE CREEK BLACK BUTTE CREEK BLACK BUTTE CREEK BLACK BUTTE CREEK NORTH PRONG LITTLE THUNDER CREEK BLACK BUTTE CREEK EUREKA DRAW LITTLE PORCUPINE CREEK LITTLE PORCUPINE CREEK LITTLE PORCUPINE CREEK LITTLE PORCUPINE CREEK PORCUPINE CREEK LITTLE PORCUPINE CREEK LITTLE PORCUPINE CREEK LITTLE PORCUPINE CREEK LITTLE PORCUPINE CREEK

USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE

NWSW USDA FOREST SERVICE NWSW USDA FOREST SERVICE NWSW USDA, FOREST SERVICE NWSW USDA, FOREST SERVICE BRIDLE BIT RANCH CO.** SWNE & INVESTMENTS BRIDLE BIT RANCH CO.** NWNE & INVESTMENTS BRIDLE BIT RANCH CO.** SENE & INVESTMENTS BRIDLE BIT RANCH CO.** NENE & INVESTMENTS BRIDLE BIT RANCH CO.** SWSW & INVESTMENTS BRIDLE BIT RANCH CO.** SWNE & INVESTMENTS BRIDLE BIT RANCH CO.** SESE & INVESTMENTS NESE

WYO STATE OFFICE OF LANDS SP-R15 STOCK RESERVOIR WYO STATE OFFICE OF LANDS SP-R15 STOCK RESERVOIR WYO STATE OFFICE OF LANDS SP-R15 STOCK RESERVOIR WYO STATE OFFICE OF LANDS SP-R15 STOCK RESERVOIR WYO STATE OFFICE OF LANDS SP-R12 STOCK RESERVOIR WYO STATE OFFICE OF LANDS SP-R13 STOCK RESERVOIR WYO STATE OFFICE OF LANDS SP-R14 STOCK RESERVOIR

BRIDLE BIT RANCH CO.** WY ST OFFICE OF L&E SP-R14 STOCK RESERVOIR BRIDLE BIT RANCH CO.** WYO STATE OFFICE OF LANDS SWSW & INVESTMENTS STATE BIRDSALL RESERVOIR BRIDLE BIT RANCH CO.** WYO STATE OFFICE OF LANDS SWSW & INVESTMENTS BIRDSALL RESERVOIR SWSW JOHN PAISLEY SWSW JOHN PAISLEY SESE SESE SESE SWSE SENW SWNE NWSE NWSE SENW SWNE JOHN PAISLEY MARION C. ELEXANDER JOHN PAISLEY BRIDLE BIT RANCH CO. CHARLES B. SIMPSON CHARLES B. SIMPSON CURTIS CUNNINGHAM CHARLES B. SIMPSON CHARLES B. SIMPSON CHARLES B. SIMPSON BUTTE CREEK RESERVOIR BUTTE CREEK RESERVOIR BUTTE CREEK RESERVOIR FLORENCE RESERVOIR BUTTE CREEK RESERVOIR DILTS 18-43 STOCK RESERVOIR SIMPSON DITCH SIMPSON DITCH SIMPSON DITCH SIMPSON DITCH CUNNINGHAM DITCH NO. 1 SIMPSON DITCH SIMPSON DITCH SIMPSON DITCH SIMPSON DITCH

ADJ PU ADJ PU PU UNA ADJ ADJ ADJ ADJ PUD ADJ ADJ ADJ ADJ

STO,IRR,DOM IRR,STO,DOM STO,IRR,DOM STO IRR,STO,DOM STO IRR,DOM IRR,DOM IRR,DOM IRR,DOM IRR IRR IRR IRR IRR

SWNW CHARLES B. SIMPSON NWNW CHARLES B. SIMPSON

SWNW CHARLES B. SIMPSON

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S5-5. Surface Water Rights for the North Porcupine LBA Tract (Continued).
Permit
P2749R P2649R P12756D P12399D P12399D P12399D P2649R P12756D P12399D C40/340A C40/338A C40/338A C40/338A C40/337A C40/337A C40/339A C40/340A C40/338A C40/337A C40/339A P4898R P4898R P3888S P3888S P3888S CR3/302A CR3/302A CR2/473A CR3/302A CR2/473A P7065S P7065S CR9/373A CR9/373A P2815S

Priority
11/5/1914 5/6/1914 11/5/1914 5/6/1914 5/6/1914 5/6/1914 5/6/1914 11/5/1914 5/6/1914 11/5/1914 5/6/1914 5/6/1914 5/6/1914 5/6/1914 5/6/1914 11/5/1914 11/5/1914 5/6/1914 5/6/1914 11/5/1914 7/30/1938 7/30/1938 8/8/1962 8/8/1962 8/8/1962 8/8/1962 8/8/1962 7/30/1938 8/8/1962 7/30/1938 9/20/1971 9/20/1971 9/20/1971 9/20/1971 8/12/1959

T
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 22 22 22 22 22 22 22 22 22 22 23 23 23 23 24

QQ
NWNW JOHN PAISLEY SWNE NENW NENE NWNE SENE SENW SWNE NENW SENE NWNE NENE SWNE SENW JOHN PAISLEY JOHN PAISLEY JOHN PAISLEY JOHN PAISLEY JOHN PAISLEY JOHN PAISLEY JOHN PAISLEY JOHN PAISLEY JOHN PAISLEY JOHN PAISLEY JOHN PAISLEY JOHN PAISLEY JOHN PAISLEY

Applicant

Facility Name
BUTTE CREEK RESERVOIR PAISLEY RESERVOIR BUTTE CREEK DITCH PAISLEY DITCH PAISLEY DITCH PAISLEY DITCH PAISLEY RESERVOIR BUTTE CREEK DITCH PAISLEY DITCH BUTTE CREEK DITCH PAISLEY DITCH PAISLEY DITCH PAISLEY DITCH PAISLEY RESERVOIR PAISLEY RESERVOIR BUTTE CREEK RESERVOIR BUTTE CREEK DITCH PAISLEY DITCH PAISLEY RESERVOIR BUTTE CREEK RESERVOIR THUNDER BASIN NO. 32 RESERVOIR THUNDER BASIN NO. 32 RESERVOIR MATHESON #228-2 STOCK RESERVOIR MATHESON #228-2 STOCK RESERVOIR MATHESON #228-2 STOCK RESERVOIR MATHESON #228-2 STOCK RESERVOIR MATHESON #228-2 STOCK RESERVOIR THUNDER BASIN NO. 32 RESERVOIR MATHESON #228-2 STOCK RESERVOIR THUNDER BASIN NO. 32 RESERVOIR MATHESON #F.S. 9-228-12 STOCK RESERVOIR MATHESON #F.S. 9-228-12 STOCK RESERVOIR MATHESON #F.S. 9-228-12 STOCK RESERVOIR MATHESON #F.S. 9-228-12 STOCK RESERVOIR SLONT STOCK PIT STOCK RESERVOIR

Status
ADJ ADJ ADJ ADJ ADJ ADJ ADJ PUD PUD ADJ ADJ ADJ ADJ PU PU PU PUD PUD PUO PUO PU PUO PU PU PUO PU PU PU PUO PUO PU PUO PU PUO UNA

Uses
STO,IRR,DOM STO,IRR,DOM IRR STO,IRR,DOM STO,IRR,DOM STO,IRR,DOM STO,IRR,DOM IRR STO,IRR,DOM IRR IRR IRR IRR IRR,STO,DOM IRR,STO,DOM IRR,STO,DOM IRR IRR IRR,STO,DOM IRR,STO,DOM STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO

Source
BLACK BUTTE CREEK PORCUPINE CREEK BLACK BUTTE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK BLACK BUTTE CREEK PORCUPINE CREEK BLACK BUTTE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK BLACK BUTTE CREEK BLACK BUTTE CREEK PORCUPINE CREEK PORCUPINE CREEK BLACK BUTTE CREEK GRAY CREEK GRAY CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK GRAY CREEK PORCUPINE CREEK GRAY CREEK STUART DRAW STUART DRAW STUART DRAW STUART DRAW NATURAL DEPRESSION DRAW

NWNW JOHN PAISLEY

NWNW JOHN PAISLEY NWNW JOHN PAISLEY NWNE NWNE JOHN PAISLEY JOHN PAISLEY

NWNW JOHN PAISLEY NENE NENE U.S.D.A. FOREST SERVICE U.S.D.A. FOREST SERVICE

SWNW USDA FOREST SERVICE NWSW USDA FOREST SERVICE NWSW USDA FOREST SERVICE SWNW USDA, FOREST SERVICE NWSW USDA, FOREST SERVICE NENE USDA, FOREST SERVICE

NWSW USDA, FOREST SERVICE NENE NESW NESW NESW NESW SESW USDA, FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE PAUL WILKINSON

Draft EIS, Wright Area Coal Lease Applications

S5-49

Supplementary Information on the Affected Environment Table S5-5. Surface Water Rights for the North Porcupine LBA Tract (Continued).
Permit
P2378S P4943R P3915S P3915S CR13/095A CR3/308A CR3/308A P33348D P4943R P4943R P4943R P9991S CR13/095A CR13/095A CR13/095A P3322R P3322R P3321R P3321R P3321R P14279D P14278D P14276D P14277D P14275D P3322R P3321R P5556S CR4/304A CR4/304A P17773S P17773S P17714S P17714S P9992S

Priority
9/10/1958 9/12/1938 8/8/1962 8/8/1962 9/12/1938 8/8/1962 8/8/1962 11/2/2005 9/12/1938 9/12/1938 9/12/1938 9/3/1986 9/12/1938 9/12/1938 9/12/1938 8/14/1916 8/14/1916 8/14/1916 8/14/1916 8/14/1916 8/14/1916 8/14/1916 8/14/1916 8/14/1916 8/14/1916 8/14/1916 8/14/1916 5/6/1966 5/6/1966 5/6/1966 1/30/2006 1/30/2006 1/30/2006 1/30/2006 9/3/1986

T
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
26 26 26 26 26 26 26 27 27 27 27 27 27 27 27 29 29 29 29 29 29 29 29 29 29 29 29 29 29 29 31 31 32 32 34

QQ
SESW PAUL WILKINSON

Applicant

Facility Name
HORSEPASTURE #1 STOCK RESERVOIR PORCUPINE RESERVOIR WILKINSON #264-2 STOCK RESERVOIR WILKINSON #264-2 STOCK RESERVOIR PORCUPINE RESERVOIR WILKINSON #264-2 STOCK RESERVOIR WILKINSON #264-2 STOCK RESERVOIR PORCUPINE CREEK WATER HAUL PORCUPINE RESERVOIR PORCUPINE RESERVOIR PORCUPINE RESERVOIR WILKINSON #9-264-9 STOCK RESERVOIR PORCUPINE RESERVOIR PORCUPINE RESERVOIR PORCUPINE RESERVOIR CAMERON RESERVOIR CAMERON RESERVOIR CLAY RESERVOIR CLAY RESERVOIR CLAY RESERVOIR CAMERON DITCH NO. 4 CAMERON DITCH NO. 3 CAMERON DITCH NO. 1 CAMERON DITCH NO. 2 CLAY DITCH CAMERON RESERVOIR

Status
UNA ADJ PU PUO ADJ PU PUO UNA ADJ ADJ ADJ GST ADJ ADJ ADJ PU PU PU PU PU PUD PUD PUD PUD PUD PUO PUO ADJ PU PUO UNA UNA UNA UNA GST

Uses
STO STO STO STO STO STO STO IND,TEM STO STO STO STO STO STO STO IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR STO STO STO STO STO STO STO STO

Source
PORCUPINE CREEK PORCUPINE CREEK WINDMILL DRAW WINDMILL DRAW PORCUPINE CREEK WINDMILL DRAW WINDMILL DRAW PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PEARL DRAW PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK CAMERON CREEK CAMERON CREEK CAMERON CREEK CAMERON CREEK CAMERON CREEK CAMERON CREEK CAMERON CREEK CAMERON CREEK CAMERON CREEK CAMERON CREEK CAMERON CREEK CAMERON CREEK BLACK BUTTE CREEK BLACK BUTTE CREEK BLACK BUTTE CREEK SHADOW DRAW SHADOW DRAW CAMERON CREEK CAMERON CREEK SODERBERG DRAW

NWSW STEVE NIEMCYK NENE NENE USDA FOREST SERVICE USDA FOREST SERVICE

NWSW POWDER RIVER COAL CO. NENE NENE SENE SWNE SENE NESE SWSE SENE NESE SWNE NENE NWNE SWNE SENW NESW NENE NENE NWNE NENE SWNE NENE SWNE NWNW NWNW NWNW NESW SESW SENW SWNW SWNW USDA, FOREST SERVICE USDA, FOREST SERVICE E.H. OFTEDAL & SONS, INC. STEVE NIEMCYK STEVE NIEMCYK STEVE NIEMCYK USDA, FOREST SERVICE POWDER RIVER COAL CO. POWDER RIVER COAL CO. POWDER RIVER COAL CO. MARY PAISLEY MARY PAISLEY MARY PAISLEY MARY PAISLEY MARY PAISLEY MARY PAISLEY MARY PAISLEY MARY PAISLEY MARY PAISLEY MARY PAISLEY MARY PAISLEY MARY PAISLEY

CLAY RESERVOIR MATHESON #F.S.9-228-6 STOCK USDA FOREST SERVICE RESERVOIR MATHESON #F.S.9-228-6 STOCK USDA, FOREST SERVICE RESERVOIR MATHESON #F.S.9-228-6 STOCK RESERVOIR USDA, FOREST SERVICE DILTS 23-31-4271 STOCK JERRY AND BARBARA DILTS FAMILY LTD. PARTNERSHIP RESERVOIR DILTS 23-31-4271 STOCK JERRY AND BARBARA DILTS FAMILY LTD. PARTNERSHIP RESERVOIR DILTS 22-32-4271 STOCK RESERVOIR JERRY & BARBARA DILTS FAMILY LTD. PARTNERSHIP DILTS 22-32-4271 STOCK RESERVOIR JERRY & BARBARA DILTS FAMILY LTD. PARTNERSHIP WILKINSON #9-264-10 STOCK USDA, FOREST SERVICE RESERVOIR

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S5-5. Surface Water Rights for the North Porcupine LBA Tract (Continued).
Permit
P27435D P27435D P27435D P27435D P32524D P32523D

Priority
12/17/1981 12/17/1981 12/17/1981 12/17/1981 7/17/2000 7/17/2000

T
42 42 42 42 42 42

R
71 71 71 71 71 71

S
36 36 36 36 36 36

Applicant

Facility Name
PORCUPINE CREEK WATER HAUL PORCUPINE CREEK WATER HAUL PORCUPINE CREEK WATER HAUL PORCUPINE CREEK WATER HAUL NARC SECTION 36 ALLUVIAL DEWATERING SUMPS K-T NARC SECTION 36 ALLUVIAL DEWATERING SUMPS A-J

Status
PU PU PU PU UNA UNA

Uses
TEM,IND,MIS TEM,IND,MIS TEM,IND,MIS TEM,IND,MIS IND,PCT IND,PCT

Source
PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK LITTLE GROS VENTRE RIVER/ FLAT CREEK LITTLE GROS VENTRE RIVER/ FLAT CREEK

SWSW CAMPBELL COUNTY ROAD & BRIDGE NWNW CAMPBELL COUNTY ROAD & BRIDGE SWNW CAMPBELL COUNTY ROAD & BRIDGE NWSW CAMPBELL COUNTY ROAD & BRIDGE WY STATE LANDS & INVESTMENTS** POWDER RIVER NWNE COAL CO. NORTH ANTELOPE/ROCHELLE COMPLEX WY STATE LANDS & INVESTMENTS** POWDER RIVER NWNE COAL CO. NORTH ANTELOPE/ROCHELLE COMPLEX

Draft EIS, Wright Area Coal Lease Applications

S5-51

Supplementary Information on the Affected Environment
Notes for Non Mining-related Surface Water Rights within 3 Miles of the North Porcupine LBA Tract Search Conducted August 2, 2008 Surface Water Right Township 41N 41N 41N 42N 42N
42N

Search Area: Range Sections 69W 5-7
70W 1-12, 18
71W 1-18
69W 7, 17-20, 29-32
70W 1-36

71W 1-5, 7-36

Water rights were searched to the nearest quarter-quarter of each section listed above. Any part of a quarter-quarter that lies within three miles of the LBA tract is included. Record suffixes are denoted as follows: "A" Adjudicated (finalized) rights; unless the right is a territorial appropriation, there will be a match in the reference column from one of the following permit types for the unadjudicated portion "D" Ditch or pipeline permit "E" Enlargement of a ditch or pipeline permit "R" Reservoir permit "S" Stock reservoir permit Status Codes
ABA AME CAN ELI GST PU PUD PUO TEM UNA Abandoned Amended (moved) Cancelled Eliminated Good standing Point of use non irrigation (not actual status) Point of diversion (not actual status) Point of reservoir outlet (not actual status) Temporary Unadjudicated A&C ADJ DSC EXP REJ Abandoned and Cancelled Adjudicated Description Expired Rejected

TRA Transferred

Use Codes
DOM RES Domestic Reservoir supply IRR Irrigation STO Stock

Approximately 36 separate water rights with a status code of ABA, A&C, AME, CAN, ELI, EXP, REJ, or TRA have been eliminated from the search area listing provided above (including those belonging to the mining companies), as none of these use codes represent a valid current right. The following quarter-quarters are designated by the “QQ” field: 1 NE¼NE¼ 9 NE¼SW¼ 2 NW¼NE¼ 10 NW¼ SW¼ 3 SW¼NE¼ 11 SW¼ SW¼ 4 SE¼NE¼ 12 SE¼ SW¼ 5 NE¼NW¼ 13 NE¼SE¼ 6 NW¼NW¼ 14 NW¼SE¼ 7 SW¼NW¼ 15 SW¼SE¼

SE¼NW¼

SE¼SE¼

S5-52

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment S5-6 ALLUVIAL VALLEY FLOORS Under the Surface Mining Control and Reclamation Act of 1977 (SMCRA), surface coal mining operations that would interrupt, discontinue, or preclude farming on alluvial valley floors (AVFs) is prohibited unless the affected AVF is undeveloped rangeland that is not significant to farming or if the affected AVF is of such small acreage that it would have a negligible impact on a farm’s agricultural production. These restrictions also apply if AVFs that are downstream of the area proposed for mining would be affected by disruptions in streamflow. Provided Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD) determines that an AVF is not significant to agriculture, it can be disturbed by mining but must be restored as part of the reclamation process. For any designated AVF, regardless of its significance to agriculture, it must be demonstrated that the essential hydrologic functions of the AVF, both within and outside the mine area, will be protected. WDEQ regulations define AVFs as unconsolidated stream laid deposits where water availability is sufficient for subirrigation or flood irrigation agricultural activities. Guidelines established by the Office of Surface Mining Reclamation and Enforcement (OSM) and WDEQ/LQD for the identification of AVFs require detailed studies of geomorphology, soils, hydrology, vegetation, and land use. These studies are used to identify: 1) the presence of unconsolidated streamlaid deposits, 2) the possibility for artificial flood irrigation, 3) past and/or present flood irrigation, and 4) apparent subirrigated areas and the possibility for natural flood irrigation. Areas that are identified as AVFs following these studies are evaluated for their significance to farming by WDEQ/LQD. In a decision by the U.S. District Court for the District of Columbia, Civil Action Number 69-1144 (1980) (known as the Flannery Decision), the court noted that an AVF must satisfy both geologic criteria (unconsolidated stream laid deposits) and hydrologic criteria (water sufficient to sustain agriculture). Therefore, the court emphasized that the key to the existence of an AVF is the presence of both geologic and water availability characteristics, which together sustain agricultural activities. Approximately 6,221 acres, or about 84 percent of the 7,367-acre BLM study area for the North Porcupine LBA Tract, drain to Porcupine Creek. A short reach of the Porcupine Creek channel, which is a meandering ephemeral stream in this area, flows southeastward across the western portion of the North Porcupine LBA Tract. Several ephemeral tributaries of Porcupine Creek (Gray Creek, Rat Draw, Boss Draw, Corder Creek, Payne Draw, and Chipmunk Draw) also cross the tract. The extreme northeastern portion of the tract’s general analysis area is drained by ephemeral tributaries of Little Thunder Creek. There are also some areas in the eastern portion of the general analysis area that do not contribute runoff to any stream and playas have formed in the lowest portions of these non-contributing drainage areas.

Draft EIS, Wright Area Coal Lease Applications

S5-53

Supplementary Information on the Affected Environment The valley floor of Porcupine Creek contains appreciable amounts of alluvium both in width and depth, and the alluvial deposits contain much more coarse material than the other smaller ephemeral streams that drain most of the general Wright analysis area. The most significant alluvial aquifer in the general Wright analysis area is that associated with Porcupine Creek. Downstream of the North Porcupine tract, where the stream has been disturbed by the active North Antelope Rochelle Mine operation (as depicted on Figure S5-3), the alluvium was up to 1,000 feet wide, up to 12 feet thick, and composed primarily of coarse-grained sand (BLM 1998). Alluvium is also present along the lower-most reaches of Porcupine Creek’s larger tributaries. Studies conducted by PRC on the alluvium of Porcupine and Corder creeks, downstream of the North Porcupine tract, indicate that the hydraulic conductivity of Porcupine Creek alluvium is variable, ranging from 1.1 to 13.0 ft/day (BLM 1998). The Porcupine Creek alluvial aquifer receives recharge from the infiltration of precipitation, from the lateral movement of groundwater that discharges from the adjacent Wasatch Formation overburden, and from the infiltration of surface flow within the stream channel. Lesser quantities of unconsolidated stream laid deposits (primarily colluvial, sheetwash, and playa deposits) that are associated with other smaller drainages in the area are generally thin, fine grained, and not laterally extensive enough to store or yield groundwater. The quality of Porcupine Creek alluvial groundwater is generally suitable for livestock and wildlife use, but the concentration of sulfate typically exceeds the agricultural use standard. The TDS concentrations of alluvial groundwater quality samples collected by the North Antelope Rochelle Mine downstream of the LBA tract range from about 1,000 mg/L to 37,000 mg/L with an average of approximately 5,350 mg/L (Ogle and Calle 2006). Investigations have been conducted by PRC to determine the presence of AVFs within and surrounding the North Antelope Rochelle Mine permit area. The identification of AVFs was extended to areas adjacent to the current permit area, extending from ½ mile upstream of the current permit boundary on Porcupine Creek downstream to Porcupine Creek’s confluence with Antelope Creek, and along 4 miles of Antelope Creek adjacent to the mine’s railroad spur (PRCC 2004). The BLM study area for the North Porcupine LBA Tract is completely within North Antelope Rochelle Mine’s existing permit area. Therefore, the length of Porcupine Creek and the lower reaches of its tributaries that cross the North Porcupine LBA Tract (e.g., Payne Draw, Corder Creek, Boss Draw, Rat Draw, Chipmunk Draw, and Gray Creek) have been formally investigated for the presence of AVFs. The reports of these studies are contained in North Antelope Rochelle Mine’s WDEQ/LQD mine permit (PRC 2004). Figure S5-3 depicts the approximate extent of declared AVFs along Porcupine and Antelope creeks within and adjacent to the mine’s permit area. No declared AVFs occur within the North Porcupine LBA Tract. Within PRC’s AVF study area, a total of approximately 100 acres of declared AVF occur along the lower reach of Porcupine Creek and Antelope Creek (Figure S5-3). The lower reach of Porcupine Creek, including a 250-acre hay meadow located near the stream’s confluence with Antelope Creek, has been S5-54 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment declared an AVF that is significant to agriculture. The hay meadow, which is the only flood irrigated land in the mine’s permit area, is irrigated with water stored in Porcupine Reservoir. Within the North Antelope Rochelle Mine’s permit area, there are no hay lands, crop lands, or pasture lands where vegetative species have been intentionally introduced, as flood irrigation is not practical. Special measures have been designated to ensure that the mine operation will not interrupt or preclude farming on these flood-irrigated lands, and Porcupine Creek downstream from the mine’s facilities area will not be affected by mining. These AVF investigations concluded, and WDEQ has concurred, that the areas adjacent to Porcupine Creek upstream of the designated AVF and all of its tributaries (including Chipmunk Draw, Gray Creek, Rat Draw, Boss Draw, Corder Creek, and Payne Draw) do not meet the definition of an AVF because of: 1) the presence of an incised channel and lack of adequate topographic conditions, 2) relatively flat contributing drainage area, thus limited water availability, 3) soil quality too poor to support flood irrigation, 4) insufficient width of unconsolidated stream laid deposits to consider flood irrigation, and 5) lack of sufficient areas of sub irrigation. Mining was allowed on Porcupine Creek because the entire area affected by the North Antelope Rochelle Mine consists of undeveloped rangeland. PRC submitted, and the WDEQ approved a plan to preserve the essential hydrologic functions of the AVF along Porcupine Creek in 1984, including the landform necessary for artificial flood irrigation and the alluvial material necessary for subirrigation. Sections of Porcupine Creek have been mined through and restored. The following discussions were taken from the North Antelope Rochelle Mine Permit (PRC 2004). Stream Laid Deposits and Geomorphology The extent of stream laid deposits along Porcupine Creek within the AVF study area was mapped with the aid of color infrared aerial photographs, field observations and surficial geologic and geomorphic mapping. The study area along Porcupine Creek displays topographic morphology indicating two distinct valley fill types: 1) The reach of the valley floor downstream of the southeast quarter of Section 26, T.42N., R.71W., to the stream’s mouth varies in width from 500 feet to slightly over 1,000 feet. Significant portions of the upper terrace possess little to no vegetation. The lack of vegetation is testimony to the effects of wind erosion and poor soil quality. In the lower study reach, the Porcupine Creek valley fill typically consists of a surficial layer of uniform fine sand and silt of variable thickness. The surface of this unit sometimes displays a poorly developed organically Draft EIS, Wright Area Coal Lease Applications S5-55

Supplementary Information on the Affected Environment darkened soil horizon. The predominantly dry, well-sorted, light-colored surficial sands typify eolian deposits. Underlying the eolian deposits is alluvium consisting of brown, stratified, poorly-sorted sandy clay and silty clay with sparse, thin, very fine sand lenses. These materials in turn overlie moderately well sorted, lighter brown, predominantly medium grained sands. The lower zone also contains a moderate amount of coarse sand, occasional well-rounded pebbles and gravel particles. The larger sized pebbles and fine gravel include sub rounded to well-rounded clasts of igneous, metamorphic and Paleozoic rock as well as angular to sub angular rock fragments of tan to brown, very fine-grained, moderately well cemented sandstone and siltstone derived from local sources. 2) Upstream of the southeast corner of Section 26, T.42N., R.71W., the sparsely vegetated valley floor broadens dramatically to approximately 5,000 feet within the upper reach. The channel is incised into the broad, low-relief plain to a depth of approximately 10 to 15 feet. The thalweg of the channel within the upper reach exhibits a series of discontinuous ponds in segments scoured by unusually high stream discharge. The ponds are typically separated by grass-lined channels. The sparsely vegetated areas exhibit faint sub-parallel orientation of plant communities indicating a strong prevailing northwest wind component. This low-relief plain is interpreted as a recently developed, eolian deflation surface. The entire width of this broad, low relief surface is covered by a layer of eolian-origin sands and silts. In the north portion of this plain, a band of coarse sandy alluvial fill 1,000 to 1,200 feet wide is located under the abandoned (possibly due to the location of the railroad culvert) Porcupine Creek channel. To the south, in the vicinity of the active Porcupine Creek channel, the valley fill materials are comprised of the eolian surface layer underlain by sandy clay deposits. These sandy clays contain significant quantities of displacive gypsum. These salty, sandy clays typify playa fill deposits and as such, were not mapped as stream laid deposits. Based on these subsurface observations, only the coarse-grained alluvial materials in the north portion of the valley fill were mapped as stream laid deposits, with the remainder mapped as playa fill. Approximately 451.5 acres of stream laid deposits are present along Porcupine Creek within the entire AVF study area. Extent of Subirrigation Subirrigation was mapped with the aid of color infrared aerial photographs, field observations and depth-to-water measurements. On the color infrared photographs, areas mapped as subirrigated appear as a red band along the stream channel. The determination of the limits of subirrigation for the purposes of AVF delineation is complicated by the presence of apparently subirrigated vegetation existing outside of the limit of stream laid deposits on Porcupine Creek. There are approximately 11.46 acres of subirrigation within the extent S5-56 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment of stream laid deposits and an additional 7.99 acres of subirrigation outside of the limit of the stream laid deposits within the study area. Extent of Natural and Artificial Flood Irrigation No current or historical irrigation structures are present along Porcupine Creek within North Antelope Rochelle Mine’s AVF study area. Past attempts to divert water from Porcupine Creek and its tributaries downstream of the study area for irrigation purposes have met with little or no success. Reasons for the lack of success are low annual stream flows (approximately 6 ac-ft/yr at Station GS 1), erratic character of stream flow, topography that is not conducive to irrigation agricultural activities, and changes in the watercourse due to erosion of the soft and sandy valley bottom soils. Throughout most of the study area, Porcupine Creek is incised, which makes it difficult to construct stable diversion structures. If overbank flows occur with sufficient frequency and duration to significantly increase forage production adjacent to streams, this natural flood irrigation can be considered a flood irrigation agricultural activity. Historically, the 2-year runoff event occurs with sufficient frequency and duration to be considered agriculturally useful if it inundates a significant area. Given the incised nature of the Porcupine Creek channel, and the low discharge of the 2-year, 24-hour flood, there is a limited inundated area adjacent to the Porcupine Creek channel that could be considered naturally flood irrigated. WDEQ has suggested that the 2-year, 6-hour flood value is the closest estimate to what is actually available for irrigation for limited periods during the growing season. The 2-year, 6-hour peak flow for Porcupine Creek near the lower permit boundary at station GS-5 is 160 cfs without considering upstream reservoirs. A HEC-RAS (flood model) analysis of Porcupine Creek indicates that the top width of the average flow is only 120 feet throughout the study reach, which indicates that the 2-year 6-hour flow is primarily confined to the channel. The area inundated by the 2-year event is 75.76 acres. There are no significant areas outside of the channel of Porcupine Creek that are inundated by the 2 year flood. Thus, there is no potential for natural flood irrigation to occur at sufficiently frequent intervals to facilitate the growth of vegetation other than very close to the stream channel. No agricultural activities have occurred or are likely to occur as a result of natural flood irrigation along Porcupine Creek within the area of study. In a letter dated March 4 1980, District Conservationist Richard Gray wrote a description of the nature of the Porcupine Creek drainage. He indicated that the soils in the area were saline and that the valley floor was narrow, making it of low value for intensive management. There is no flood irrigation agricultural activity historically or presently documented within the study area, which is due to an obvious lack of water and soil types not conducive to flood irrigation.

Draft EIS, Wright Area Coal Lease Applications

S5-57

Supplementary Information on the Affected Environment Surface Water Quality Surface water sampling has been conducted at surface water monitoring Station GS-1. Sampling was started in 1980 when this stream-flow gaging station was installed and continues to the present. Samples were routinely collected throughout a year. The TDS concentration and the sodium adsorption ratio (SAR) at station GS-1 for the sampling period 1980-1995 were 5,180 mg/l and 7.51, respectively. These parameters, particularly SAR, are typically used to indicate the suitability of water for irrigation purposes. The SAR is indicative of the amount of exchangeable sodium in solution. High SAR values indicate water that is high in sodium and low in calcium and/or magnesium. If water used for irrigation has a high SAR, the cation exchange process may replace the calcium and /or magnesium in the soil with sodium, thus destroying the soil structure and producing harmful effects to vegetation. The TDS and SAR values are high at Station GS-1. The analytical results of the sampling data for the selected sampling sites are presented in Appendix D6 of the North Antelope Rochelle Mine permit. Water quality during low-flow periods is based on samples taken from channel pools during times of no flow. This generally indicates water that exceeds irrigation standards. At higher flows, chemical quality of surface water improves, but the higher flows are usually destructive and not agriculturally useful without the use of storage. Groundwater Quality The groundwater found in the alluvial aquifer in most cases is not suitable for irrigation. Due to the high TDS concentrations of the alluvial groundwater in the mine’s permit area, the water in the subsurface is Class III or below, indicating the water is suitable for livestock purposes at best. Even the maximum TDS concentration for this class of use (5,000 mg/l) is exceeded at several wells, suggesting the water may be unusable even by livestock. The water quality in the alluvium of Porcupine Creek is typical of alluvial systems in the Powder River Basin, wherein dissolved solids in the alluvial aquifer are concentrated through evapotranspiration. Apparently, the alluvium receives recharge from surface water infiltration during periods of runoff and possibly from the adjacent overburden strata and underlying sand aquifer units. Through the growing season, water stored in the alluvial aquifer is removed by evapotranspiration, leaving dissolved solids behind. Essential Hydrologic Functions The hydrologic function of Porcupine Creek is to convey runoff to maintain the surface water balance and to support a narrow band of subirrigation along the stream banks. The limited amount of subirrigated vegetation occurs in isolated pools occurring in and around the immediate channel bottom. The water in the pools is apparently supplied by discharges from bank storage and surface flows. Underflow in the alluvial aquifer out of the study area is minimal. S5-58 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment S5-7 WETLANDS The federal and state regulatory programs, which are administered by the U.S. Army Corps of Engineers (COE) and Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD), respectively, that require special permitting procedures to assure that after mining there are no net loss of wetlands are described in Section S1-7. A description of wetland types and Other Waters of the United States (OWUS) from a permitting perspective is also given in Section S1-7. Porcupine Creek, which is an ephemeral stream in its upper reaches and an intermittent stream in its lower reaches, flows from northwest to southeast through the North Antelope Rochelle Mine’s permit area and empties into Antelope Creek approximately 9 miles southeast of the North Porcupine LBA Tract. The entire BLM study area for the North Porcupine LBA Tract is within the mine’s current permit area. A short reach of Porcupine Creek, which is a meandering ephemeral stream in this area, flows across the western portion of the North Porcupine LBA Tract. Several tributary streams to Porcupine Creek also cross the LBA tract. Figure 3-31 in the WAC DEIS depicts the surface water features within and adjacent to the North Porcupine LBA Tract. School Creek, an ephemeral tributary of Little Thunder Creek, drains the northeastern-most portion of the LBA tract. Formal jurisdictional wetland delineation surveys covering North Antelope Rochelle Mine’s current permit area and some additional adjacent lands were completed by PRC and submitted to the COE for verification in 1996, 1997, 2000 and 2004. These wetland delineations and the COE’s respective letters of verification summarizing the acreage figures of approved jurisdictional determinations are included in Appendix D-10 of the mine’s permit (PRC 2004). According to the COE’s latest (October 12, 2004) jurisdictional determination, there is a total of 219.71 acres of jurisdictional wetlands and OWUS within the mine’s current permit area. Of those 219.71 acres, there are 77.84 acres of riverine wetlands, 26.99 acres of stockpond wetlands, 11.42 acres of riverine open water OWUS, 44.62 acres of stockpond open water OWUS, and 58.84 acres of ephemeral stream channel OWUS. There are also 20.92 wetland acres and 1.33 open water acres of non-jurisdictional playa/depressional features. The wetlands analysis area for the North Porcupine LBA Tract lies completely within North Antelope Rochelle Mine’s current mine permit area. Therefore, these previous wetland delineation surveys provide an estimate of the acreages of wetlands and OWUS that exist within the LBA tract’s general analysis area, with the caveat that some wetland areas previously mapped may have been altered by coal bed natural gas (CBNG)-related water production within and upstream of the general analysis area. In addition to the effects from CBNGrelated water discharges, the PRB has experienced a moderate to severe drought cycle that has persisted since 2000, which may have also altered previously-mapped wetland and OWUS areas. The boundaries of some wetlands and OWUS could, therefore, vary to a greater or lesser extent from the Draft EIS, Wright Area Coal Lease Applications S5-59

Supplementary Information on the Affected Environment boundaries that existed at the time that the formal wetland delineation surveys were conducted. Most of the wetlands within the LBA tract’s general analysis area (9,021.4 total acres) are associated with the watercourses of Porcupine Creek and its tributaries. Within the general analysis area for the North Porcupine LBA Tract, there are an estimated 19.7 acres of jurisdictional wetlands and OWUS. Of those 19.7 acres, there are approximately 9.3 acres of riverine wetlands, approximately 0.9 acres of stockpond wetlands, approximately 0.9 acres of stockpond open water OWUS, and approximately 8.6 acres of ephemeral stream channel OWUS. There are also approximately 4.9 wetland acres and 1.2 open water acres of non-jurisdictional playa/depressional features. The vegetated wetland areas consist primarily of palustrine emergent herbaceous wet meadow or marsh and palustrine aquatic beds located along ephemeral stream channels and around ponds, playas and depressions, whereas the OWUS consist of dry ephemeral drainages and open water. Figure S5-4 depicts the wetlands mapping within the LBA tract’s general analysis area taken from Appendix D-10 in North Antelope Rochelle Mine’s permit (PRC 2004). S5-8 SOILS The North Porcupine tract lies within North Antelope Rochelle Mine’s current mine permit area. Therefore, the entire general analysis area for the tract (9,021.4 total acres) has been covered by baseline soil surveys completed to an Order 1-2 resolution in accordance with WDEQ/LQD Guideline No.1, which outlines required soils information necessary for a coal mining operation. Two soil surveys, which were completed in 1996 and 2001, cover most of the tract’s general analysis area and are included in the mine’s approved WDEQ/LQD mine permit. A third Order 1-2 survey that covers the balance of the tract’s general analysis area is included in the School Creek Baseline Soils Assessment (BKS 2005), which was submitted as part of the adjacent proposed School Creek Mine permit application and is currently under review by the WDEQ/LQD. The general analysis area for the North Porcupine tract has also been covered by the Natural Resource Conservation Service (NRCS) Order 3 survey of southern Campbell County (Prink et al. 2004). Soils vary depending upon where and how they were formed. Major factors involved in the formation of soils include whether or not the material was transported and how the material was weathered during transportation. Four primary soil formation processes causing different soil types were noted in this area: 1) those soils developing predominantly in thin residuum from sandstone or shale on upland ridges, 2) those soils developing predominantly in slopewash, colluvium, or alluvial fan deposits from mixed sources on gently sloping uplands, 3) those soils developing predominantly in coarse-textured alluvium or sandy eolian deposits on rolling uplands, and 4) soils developing in mixed stream laid alluvium on terraces and channels, and in fine-textured playa deposits in depressions and closed basins. S5-60 Draft EIS, Wright Area Coal Lease Applications

R. 71 W. R. 70 W.

16 16 15 14

15 18

14 13 17

21 20 21 22

22 19

28 29 28

27 30

Draft EIS, Wright Area Coal Lease Applications
34 31 32 35 36 33 34 35 36

T. 42 N.

T. 42 N. T. 41 N.

T. 41 N.
3 1 6 2 5

R. 71 W. R. 70 W.

Figure S5-4. Wetlands Within the General Analysis Area for the North Porcupine LBA Tract.

LEGEND
North Antelope Rochelle Mine Permit Boundary Existing North Antelope Rochelle Mine Federal Coal Leases North Porcupine LBA Tract Wetlands Analysis Area Boundary
12000

Ephemeral Stream Channel "Other Waters of U.S." Continuous/Nearly Continuous Ephemeral Stream Wetland

Supplementary Information on the Affected Environment

3000

6000

Wetland Mapping from North Antelope Rochelle Mine Permit, Appendix D-10, Exhibit 1 (PRC 2004)

Discontinuous Ephemeral Stream Wetlands Intermingled With Upland Channel "Other Waters of U.S." Wetland or "Other Waters of U.S." at Stockpond, Reservoir, Playa or Depression

S5-61

GRAPHIC SCALE (FEET)

Supplementary Information on the Affected Environment Soils within the general analysis area were identified by series, which consist of soils that have similar horizons in their profile. Horizons are soil layers having similar color, texture, structure, reaction, consistency, mineral and chemical composition, and arrangement in the profile. These inventories included field sampling and observations at the requisite number of individual sites, and laboratory analysis of representative collected samples. The soil depths and types in the general analysis area for the North Porcupine tract are similar to soils currently being salvaged and utilized for reclamation at the North Antelope Rochelle Mine and other mines in the eastern PRB. The following is a list of the soil types delineated in the tract’s general analysis area. The major soils series encountered within the soil survey areas were grouped according to the primary soil formation processes and are listed as follows: Soils developing predominantly in thin residuum from sandstone or shale on upland ridges and hills
     

Shingle-Rock Outcrop complex 10-60 percent slopes Shingle-Samday-Rock Outcrop, 10-30 percent slopes Shingle clay loam,10-30 percent slopes Taluce sandy loam, 10-30 percent slopes Taluce-Rock Outcrop, 10-60 percent slopes Ustic Torrifluvents-Lithic Ustic Torrifluvents-Rock percent slopes

Outcrop,

10-80

Soils developing predominantly in slopewash, colluvium, or alluvial fan deposits from mixed sources on gently sloping uplands
                  

Absted-Openay-Arvada Complex, 0-5 percent slopes Arvada (Absted) loam, 0-6 percent slopes Arvada loam, 0-6 percent slopes Bidman loam, 0-10 percent slopes Bidman loam, loamy substratum, 0-6 percent slopes Bidman-Parmleed (Briggsdale) Complex, 0-6 percent slopes Bidman-Ulm loams, 0-6 percent slopes Bowbac sandy loam, 0-6 percent slopes Bowbac sandy loam, 6-15 percent slopes Cambria clay loam, 6-15 percent slopes Cushman fine sandy loam, 6-15 percent slopes Forkwood loam, 0-6 percent slopes Forkwood-Ulm loams, 0-6 percent slopes Haverdad loam, 0-3 percent slopes Kishona clay loam, 0-6 percent slopes Parmleed clay loam, 6-15 percent slopes Parmleed loam, 0-6 percent slopes Parmleed (Briggsdale) loam, 0-6 percent slopes Parmleed (Briggsdale)-Cushman Complex, 0-6 percent slopes Draft EIS, Wright Area Coal Lease Applications

S5-62

Supplementary Information on the Affected Environment
         

Parmleed-Renohill Complex, 3-15 percent slopes Renohill clay loams, 3-15 percent slopes Renohill-Worfka clay loam, 3-15 percent slopes Silhouette clay loam, 0-15 percent slopes Theedle loam, 6-15 percent slopes Ulm loam, 0-6 percent slopes Ulm loam, 1-8 percent slopes Ulm-Renohill clay loams, 0-6 percent slopes Worfka clay loam, 3-15 percent slopes Zigweid loam, 0-20 percent slopes

Soils developing predominantly in coarse-textured alluvium and sandy eolian deposits on rolling uplands
                  

Clarkelen, 0-3 percent slopes Decolney sandy loam, 0-6 percent slopes Decolney-Hiland fine sandy loam, 0-6 percent slopes Decolney-Hiland sandy loam, 0-6 percent slopes Hiland-Vonalee fine sandy loam, 0-6 percent slopes Hiland fine sandy loam, 0-6 percent slopes Hiland sandy loam, 0-6 percent slopes Keeline-Tullock-Niobrara Complex, 3-30 percent slopes Keeline loamy sands, 6-15 percent slopes Maysdorf fine sandy loam, 0-6 percent slopes Maysdorf sandy loam, 1-8 percent slopes Pugsley fine sandy loam, 6-15 percent slopes Rauzi sandy loam, 0-6 percent slopes Terro fine sandy loam, 4-10 percent slopes Terro-Taluce sandy loam, 6-30 percent slopes Tullock loamy sands, 6-30 percent slopes Turnercrest sandy loam variant, 6-20 percent slopes Vona very fine sandy loam, 6-15 percent slopes Vonalee sandy loam, 0-10 percent slopes

Drainage soils developing in mixed stream laid alluvium on terraces and channels and in fine-textured playa deposits in depressions and closed basins


Aeric Haplaquipts, 6 percent slopes

Table S5-6 provides the extent of five depth classes of suitable topsoil within the general analysis area. Preliminary estimates indicate the average redistributed soil thickness would be about 35 inches (2.9 feet) across the entire reclaimed surface; however, soil redistribution depths would vary to mimic the premine conditions. This conservatively assumes that all acres within the analysis area would be disturbed. Areas of unsuitable soils include sites with high alkalinity, salinity, Draft EIS, Wright Area Coal Lease Applications S5-63

Supplementary Information on the Affected Environment clay content, coarse fragments, and lands previously disturbed by other activities. The tract is expected to have adequate quantity and quality of soil for reclamation. Table S5-6. Acres of Topsoil Available for Reclamation Within the General Analysis Area for the North Porcupine LBA Tract. Thickness of Suitable Topsoil (inches) 0 0 – 12 12 – 30 30 – 48 48 – 60 > 60 Total S5-9 VEGETATION The North Porcupine LBA Tract lies within North Antelope Rochelle Mine’s current mine permit area. Portions of the tract’s general analysis area (9,021.4 total acres) were previously mapped and sampled in accordance with the current Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD) mine permitting requirements. The balance of the vegetation communities in this area were appraised and mapped in 2008 by BKS Environmental Associates, Inc. of Gillette, Wyoming. Therefore, vegetation within the entire general analysis area for the tract has been assessed. Vegetation within the LBA tract’s general analysis area consists of species common to eastern Wyoming. A total of eight vegetation types have been identified and mapped within the LBA tract’s general analysis area. Table S5-7 presents the acreage and percent of the general analysis area encompassed by each vegetation type. The vegetation types (and land use) include Big Sagebrush Grassland, Upland Grassland, Salt Grassland, Meadow, Undeveloped Pastureland, Breaks Grassland, Playa Grassland, and Hayland. Disturbed and Water areas were also mapped. In terms of total acres of occurrence in the general analysis area, the predominant vegetation types are Big Sagebrush Grassland (roughly 54 percent) and Upland Grassland (roughly 32 percent), which occur primarily on the rolling upland terrain. Due to heavy rain in the spring and early summer 2007, there was an abundance of vegetation in the North Antelope Rochelle Mine area and the North Porcupine LBA Tract than has not been observed in recent years. Acres 8.67 387.02 1,809.23 1,925.33 4,891.19 0.00 9,021.44 Percent 0.10 4.29 20.05 21.34 54.22 0.00 100.00

S5-64

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S5-7. Vegetation Types Identified and Mapped Within the North Porcupine LBA Tract. Vegetation Type Big Sagebrush Grassland Upland Grassland Salt Grassland Meadow Undeveloped Pastureland Breaks Grassland Disturbed Playa Grassland Hayland Water Total These types are described as follows: The Big Sagebrush Grassland vegetation type is characterized by moderate to heavy presence of Wyoming big sagebrush (Artemisia tridentata ssp. wyomingensis) in addition to the upland grasses of the region, such as needleandthread (Hesperostipa comata), blue grama (Bouteloua gracilis), and prairie junegrass (Koeleria macrantha). The introduced forage plant crested wheatgrass (Agropyron cristatum) is frequently present as a minor grass, having been interseeded in some locations and having spread in other areas. Introduced winter annual grasses, Japanese brome (Bromus japonicus) and cheatgrass (Bromus tectorum), may be variably abundant depending on the late season moisture of the previous year or early in the current year. Plains prickly pear cactus (Opuntia polyacantha) is frequently a large component of the vegetation cover, particularly in dry years. Although forbs are a minor component, the most consistent species present are scarlet globemallow (Sphaeralcea coccinea), American vetch (Vica americana), Hoods phlox (Phlox hoodii), and slimflower scurfpea (Psoralidium tenuifolium). The native sub-shrub fringed sagewort (Artemisia frigida) is usually present in small amounts. Narrow, relatively moist environments associated with shallow depressions and swales that hold runoff water from uplands are included in the Big Sagebrush Grasslands vegetation type. Such areas not only have supplemental water but also receive soil transported from the nearby convex sites and thereby often possess greater topsoil depths. The result is higher productivity of grasses such as western wheatgrass (Elymus smithii) and needleandthread. Acres 4,858.25 2,867.36 608.30 321.17 173.61 78.39 71.81 32.82 6.90 2.83 9,021.44 Percent of Area 53.85 31.78 6.74 3.56 1.92 0.87 0.80 0.36 0.08 0.03 100.00

Draft EIS, Wright Area Coal Lease Applications

S5-65

Supplementary Information on the Affected Environment The presence of sagebrush is often related to several topographic and environmental factors. Sagebrush areas are generally concave surface topography or leeward sides of hills and contain generally finer-textured soils. Sagebrush often enhances the accumulation of snow in winter, allows greater effective soil moisture that allows deeper soil development. The Upland Grassland vegetation type is characterized by the strong dominance of needleandthread and upland sedges, especially threadleaf sedge (Carex filifolia) and needleleaf sedge (Carex stenophylla). Minor species of grass include blue grama, western wheatgrass, prairie junegrass, purple threeawn (Aristida purpurea) and Sandberg bluegrass (Poa secunda). Domesticated species such as crested wheatgrass and smooth brome (Bromus inermis) are also present. Introduced annual grasses (Japanese brome and cheatgrass) are also present. As in Big Sagebrush, forbs do not contribute a major portion of the ground cover. Besides scarlet globemallow, which is also frequent in Big Sagebrush, more commonly encountered perennial forbs include hairy goldenaster (Heterotheca villosa), American vetch, rush skeleton weed (Lygodesmia juncea), scarlet gaura (Gaura coccinea) and field chickweed (Cerastium arvense). Plains prickly pear cactus is frequently present; however, it is less abundant than in the Big Sagebrush. The native sub-shrub fringed sagewort is commonly present. Scattered individuals of Wyoming big sagebrush may be present on some sites. Environments in which this vegetation type occurs are upland, mostly convex sites that are relatively wind-exposed and are more often snow free. Soils are usually coarser in texture than in the Big Sagebrush. In the Breaks Grassland vegetation mapping units, erosional loss of soil exceeds its formation rate and the result is a "badlands" surface in which plant cover is sparser than in the Big Sagebrush and Upland Grassland. Although the total vegetation cover on these sites is lower, the diversity of vascular plant species is greater. Grasses present may include most of those found in the more extensive upland types described above (Big Sagebrush and Upland Grassland), but, in addition, such species as bluebunch wheatgrass (Elymus spicatus) and Indian ricegrass (Achnatherum hymenoides) are present. Forbs comprise slightly greater cover than elsewhere, and they are much more conspicuous. They may include species such as Louisiana sagewort (Artemisia ludoviciana), scarlet gaura, Hooker sandwort (Eremogone hookeri), scarlet globemallow, Hoods phlox, hairy goldenaster, and slimflower scurfpea. Subshrubs are diverse also and often include birdsfoot sagewort (Artemisia pedatifida), winterfat (Krascheninnikovia lanata), and broom snakeweed (Gutierrezia sarothrae) along with the widespread fringed sagewort. Shrubs include Wyoming big sagebrush, four-wing saltbush (Atriplex canescens), and rubber rabbitbrush (Ericameria nauseosus).

S5-66

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment The Salt Grassland vegetation type is confined to locations where the soil parent materials is apparently derived from a stratum with higher inherent salt content and is located near minor drainages or areas with a seasonally high water table. As a consequence, the Salt Grassland vegetation type resembles the Upland Grassland with generally less shrub cover and is instead co dominated by inland saltgrass (Distichlis stricta), western wheatgrass and blue grama. In some slightly concave sites, the inland saltgrass cover is dense and may be accompanied by substantial amounts of alkali sacaton (Sporobolus airiodes). Salt efflorescence is present on the soil surface in occasional portions of this type. The Meadow vegetation type is confined to ephemeral drainage bottoms and terraces. The vegetation in this type is very similar to the Upland Grassland. This vegetation type is characterized by a strong dominance of western wheatgrass. Other species that may occur include crested wheatgrass, bluebunch wheatgrass, common spikerush (Eleocharis acicularis), foxtail barley (Hordeum jubatum), blue grama, purple threeawn, needleandthread, prairie chordgrass (Spartina pectinata), scarlet gaura, dandelion (Taraxacum officinale), prairie coneflower (Ratibida columnifera), Louisiana sagewort, and American vetch. Shrubs include Wyoming big sagebrush, four-wing saltbush and silver sagebrush (Artemisia cana). The Undeveloped Pastureland vegetation type is located in the western portions of the LBA tract’s general analysis area. This vegetation type is described as previously developed land that was used for livestock grazing. This type has not been maintained and has been allowed to return to its naturally undeveloped state. Crested wheatgrass is the dominant plant species in this vegetation type. These areas probably were originally part of the Big Sagebrush vegetation type. The purpose of the conversion in general has been to elicit greater livestock forage production capability and eliminate nonpalatable species such as sagebrush and cactus. With the passage of time, native plants including sagebrush and cactus as well as most of the native grasses return slowly and the area begins to resemble the Big Sagebrush vegetation type again. The areas included in this mapping unit are dominated by crested wheatgrass. With the abundance of both CBNG development and traditional oil and gas extraction in the area, networks of Disturbed Area overlay much of the Big Sagebrush and Upland Grassland vegetation types. Disturbance consists primarily of major roads and well pads that are stabilized with gravel or reclaimed. There are also small tank batteries and numerous miles of pipeline disturbance that, to varying degrees, are recovering vegetation cover. The term Playa Grassland is applied, as is the custom in the Northern Great Plains, to relatively small interior draining sites in which runoff from adjacent gentle slopes accumulates along with transported clay-size soil particles. Over time, the build-up of fines in the bottoms of these depressions produces a very heavy soil that supports nearly pure stands of western wheatgrass, a grass Draft EIS, Wright Area Coal Lease Applications S5-67

Supplementary Information on the Affected Environment particularly well-adapted to heavy clay soil. Other species that may occur in minor amounts include Sandberg bluegrass, foxtail barley, common spikerush (Eleocharis palustris), slender spikerush, scarlet globemallow, American vetch, and dandelion. The Hayland vegetation type is used for forage production and is occasionally grazed. Crested wheatgrass is the dominant species in this vegetation type. It is likely that these areas were plowed and seeded to crested wheatgrass. The purpose of this conversion was to elicit greater livestock forage production. Native species over time have also returned slowly to the area. Some of the common reinvading native species are needleandthread, western wheatgrass, and threeawn (Aristida sp.). Open Water is, to a large degree, a recent development related to the onset of CBNG development in the area. Extracted groundwater from coal seams has largely been liberated on the surface within ephemeral drainages and/or dams. S5-10 WILDLIFE S5-10.1 Wildlife Resources Background information on wildlife in the vicinity of the North Porcupine LBA Tract was drawn from several sources, including Wyoming Game and Fish Department (WGFD) and U.S. Fish and Wildlife Service (USFWS) records, the Wyoming Natural Diversity Database (WYNDD), recent PRB federal coal lease application EIS documents (available for public review on Wyoming BLM’s website at http://www.blm.gov/wy/st/en.html), and personal contacts with WGFD and USFWS biologists. Site-specific data for the LBA tract’s general analysis area were obtained from several sources, including current survey results as well as historical information from WDEQ/LQD mine permit applications and annual wildlife monitoring reports for the nearby coal mines. Annual wildlife surveys at the adjacent North Antelope Rochelle Mine have been ongoing since 1984, and included the current mine permit area and a 1 or 2-mile perimeter, depending on the species. Because the North Porcupine LBA Tract configured under Alternative 2, BLM’s preferred alternative, is completely within the North Antelope Rochelle Mine’s existing permit area, the entire tract and all but the southwestern corner of its corresponding 2-mile perimeter (wildlife survey area) have also received extensive coverage during annual wildlife monitoring surveys for nearly 25 years. Powder River Coal, LLC (PRC) commissioned Thunderbird, Jones & Stokes (J&S) to conduct baseline wildlife surveys during 2007 and 2008 expressly for the North Porcupine LBA Tract. These surveys covered the tract’s general analysis area, and surveys for selected wildlife information such as raptor nests, sage-grouse leks, and prairie dog colonies included in a 2-mile perimeter surrounding the general analysis area. In an undisturbed condition, the major vegetation types in the tract’s general analysis area provide habitats of varying quality for many species. Because S5-68 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment vegetation types tend to occur in a broad mosaic across the landscape, many wildlife species can be expected to utilize more than one habitat type. Predominant habitat types classified on the North Porcupine LBA Tract and adjacent area correspond with the major plant communities defined during the vegetation baseline survey and consist primarily of Big Sagebrush Grassland (roughly 54 percent) and Upland Grassland (roughly 32 percent). Wyoming big sagebrush and native upland grasses characterize the big sagebrush grassland. The upland grassland is characterized by the dominance of needleandthread and upland sedges. Roads and disturbed drill hole sites associated with oil and gas development, both historic and recent, occur within the LBA tract and represent varying degrees of recovering vegetative cover. No designated crucial or unique wildlife habitats are present. The North Porcupine tract’s general analysis area and the majority of the existing North Antelope Rochelle Mine’s permit area are located in the Porcupine Creek watershed. Porcupine Creek is an ephemeral stream in its upper reaches and an intermittent stream in its lower reaches. All streams within the general analysis area are ephemeral. All water bodies within and immediately adjacent to the LBA tract provide short-term habitat of variable quality for migrating waterfowl, shorebirds, and other aquatic species (birds, fish, herptiles) during spring but are less reliable, and often dry, during other seasons. S5-10.2 Big Game The two big game species that are common in suitable habitat throughout the general analysis area for the North Porcupine tract are pronghorn (Antilocapra americana) and mule deer (Odocoileus hemionus). Elk (Cervus elaphus) wonder from the protection of the Rochelle Hills east of the general analysis area to forage in native and reclaimed grasslands in the vicinity of LBA tract. Whitetailed deer (Odocoileus virginianus) are transients in the area due to their preference for riparian woodlands and irrigated agricultural lands. No crucial big game habitat or migration corridors are recognized by the WGFD in this area. Crucial range is defined as any particular seasonal range or habitat component that has been documented as the determining factor in a population’s ability to maintain and reproduce itself at a certain level. Pronghorn are by far the most common big game species in this area. This species is most abundant in the sagebrush shrubland or mixed prairie grassland habitats. Reclaimed grassland constitutes only a small portion of the available habitat around the PRB mines, although pronghorn are observed during all seasonal surveys in these areas. Home range for pronghorn can vary between 400 acres to 5,600 acres, according to several factors including season, habitat quality, population characteristics, and local livestock occurrence. Typically, daily movement does not exceed 6 miles. Pronghorn may make seasonal migrations between summer and winter habitats, but migrations are often triggered by availability of succulent plants and not local weather conditions (Fitzgerald et al. 1994). The WGFD has classified the North Draft EIS, Wright Area Coal Lease Applications S5-69

Supplementary Information on the Affected Environment Porcupine tract’s general analysis area as primarily yearlong pronghorn range (a population or substantial portion of a population of animals makes general use of this habitat on a year-round basis, but may leave the area under severe conditions on occasion) and winter/yearlong pronghorn range (a population or a portion of a population of animals makes general use of this habitat on a year-round basis, with a significant influx of additional animals onto this habitat from other seasonal ranges in the winter). The North Porcupine tract is included within the WGFD Cheyenne River Herd Unit (pronghorn Hunt Area 27). In post-season 2007, the WGFD estimated the Cheyenne River Herd Unit population to be 55,287, which is above 45 percent above the WGFD objective of 38,000 animals (WGFD 2007a). Mule deer use nearly all habitats, but prefer sagebrush grassland, rough breaks, and riparian bottomland. Browse is an important component of the mule deer’s diet throughout the year, comprising as much as 60 percent of total intake during autumn, while forbs and grasses typically make up the rest of their diet (Fitzgerald et al. 1994). Mule deer are frequently observed on mine reclaimed lands. In certain areas of the state this species tends to be more migratory than white-tailed deer, traveling from higher elevations in the summer to winter ranges that provide more food and cover. However, monitoring has indicated that mule deer are not very migratory in the vicinity of the tract’s general analysis area. The WGFD has classified a majority of the general analysis area as being out of normal mule deer use range and a portion as being yearlong mule deer use range. The North Porcupine tract is located within the WGFD Thunder Basin Mule Deer Herd Unit (deer Hunt Area 10). No crucial or critical mule deer ranges or migration corridors occur on or within several miles of the tract’s general analysis area. The WGFD estimated the 2007 post-season mule deer population in this herd unit at 20,980, which is slightly above the current objective of 20,000 (WGFD 2007a). The North Porcupine LBA Tract’s general analysis area is located within the WGFD Central White-tailed Deer Herd Unit (deer Hunt Area 10). White-tailed deer are managed and hunted in conjunction with mule deer. White-tailed deer prefer riparian habitats and are therefore seldom observed in the general analysis area due to the lack of that particular habitat. The WGFD classifies the entire general analysis area as out of the normal white-tailed deer use range. A narrow corridor along Antelope Creek south of the tract’s general analysis area is classified as yearlong range. White-tailed deer have rarely been recorded in the general analysis area. The WGFD does not have population estimates for this herd unit due to the challenges of obtaining adequate classifications in many hunt areas within the herd unit. A resident elk herd resides in the Rochelle Hills east of the North Porcupine tract’s general analysis area. None of the tract’s general analysis area is classified by the WGFD as within normal elk use range, although elk do wander from the protection of the Rochelle Hills to forage in native and reclaimed grasslands in the vicinity of the LBA tract. As more lands are reclaimed from mining, elk are shifting their winter use to these areas. The S5-70 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment WGFD has designated an approximately 5 square mile area on reclaimed lands within the Jacobs Ranch Mine permit area as crucial winter habitat for the Rochelle Hills elk herd (Odekoven 1994). RTEA (owner of the Jacobs Ranch Mine) and the Rocky Mountain Elk Foundation (RMEF) finalized a formal agreement that created the Rochelle Hills Conservation Easement. The easement contains nearly 1,000 acres, with 75 percent of that total comprised of reclaimed mining lands on RTEA’s Jacobs Ranch Mine. The easement acreage was donated to RMEF by RTEA to ensure that the reclaimed land continues to be used as grazing land and wildlife habitat for the extended future (RMEF 2007). The Jacobs Ranch Mine is located about 7 miles north of the general analysis area (see Figure S-1). Elk have been observed within the general Wright analysis area in recent years, but they are typically restricted to the pine breaks just east of the Coal Creek, Jacobs Ranch, Black Thunder, and North Antelope Rochelle mines. The WGFD estimated the 2007 post-season elk population for the Rochelle Hills Herd Unit at 600, which is 50 percent above the current objective of 400 animals (WGFD 2007a). S5-10.3 Other Mammals A variety of small and medium-sized mammal species occur in the vicinity of the North Porcupine LBA Tract, although not all have been observed on the general analysis area for the tract itself. These include predators and furbearers, such as the coyote (Canis latrans), red fox (Vulpes vulpes), bobcat (Lynx rufus), striped skunk (Mephitis mephitis), long-tailed weasel (Mustela frenata), badger (Taxidea taxus), muskrat (Ondatra zibethicus), raccoon (Procyon lotor), and beaver (Castor canadensis). Prey species include various rodents (such as mice, rats, voles, gophers, ground squirrels, chipmunks, muskrats, and black-tailed prairie dogs [Cynomys ludovicianus]) and lagomorphs (jackrabbits and cottontails). These prey species are cyclically common and widespread throughout the region. Porcupines (Erethizon dorsatum) and bats (such as hoary [Lasiurus cinereus] and big brown [Eptesicus fuscus]) also have habitat in the vicinity. The prey species are important for raptors and other predators. The black-tailed prairie dog was added to the list of candidate species for federal listing on February 4, 2000 (USFWS 2000). The USFWS then removed the black-tailed prairie dog from the list of candidate species on August 12, 2004. On December 2, 2008, the USFWS announced a 90-day finding on a petition seeking federal protection of the black-tailed prairie dog under the ESA. The USFWS subsequently announced that it will conduct a 12-month finding, which will end February 2, 2009, to determine if listing of the species is warranted (USFWS 2009). The USFWS continues to encourage the protection of prairie dog colonies for their value to the prairie ecosystem and the myriad of species that rely on them (USFWS 2004a). Black-tailed prairie dogs are considered a common resident in eastern Wyoming, utilizing short-grass and mid-grass habitats (Cerovski et a. 2004). The black-tailed prairie dog is a highly social, diurnally active, burrowing Draft EIS, Wright Area Coal Lease Applications S5-71

Supplementary Information on the Affected Environment mammal. Aggregations of individual burrows, known as colonies, form the basic unit of prairie dog populations. Found throughout the Great Plains in short-grass and mixed-grass prairie areas (Fitzgerald et al. 1994), the blacktailed prairie dog has declined in population numbers and extent of colonies in recent years. The three major impacts that have influenced black-tailed prairie dog populations are the initial conversion of prairie grasslands to cropland in the eastern portion of its range from approximately the 1880s through the 1920s; large-scale control efforts conducted from approximately 1918 through 1972, when an Executive Order was issued banning the use of compound 1080; and the introduction of sylvatic plague into North American ecosystems in 1908 (USFWS 2000 and 2009). In Wyoming, this species is primarily currently found in isolated populations in the eastern half of the state (Clark and Stromberg 1987). The USFWS’s most recent (in 2004) estimate of occupied black-tailed prairie dog habitat in Wyoming is about 125,000 acres (USFWS 2004b). Many other wildlife species, such as the black-footed ferret (Mustela nigripes), swift fox (Vulpes velox), mountain plover (Charadrius montanus), ferruginous hawk (Buteo regalis), and burrowing owl (Athene cunicularia) may be dependent on the black-tailed prairie dog for some portion of their life cycle (USFWS 2000 and 2009). According to USFS observations on the Thunder Basin National Grassland (TBNG), which overlaps portions of the LBA tract, the largest concentrations of prairie dog colonies in the vicinity of the eastern PRB surface coal mines are found east of the coal burnline, which is outside and east of the area of surface coal mining (Byer 2003). The large prairie dog complexes in this area east of the coal burnline have been drastically impacted by outbreaks of plague at irregular intervals over the years. The colonies west of the burnline, including those within the general Wright analysis area, are generally smaller and less densely concentrated. These colonies have not been affected by plague to the same degree as those located east of the burnline, likely due to their reduced size and density. Qualified wildlife biologists with J&S have mapped the current acreage of prairie dog colonies in the vicinity of the North Antelope Rochelle Mine by walking the perimeters of colonies and delineating them using hand-held global positioning system (GPS) receivers and/or by visually mapping them on topographic maps. Seventeen prairie dog colonies (approximately 1,211.4 total acres) were found within or overlapping the 2-mile perimeter encompassing the general analysis area for the North Porcupine tract (Figure 3-36 in the WAC DEIS depicts the colony locations). One colony (approximately 18.6 acres in size) and approximately 0.9 acre of a large colony (345.3 acres) were within the general analysis area itself. The other 16 colonies within the wildlife study area range in size from approximately 1.5 to 345.3 acres; the largest of which occurs within both the North and South Porcupine wildlife survey areas.

S5-72

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment S5-10.4 Raptors The raptor species known or expected to occur in suitable habitats in the general Wright analysis area include the golden eagle (Aquila chrysaetos), ferruginous hawk, red-tailed hawk (Buteo jamaicensis), Swainson’s hawk (Buteo swainsoni), rough-legged hawk (Buteo lagopus), great horned owl (Bubo virginianus), burrowing owl, and short-eared owl (Asio flammeus). The bald eagle (Haliaeetus leucocephalus) is a migrant and common winter resident of the Wyoming Powder River Basin region. On July 9, 2007, the USFWS published a Federal Register notice (72 FR 37346) announcing that the bald eagle would be removed from the list of threatened and endangered species under the Endangered Species Act of 1973, as amended (16 U.S.C 1531 et seq.); that de-listing was effective as of August 8, 2007. However, the protections provided to the bald eagle under the Bald and Golden Eagle Protection Act (BGEPA), 16 U.S.C. 668, and the Migratory Bird Treaty Act (MBTA), 16 U.S.C. 703, will remain in place. The bald eagle is now recognized as a USFS and BLM Sensitive Species. Raptor species that are known to commonly nest in the general Wright analysis area are the golden eagle, ferruginous hawk, red-tailed hawk, Swainson’s hawk, great horned owl, and burrowing owl. No nest sites have been documented in the general Wright analysis area for American kestrels (Falco sparverius), northern harriers (Circus cyaneus), or short-eared owls; though occasional sightings of recently fledged young indicate that such activities do occur there for one or more of those species. Habitat is limited for those species that nest exclusively in trees or on cliffs, but several species are adapted to nesting on the ground, creek banks, buttes, or rock outcrops. Rough-legged hawks are winter residents in northeast Wyoming, and breed in the arctic regions. Figure 3-36 in the WAC DEIS shows the locations of raptor nests identified within the North Porcupine LBA Tract’s wildlife survey area, which includes the tract’s general analysis area and a 2-mile perimeter encompassing the general analysis area. Over time, raptors have built new nests and natural forces have destroyed many nests, while others have been relocated for mitigation or removed by mining activities. In some cases, nests have been created to mitigate other nest sites impacted by mining operations at this mine. The North Antelope Rochelle and Antelope mines’ raptor monitoring areas include their respective permit areas and a surrounding 1- or 2-mile perimeter. Due to the proximity of the North Porcupine LBA Tract to those adjacent mines, the entire North Porcupine tract’s general analysis area and most of the tract’s wildlife survey area have been included in annual monitoring surveys since the early 1980s. Previous information regarding nests, including their historical use by nesting raptors is available in the annual wildlife reports for the North Antelope Rochelle and Antelope mines. A total of nine raptor species have nested within the North Porcupine tract’s wildlife survey area. Six of the nine Draft EIS, Wright Area Coal Lease Applications S5-73

Supplementary Information on the Affected Environment species have regularly nested within this area since annual monitoring began. Swainson’s hawks began nesting in the area more recently, and have been a consistent breeder ever since. During raptor nest surveys completed in 2007 by J&S, a total of 56 intact nests were present within the wildlife survey area: two golden eagle nests (two territories), 31 ferruginous hawk nests (15 territories), five Swainson’s hawk nests (five territories), five burrowing owl nest sites (five territories), one redtailed hawk nest, and 12 nests that have been used by multiple raptor species (refer to Figure 3-36 in the WAC DEIS for nest locations). Eleven intact nests were within the general analysis area for the tract (the area likely to be affected under Alternative 2, BLM’s preferred alternative): seven intact nests (one burrowing owl, three ferruginous hawk, two golden eagle, and one red-tailed hawk) were present within the tract as applied for, three intact ferruginous nests were present on the additional lands evaluated by BLM under Alternative 2, and one additional intact ferruginous hawk nest was present on the ¼-mile disturbance buffer. Nineteen of the 56 intact nests were active (eggs laid) during 2007, and five of the 11 nests within the general analysis area were active that year. S5-10.5 Upland Game Birds Four upland game bird species have historically been documented within the general Wright analysis area. These species are the mourning dove (Zenaida macroura), gray (or Hungarian) partridge (Perdix perdix), wild turkey (Meleagris gallopavo), and Greater sage-grouse (Centrocercus urophasianus). The mourning dove is the most prevalent upland game bird in this area, and the only species known to occur with any regularity. Based on annual lek searches since the late 1970s, sharp-tailed grouse do not appear to inhabit the surface coal mine region of the southern PRB. The nearest sharp-tailed grouse lek is located over 40 miles northwest of the general Wright analysis area. The North Antelope Rochelle Mine conducted voluntary annual monitoring of known sage-grouse leks and searches for new leks each spring throughout the mine’s permit area and a 1-mile perimeter as part of its wildlife monitoring program from 1984 through 1992. Baseline inventories, which occurred prior to initial permitting and subsequent permit amendments, included the mine permit area and a 2-mile perimeter. Those surveys became mandatory with the implementation of Appendix B of the WDEQ/LQD Coal Rules and Regulations in 1993, and has continued each year thereafter. In May 2002, the USFWS office in Cheyenne, Wyoming, released a list entitled Coal Mine List of 40 Migratory Bird Species of Management Concern in Wyoming, which replaced the previous Migratory Birds of High Federal Interest List. The Greater sage-grouse is included on the updated list, giving further impetus to ongoing annual survey efforts. Each occupied and undetermined lek is generally surveyed three times within a given breeding season. The North Porcupine tract’s general analysis area is withing the mine’s current permit area and as a result, S5-74 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment has been included in the previous survey efforts. Radio-telemetry data gathered from grouse collared at the North Antelope Rochelle Mine during a voluntary, multi-year (2001 through 2007) study have demonstrated that most birds in the North and South Porcupine LBA Tracts’ 2-mile wildlife survey areas reside near the mine year-round. Additional details describing the survey and monitoring efforts for sage-grouse at the North Antelope Rochelle Mine are available in annual wildlife monitoring and baseline wildlife reports on file at the USFS Douglas Ranger District Office in Douglas and/or with WDEQ/LQD in Cheyenne. Baseline surveys conducted by J&S in 2007 and 2008 specific to this EIS included the entire wildlife survey area for the North Porcupine LBA Tract. Sage-grouse rely on a variety of habitats within sagebrush dominated landscapes to reproduce and survive throughout the year. The sage-grouse is a year-round resident throughout much of the PRB, including the North and South Porcupine tracts’ wildlife survey areas. Peak male counts at leks located within 2 miles of both the North and South Porcupine tracts’ general analysis areas have been well documented from the mid-1980s through 2007. Annual grouse counts fluctuated during that period, with new leks discovered in some years and declining counts recorded in others. Although sage-grouse numbers have generally been low in these areas over the years, known or potential grouse habitat is present. However, the most suitable sage-grouse habitat exists in the North Porcupine area, as suggested by the distribution of grouse leks between the two areas and confirmed through the information gleaned from the last 7 years of radio-telemetry data collected in the general vicinity. Results from that project have demonstrated that grouse are most commonly recorded in the eastern quarter of the 2-mile wildlife survey area for the North Porcupine tract, east of the Payne County Road. Detailed reports and longterm maps documenting grouse locations in the area have been submitted to WDEQ/LQD and other agencies in each study year. Annual surveys for sage-grouse broods were conducted in native and reclaimed stream channels at the North Antelope Rochelle Mine and adjacent mines from 1994 through 1999; such surveys were no longer required by WGFD and WDEQ/LQD after that year due to the consistent lack of grouse broods observed at coal mines throughout the PRB. Likewise, no sage-grouse broods were seen during recent baseline inventories conducted for the two Porcupine tracts. All grouse broods that have been recorded over the years occurred as incidental sightings during other wildlife surveys. Nesting and winter surveys for sage-grouse are not required as part of the annual wildlife programs for the North Antelope Rochelle or the other applicant mines included in this EIS (Black Thunder and Jacobs Ranch), though winter surveys have been conducted as part of baseline inventories for previous mine expansions. Additionally, winter surveys for other species (big game and bald eagle roosts) have occurred at all three of these mines in recent years. Due to their proximity to existing mine permit areas, nearly all of the combined North and South Porcupine tracts’ general analysis areas have been included in some Draft EIS, Wright Area Coal Lease Applications S5-75

Supplementary Information on the Affected Environment level of regular (but not always annual) winter surveys since 1987. No sagegrouse were ever documented in or near these two LBA tracts during those surveys. However, grouse have been confirmed as year-round residents in the vicinity of the North Porcupine general analysis area during year-round telemetry studies conducted from 2001 through 2005, with less frequent monitoring during the subsequent two winters. Only isolated grouse sightings occurred within 3 miles of the South Porcupine general analysis area during that telemetry monitoring period, with each sighting limited to a single observation per bird. Five sage-grouse leks have been documented within 2 miles of the North Porcupine general analysis area: Payne, Wilson, Kort I, Kort II, and Rochelle (refer to Figure 3-36 in the WAC DEIS for lek locations). The Payne lek is located on the LBA tract as applied for and is close to the tract’s eastern edge. The Wilson, Kort I, and Kort II lek sites are within 2 miles of the LBA tract’s general analysis area and are all southeast of the tract’s southeastern corner. The Rochelle lek site is also located southeast of the tract’s general analysis area, although it is just outside of the 2-mile wildlife study area boundary. These five leks are collectively referred to as the Rochelle Complex. The birds in that complex comprise approximately 4 percent of the grouse population in the entire TBNG, and approximately 17 percent of the population in the Hilight Bill Geographic Area. The Rochelle lek was discovered in 1990 but experienced reduced attendance after 1992, with birds present in only 3 of the subsequent 11 years. The site may have been a satellite to the Wilson lek; used only when the local grouse population was relatively high or increasing. The Rochelle lek was mined through in 2004, and now has a WGFD management status of “unoccupied/destroyed.” The Kort I lek was first identified in spring 1998 when, for unknown reasons, grouse apparently shifted their breeding activities from the Wilson lek. Male attendance at the Kort I lek gradually declined through 2004 (a low of three males), and the birds shifted their display location to the Kort II lek site in 2005. The Kort I and Kort II leks now have a WGFD management status of “occupied”. The Wilson Lek has been unoccupied for the last 10 consecutive years and therefore has a WGFD management status of “unoccupied/abandoned.” The Payne lek was first discovered in spring 2001. The peak male count (21) recorded that year was higher than that of any subsequent year. Grouse counts at the Payne lek have fluctuated over the last 7 years, with numbers increasing each year from 2005 through 2007 (peak of 14 males in 2007 and an average annual peak male count since its discovery of 10.5). The management status of the Payne lek is currently listed as “occupied.” No other leks have been documented within the wildlife study areas for the North Porcupine LBA Tract. S5-10.6 Migratory Bird Species of Management Concern in Wyoming USFWS uses a list entitled Migratory Bird Species of Management Concern in Wyoming, specifically the Coal Mine List of 40 Migratory Bird Species of S5-76 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Management Concern in Wyoming, for reviews related to existing and proposed coal mine leased land (USFWS 2002b). This list was taken directly from the Wyoming Bird Conservation Plan (Cerovski et al. 2001), and was current through 2007. The Migratory Bird Species of Management Concern in Wyoming list replaced the Migratory Birds of High Federal Interest list. The Black Thunder Mine has conducted specific surveys for migratory birds of concern annually since at least 1993, incorporating new lists and survey protocols as they were issued. The surveys, which are conducted in the spring and summer, include the existing mine permit area and a surrounding ½-mile perimeter for most species. Species of added concern such as the sage-grouse and bald eagle may require expanded survey perimeters. The general analysis area for the North Porcupine LBA Tract is within the North Antelope Rochelle Mine’s existing mine permit area and has therefore been included in annual surveys for avian species of concern since at least 1984. Thirty of the 40 listed Level I and II species have historically been observed within the northeastern Wyoming (Latilong 13) and 18 species have been recorded in the vicinity of the North Porcupine LBA Tract (Table S5-8). The USFWS considers Level I species as in need of conservation action, which includes having a monitoring and mitigation plan for those birds. The 15 Level I and II species that historically have been recorded, or are suspected of nesting in the North Porcupine tract’s general analysis area include the Greater sage-grouse, McCown’s longspur, ferruginous hawk, Brewer’s sparrow, Swainson’s hawk, short-eared owl, burrowing owl, upland sandpiper, lark bunting, chestnut-collared longspur, sage thrasher, loggerhead shrike, vesper sparrow, lark sparrow, and merlin. The other non-nesting species documented less often and that have only been observed as migrants in the area include the long-billed curlew, peregrine falcon and bald eagle. Peregrine falcons have been observed but nesting has not been documented in Latilong 13 (Cerovski et al. 2004). This species is considered rare in the North Porcupine tract. The remaining migratory bird species of management concern are not likely to occur in the North Porcupine tract’s general analysis area. Suitable habitat that would support these species like coniferous woodlands, large expanses of native prairie, lush riparian corridors, and large persistent bodies of water are scarce if not absent on the general analysis area. S5-10.7 Other Species Wildlife surveys completed specifically for the applicant mine and other neighboring mines, as well as biological research projects in the eastern Powder River Basin, have documented numerous other wildlife species that inhabit the region, including various waterfowl, shorebirds and other non-game birds, amphibians, reptiles, and aquatic species. All of these species can be locally common inhabitants of the area, depending on the quantity and quality of aquatic habitats present. Draft EIS, Wright Area Coal Lease Applications S5-77

Supplementary Information on the Affected Environment Table S5-8. Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the North Porcupine LBA Tract.
Species1 (Scientific Name) Seasonal Status/Breeding Historical Occurrence in Records in the Vicinity of the LBA2 Northeastern WY1 LEVEL I (species need conservation action) Summer/Breeder Not Expected Resident/Breeder Summer/Breeder Summer/Observed Resident/Breeder Summer/Breeder Summer/Breeder Summer/Breeder Summer/Observed Resident/Breeder Resident/Observed Summer/Breeder Resident/Breeder Summer/Breeder Common Uncommon Not expected Common Common Not expected Uncommon Uncommon Uncommon Rare Uncommon Common Uncommon Occurrence and Status in the LBA in 20073 None Common Breeder Uncommon Breeder None Breeder Common Breeder None Non-breeder None None None None None None

None Common Breeder None None None None None None None

S5-78

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S5-8. Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the North Porcupine LBA Tract (Continued).
Species1 (Scientific Name) Seasonal Historical Occurrence in Status/Breeding Records in the Vicinity of the Northeastern WY1 LBA2 LEVEL II (species need monitoring) Summer/Breeder Not Expected Summer/Observed Summer/Observed Never Recorded Summer/Breeder Summer/Observed Never Recorded Never Recorded Never Recorded Summer/Breeder Summer/Breeder Summer/Breeder Summer/Observed Never Recorded Resident/Breeder Never Recorded Not Expected Not Expected Not Expected Not Expected Not Expected Not Expected Not Expected Not Expected Uncommon Common Uncommon Not Expected Not Expected Uncommon Not Expected Occurrence and Status in the LBA in 20073 None None None None None None None None None Potential Breeder Common Breeder None None None None None

Grasshopper sparrow (Ammodramus savannarum) Bobolink (Dolichonyx oryzivorus) Common loon (Gavia immer) Black-billed cuckoo (Coccyzus erythropthalmus) Red-headed woodpecker (Melanerpes erythrocephalus) Yellow-billed cuckoo (Coccyzus americanus) Eastern screech-owl (Megascops asio) Western screech-owl (Megascops kennicottii) Western scrub-jay (Aphelocoma californica) Loggerhead shrike (Lanius ludovicianus) Vesper sparrow (Pooecetes gramineus) Lark sparrow (Chondestes grammacus) Ash-throated flycatcher (Myiarchus cinerascens) Bushtit (Psaltriparus minimus) Merlin (Falco columbarius) Sprague’s pipit (Anthus spragueii) Barn owl (Tyto alba)
1 2

Summer/Observed

Not Expected

None

Latilong 13 – Atlas of Birds, Mammals, Amphibians, and Reptiles in Wyoming (Cerovski et al. 2004). Historical Occurrence/Status in the North Porcupine LBA survey area is based on records from annual monitoring conducted at the North Antelope Rochelle Mine since 1984. Sighting records were derived from actual occurrence on or within ½ mile of the LBA tract and the Alternative 2 tract configuration area or from observations related to North Antelope Rochelle Mine’s baseline and annual monitoring.

Under natural conditions, the general analysis area for the North Porcupine LBA Tract provides limited and marginal habitat for waterfowl and shorebirds. The natural aquatic habitat, prior to CBNG development within the Porcupine Creek drainage basin, was mainly available during spring migration as ponds (primarily stock reservoirs and playa areas), and intermittent and ephemeral streams. Many of these water features generally were reduced to small, isolated pools or were completely dry during summer. However, the relatively recent development of CBNG resources within and upstream of the general analysis area has enhanced the water resources available in the area, resulting in somewhat improved habitat for waterfowl and shorebirds. Waterfowl and shorebird observations have primarily consisted of relatively low numbers of Draft EIS, Wright Area Coal Lease Applications S5-79

Supplementary Information on the Affected Environment common species, often restricted to spring migration. Few broods have been recorded in the area during baseline or annual monitoring studies due to limited and unreliable water resources in the area. Avian species typically associated with aquatic habitats in the general Wright analysis area include, but are not limited to, the mallard duck (Anas platyrhynchos), killdeer (Charadrius vociferus), and red-winged blackbird (Agelaius phoeniceus). The lack of deepwater habitat and extensive and persistent water sources limits the presence and diversity of fish and other aquatic or semi-aquatic species. As discussed above, water discharged from CBNG wells has enhanced the water supply within some drainages in the North Porcupine tract’s general analysis area, which has increased potential habitat for some aquatic species. However, those temporarily-enhanced areas are still relatively limited and/or isolated in nature, and no perennial drainages are present in the general analysis area. CBNG production and the associated surface discharge of groundwater from coal seams has and will continue to decrease over time and eventually end, returning streamflows to natural conditions. Few reptiles and amphibians have been recorded during wildlife surveys conducted in the general analysis area for the North Porcupine LBA Tract over the years. The relatively low quantity and quality of aquatic habitat in the area reduces its potential to attract these species, particularly amphibians and turtles. The boreal chorus frog (Pseudacris triseriata) has been the most common herptile observed in the area during baseline and annual monitoring surveys over the last two decades. These frogs have been heard in creeks and ponds throughout the area during spring. Other less common species recorded on or near the general analysis area over time included the northern leopard frog (Rana pipiens) and tiger salamander (Ambystoma tigrinum). Prairie rattlesnakes (Crotalus viridis) have been observed infrequently in sagebrush stands throughout the area. Other dry land species, such as the bullsnake (Pituophis melanoleucas), are likely to occur in the general Wright analysis area. S5-11 LAND USE AND RECREATION A majority (approximately 72 percent) of the surface estate on the North Porcupine LBA Tract as applied for and the area added under Alternative 2 (the BLM study area) is owned by the U.S. Department of Agriculture and administered by the Forest Service (USFS). The balance of the surface estate is state-owned (approximately 2 percent) and privately-owned (approximately 26 percent). The surface ownership of the North Porcupine tract is shown in detail in Figure 3-44 and the distribution of surface ownership is given in Table 3-14 in the WAC DEIS document. Livestock grazing is the primary land use within the BLM study area for the LBA tract, while oil and gas production, wildlife habitat, and recreation are secondary land uses. The BLM study area for the North Porcupine tract lies completely within North Antelope Rochelle Mine’s existing mine permit area and is therefore not accessible to the general public for recreational activities. S5-80 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Areas of disturbance within and near the North Porcupine tract include roads, oil and gas wells and associated production facilities (including numerous buried pipelines), surface mine-related facilities and activities, and activities associated with ranching operations. State Highway 59, which runs northsouth, is located about 5 miles west of the LBA tract. The Antelope Road (County Road 4), a paved improved road that runs north-south, bisects the North Porcupine tract. Other county roads that border and traverse the North Porcupine tract include the Matheson Road (County Road 70) and Mackey Road (County Road 69). Several unnamed two-track roads also traverse and provide public and private access within and near the proposed lease area. The Burlington Northern Santa Fe & Union Pacific (BNSF & UP) railroad rightof-way (ROW) overlays portions of the tract’s general analysis area (Figure 3-1 in the WAC DEIS document). The oil and gas estate within the North Porcupine LBA Tract as applied for and the area added under Alternative 2 is federally and privately owned, with the majority (approximately 90 percent) being federally owned. The ownership of the North Porcupine oil and gas estate is shown in the WAC DEIS document on Figure 3-50. A listing of the current federal oil and gas lessees of record is included as Table 3-19 in the WAC DEIS document. According to the Wyoming Oil and Gas Conservation Commission (WOGCC) records as of May 14, 2008, there were nine conventional oil and gas wells on lands included in the North Porcupine LBA Tract as proposed and the lands added under Alternative 2 that were producing or capable of producing and five conventional oil and gas wells that were plugged and abandoned (refer to Figure 3-50 in the WAC DEIS document for locations). The most recent oil well in the tract’s general analysis area was drilled in 1984 (WOGCC 2008a). Conventional oil and gas wells capable of production within the BLM study area for the North Porcupine tract are listed in Appendix E of the WAC DEIS document. According to the WOGCC records as of May 14, 2008, 42 coal bed natural gas (CBNG) wells were producing and one CBNG well was shut-in within the lands encompassed by the North Porcupine LBA Tract as applied for and the lands added under Alternative 2 (refer to Figure 3-50, in the WAC DEIS document for locations). Extensive CBNG development has occurred on lands north, west and south of the tract. CBNG wells capable of production within the BLM study area for the North Porcupine LBA Tract are listed in Appendix E of the WAC DEIS document. Coal mining is a dominant land use to the north and south of the LBA tract. The Black Thunder, Jacobs Ranch, and North Antelope Rochelle mines form a group of contiguous or nearly contiguous surface coal mines located in Campbell and Converse counties (Figure S-1). The North Hilight Field, South Hilight Field, West Hilight Field, West Jacobs Ranch, North Porcupine, and South Porcupine LBA Tracts being evaluated in the WAC DEIS are in this group of mines (Tables 1-1 and 1-2 in the WAC DEIS document). Coal Draft EIS, Wright Area Coal Lease Applications S5-81

Supplementary Information on the Affected Environment production from the three applicant mines involved in the WAC lease applications (Jacobs Ranch, Black Thunder, and North Antelope Rochelle) increased by roughly 59 percent between 1998 and 2007 (from approximately 120.1 million tons in 1998 to 191.3 million tons in 2007). Since decertification, nine coal leases (the Jacobs Ranch, West Black Thunder, North Antelope/Rochelle, Powder River, Thundercloud, North Jacobs Ranch, NARO South, Little Thunder, and NARO North LBA Tracts) have been issued within this group of mines. Big game hunting is the principal recreational land use within the LBA tract’s general analysis area. Pronghorn and mule deer are the most common big game species within the area. On private lands, hunting is allowed only with landowner permission. Land ownership within the PRB is largely private (approximately 80 percent), with some private landowners permitting sportsmen to cross and/or hunt on their land. There has been a trend over the past two to three decades towards a substantial reduction in private lands that are open and reasonably available for hunting. Access fees continue to rise and many resident hunters feel these access fees are unreasonable. This trend has created problems for the WGFD in their attempt to distribute and control harvest at optimal levels, as well as for sportsmen who desire access to these animals (WGFD 2007a). Pronghorn, mule deer, and white-tailed deer occur on or adjacent to the LBA tract. Sage grouse, mourning dove, waterfowl, rabbit, and coyote may be also harvested in the vicinity, and some trapping of red fox may also occur. Specific details regarding big game herd management objectives within and near the general Wright analysis area are contained in Wyoming Game and Fish Department’s (WGFD’s) 2007 Big Game Herd Unit Job Completion Reports for the Casper and Sheridan Regions (WGFD 2007a). The WGFD classifies the entire general Wright analysis area as yearlong (a population or substantial portion of a population of animals makes general use of this habitat on a yearround basis but may leave the area under severe conditions on occasion) and winter/yearlong range (a population or a portion of a population of animals makes general use of this habitat on a year-round basis, with a significant influx of additional animals onto this habitat from other seasonal ranges in the winter) for pronghorn. The general analysis area for the North Porcupine tract is included within the Cheyenne River Herd Unit (Hunt Area 27). In post season 2007, the WGFD estimated the Cheyenne River Herd Unit population to be 55,287, which is about 45 percent above the WGFD objective of 38,000 animals (WGFD 2007a). The North Porcupine LBA Tract as applied for and the area added by Alternative 2 are located within the WGFD Thunder Basin Mule Deer Herd Unit. According to WGFD maps, a majority of the proposed lease area is considered yearlong mule deer range. No crucial or critical mule deer ranges or migration corridors occur on or within several miles of the general analysis area. Crucial range is defined as any particular seasonal range or habitat component that has been documented as the determining factor in a population’s ability to maintain and reproduce itself at a certain level. The S5-82 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment WGFD estimated the 2007 post-season mule deer population in this herd unit at 20,980, which is slightly above the current objective of 20,000 (WGFD 2007a). White-tailed deer are generally not managed separately by the WGFD, but are managed and hunted in conjunction with mule deer. The population occupying Hunt Areas 10 and 21 is part of the Central White-tailed Deer Herd Unit. White-tailed deer are seldom observed within the general Wright analysis area due to their preference for riparian woodlands and irrigated agricultural lands. The WGFD classifies the entire general Wright analysis area as out of the normal white-tailed deer use range. A narrow corridor along Antelope Creek south of the general Wright analysis area is classified as yearlong white tail range. The WGFD does not have population estimates for this herd unit due to the challenges of obtaining adequate classifications in many hunt areas within the herd unit. A resident elk herd resides in the Rochelle Hills, which are located just east of the North Porcupine LBA Tract. Elk do wander from the protection of the Rochelle Hills to forage in native and reclaimed grasslands in the vicinity of the tract’s general analysis area. No portion of the LBA tract’s general analysis area is classified by the WGFD as within normal elk use range. As more lands adjacent to the Rochelle Hills are reclaimed from mining, elk are shifting their winter use to these areas. The WGFD has designated an approximately 5 square mile area on reclaimed lands within the Jacobs Ranch Mine permit area as crucial winter habitat for the Rochelle Hills elk herd (Oedekoven 1994). Elk have been observed within the general Wright analysis area in recent years, but they are typically restricted to the pine breaks east of the Coal Creek, Jacobs Ranch, and North Antelope Rochelle mines. The WGFD estimated the 2007 post-season elk population for the Rochelle Hills Herd Unit at 600, which is 50 percent above the current objective of 400 animals (WGFD 2007a). Under natural conditions, the general analysis area for the North Porcupine LBA Tract provides limited and marginal aquatic habitat for waterfowl and shorebirds. The natural aquatic habitat, prior to CBNG development within the Porcupine Creek watershed, was mainly available during spring migration as ponds (primarily in-channel stock reservoirs and internally-drained playa areas) and ephemeral stream flows. Many of these water features generally were reduced to small, isolated pools or became completely dry during summer. The relatively recent development of CBNG within and upstream of the tract’s general analysis area has enhanced the surface water resources, resulting in somewhat improved aquatic habitat for waterfowl and shorebirds. However, those enhanced areas are still relatively limited and/or isolated in nature. Despite the recent influx of water into the general Wright analysis area, many channels are still reduced to isolated, shallow pools in the summer. Waterfowl and shorebird observations have primarily consisted of relatively low numbers of common species, often restricted to spring migration. Few broods have been recorded in the area during baseline or annual monitoring studies due to limited and unreliable water resources in the area. Avian species Draft EIS, Wright Area Coal Lease Applications S5-83

Supplementary Information on the Affected Environment typically associated with aquatic habitats in the general analysis area include, but are not limited to, the mallard duck (Anas platyrhynchos), killdeer (Charadrius vociferus), and red-winged blackbird (Agelaius phoeniceus). The lack of deepwater habitat and extensive and persistent water sources limits the presence and diversity of fish and other aquatic or semi-aquatic species. As discussed above, water discharged from CBNG wells has enhanced the water supply within some drainages in the North Porcupine general analysis area, including Porcupine Creek, which has increased potential habitat for some aquatic species. However, those enhanced areas are still relatively limited and/or isolated in nature, and no perennial drainages are present in the general analysis area; therefore, no recreational fisheries are present. S5-12 CULTURAL RESOURCES The entire general analysis area for the North Porcupine LBA Tract has been intensively surveyed for cultural resources at a Class III level. Cultural resource inventories in this area began in the early 1990s and continued with numerous projects associated primarily with surface mining operations, as well as oil and gas development, through 2005. The North Porcupine tract lies within North Antelope Rochelle Mine’s current mine permit area. Therefore, the entire general analysis area for the tract has been covered Class III level cultural resource inventories. Table S5-9 is a comprehensive listing of the inventories conducted within the tract’s general analysis area, including the survey location, survey name, survey date, and name of the organization that conducted the survey. A total of 48 cultural sites have been documented in the North Porcupine general analysis area. Of these, 27 are prehistoric, 11 are historic, and 10 are multi-component (contains both historic and prehistoric components) sites. Prehistoric sites consist primarily of lithic scatters and campsites. Historic sites consist primarily of homesteads and associated remains. Test excavations were carried out at some sites. A total of four prehistoric sites (campsites) and two of the multi-component sites have been determined eligible for the National Register of Historic Places (NRHP) by the State Historic Preservation Office (SHPO). Table S5-10 lists the cultural sites, the site type, and the NRHP status. In summary, a total of 67 cultural sites have been documented in the general analysis areas for the North and South Porcupine LBA Tracts. All 67 sites were previously recorded and were identified during record searches (Class I inventories) that were conducted by PRC in 2008. Of the 67 cultural sites documented in the entire general analysis areas for the North and South Porcupine LBA Tracts, 35 are prehistoric, 21 are historic, and 11 are multicomponent sites. A total of 16 homestead sites, all dating back to the early 1900s, are located within the general analysis areas for the North and South Porcupine LBA Tracts. Ten of the homestead sites are located within the North S5-84 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Porcupine general analysis area, seven are located within the South Porcupine general analysis area, and portions of one homestead are located on both the general analysis areas. Either BLM or Office of Surface Mining Reclamation and Enforcement (OSM) have reviewed the cultural resource inventories covering the general analysis areas for the North and South Porcupine LBA Tracts and have submitted the results to the SHPO. SHPO has concurred with the recommendations finding seven sites (six in the North Porcupine tract general analysis area and one in the South Porcupine tract general analysis area) eligible for the NRHP. Table S5-9. Summary of Cultural Resource Inventories in the General Analysis Area for the North Porcupine LBA Tract. Survey Location
T41N, R71W, Section 2, W½NW¼NE¼

Class III Survey – Survey Organization, Date
Tract C Class III Inventory – GCM Services, September 1993 Tract H Class III Inventory – GCM Services, March 1998 Tract H Class III Inventory – GCM Services, March 1998 Tract L Class III Inventory – GCM Services, June 2004

Section 2, N½NW¼

Section 3, NE¼NE¼

Section 3, NW¼NE¼, N½NW¼

T42N, R70W, Section 16, S¼

Tract A Class III Inventory – GCM Services, February 1994 Tract A Class III Inventory – GCM Services, February 1994 Tract L Class III Inventory – GCM Services, June 2004 Tract F Class III Inventory – GCM Services, October 1995 Tract A Class III Inventory – GCM Services, February 1994 Tract L Class III Inventory – GCM Services, June 2004 Tract A Class III Inventory – GCM Services, February 1994 Tract L Class III Inventory – GCM Services, June 2004

Section 17, SE¼SE¼

Section 19, N½, SE¼

Section 19, SW¼

Section 20, NE¼NE¼

Section 20, NW¼NE¼, S½NE¼, NW¼, S½

Section 21, N¼

Section 21, S½N½, S½

Draft EIS, Wright Area Coal Lease Applications

S5-85

Supplementary Information on the Affected Environment Table S5-9. Summary of Cultural Resource Inventories in the General Analysis Area for the North Porcupine LBA Tract. Survey Location
T42N, R70W, Section 22, N½NW¼, SE¼NW¼, NE¼SW¼, N½SE¼, SE¼SE¼ Section 22, SW½NW¼, NW¼SW¼, S½SW¼, SW¼SE¼ Section 26, N½NW¼, SE¼NW¼, NE¼SW¼, N½SE¼

Class III Survey – Survey Organization, Date
Tract A Class III Inventory – GCM Services, February 1994 Tract L Class III Inventory – GCM Services, June 2004 Tract A Class III Inventory – GCM Services, February 1994 Tract H Class III Inventory – GCM Services, March 1998 Tract C Class III Inventory – GCM Services, September 1993 Tract B Class III Inventory – GCM Services, September 1993 Tract A Class III Inventory – GCM Services, February 1994 Tract H Class III Inventory – GCM Services, March 1998 Tract C Class III Inventory – GCM Services, September 1993 Tract B Class III Inventory – GCM Services, September 1993 Tract H Class III Inventory – GCM Services, March 1998 Tract H Class III Inventory – GCM Services, March 1998 Tract H Class III Inventory – GCM Services, March 1998 Tract F Class III Inventory – GCM Services, October 1995

Section 26, SW¼NW¼

Section 26, N½S½

Section 26, S¼

Section 27, NE¼NE¼

Section 27, NW¼NE¼, S½NE¼, NW¼

Section 27, N½S½

Section 27, S¼

Section 28, N¼

Section 29, N¼

Section 30, N½NE¼

Section 30, N½NW¼

T42N, R71W, Section 21, E¼

Tract L Class III Inventory – GCM Services, June 2004 Tract L Class III Inventory – GCM Services, June 2004

Section 22, All

S5-86

Draft EIS, Wright Area Coal Lease Applications

Class III Survey – Survey Organization, Date
Tract L Class III Inventory – GCM Services, June 2004 Tract L Class III Inventory – GCM Services, June 2004 Tract C Drilling Areas Class III Inventory GCM Services, July 1994 Tract H Class III Inventory – GCM Services, March 1998 Tract H Class III Inventory – GCM Services, March 1998 Tract L Class III Inventory – GCM Services, June 2004 Tract F Class III Inventory – GCM Services, October 1995 Tract C Drilling Areas Class III Inventory GCM Services, July 1994 Tract L Class III Inventory – GCM Services, June 2004 Tract L Class III Inventory – GCM Services, June 2004 Tract L Class III Inventory – GCM Services, June 2004 Tract L Class III Inventory – GCM Services, June 2004 Tract H Class III Inventory – GCM Services, March 1998 Tract H Class III Inventory – GCM Services, March 1998

Section 24, NE¼, NE¼NW¼, S½NW¼, S½

Section 24, NW¼NW¼

Section 25, N¼

Section 26, N½NE¼

Section 26, N½NW¼

Section 26, S½NW¼, SW¼

Section 26, NW¼SW¼, S½NE¼SW¼ (partial)

Section 27, All

Section 28, E¼

Section 33, NE¼NE¼

Section 34, N½, SW¼, N½SE¼, SW¼SE¼

Section 34, SE¼SE¼

Section 35, W½

Draft EIS, Wright Area Coal Lease Applications

S5-87

Supplementary Information on the Affected Environment Table S5-10. Cultural Resource Sites in the General Analysis Area for the North Porcupine LBA Tract. Prehistoric sites: Lithic Scatter: 48CA1163, 48CA2791, 48CA2908, 48CA2909, 48CA2910, 48CA2911, 48CA3040, 48CA3220, 48CA3593, 48CA3597, 48CA3599, 48CA3602, 48CA3609, 48CA3611, 48CA3614, 48CA3615, 48CA3618 Camp: 48CA3218*, 48CA3595, 48CA3596*, 48CA3600, 48CA3601, 48CA3606*, 48CA3607*, 48CA3610 48CA3074 48CA3605 48CA1668, 48CA2108, 48CA2797, 48CA2870**, 48CA3037, 48CA3038, 48CA3039, 48CA3073, 48CA3604, 48CA3613 48CA2800 48CA262, 48CA1420/3219*, 48CA3592, 48CA3594, 48CA3598, 48CA3603, 48CA3608, 48CA3612*, 48CA3616, 48CA3617

Camp & Lithic Scatter: Stone Feature: Historic sites: Homestead Remains:

Livestock/Ranching: Multi-component sites:

* NHRP eligible
** Site occurs on both North and South Porcupine tracts.

S5-88

Draft EIS, Wright Area Coal Lease Applications

SECTION 6
SOUTH PORCUPINE LBA TRACT

Supplementary Information on the Affected Environment S6-1 TOPOGRAPHY AND PHYSIOGRAPHY The general analysis area for the South Porcupine tract is located in the southern portion of the general Wright analysis area. Nearly all of the tract’s general analysis area lies within North Antelope Rochelle Mine’s current permit area. The South Porcupine LBA Tract is essentially surrounded by the North Antelope Rochelle and Antelope mine’s existing federal coal leases. The topography of the tract’s general analysis area is relatively rugged, dominated by relatively steep draws and gullies formed by the headwaters of unnamed ephemeral tributaries of Antelope Creek, Horse Creek, and Porcupine Creek. The central portion of the South Porcupine LBA Tract is located at the divide between these three drainages. The northern and eastern portions of the tract drain north and east to Porcupine Creek via several ephemeral tributary draws. The southern portion of the tract drains south to Antelope Creek via Chyr Draw. The western portion of the tract drains west to Horse Creek via Eagle Draw and other unnamed draws. Elevations range from 4,675 feet to 4,950 feet within the LBA tract as applied for, the BLM study area, and the tract’s general analysis area. The steepest slopes within the relatively rugged and erosionally dissected general analysis area for the South Porcupine tract are slightly over 30 percent (a maximum of about 36 percent) and they occur in the draws and gullies formed by the headwaters of the ephemeral tributaries described above. The slopes of the gently rolling uplands, which comprise most (about 51 percent) of the general analysis area, seldom exceed 5 percent. S6-2 GEOLOGY Stratigraphic units in the general analysis area include, in descending order, recent (Holocene age) alluvial and eolian deposits, the Eocene age Wasatch Formation (the overburden), and the Paleocene age Fort Union Formation (which contains the target coal beds). The majority of the recent surficial deposits in the tract’s general analysis area are reworked Wasatch Formation residuum or deposits that are of mixed alluvial, residual, and eolian nature, including sheetwash re-deposition of weathered Wasatch material. The lithologies of these unconsolidated deposits represent materials eroded locally and reflect relatively near-source deposition. Mapping of the surficial geology in this area (Reheis and Coates 1987, PRC 2004) shows that thin alluvial deposits of minor areal extent occur only along Mike’s Draw, an ephemeral tributary of Porcupine Creek. These recent alluvial deposits are comprised of stream-channel and overbank deposits of sand, silt and clay. Isolated, thin deposits of sheetwash colluvium consisting of sands, silts, and clays also occur in areas of unchanneled flow on hillslopes. The Eocene Wasatch Formation directly overlies the recoverable coal seam and thus forms most of the overburden. Wasatch rocks are exposed on the surface in some locations, particularly along steeper slopes formed by the more erosionally resistant strata and along the breaks or the broken land dissected Draft EIS, Wright Area Coal Lease Applications S6-1

Supplementary Information on the Affected Environment by small ravines and gullies. The Wasatch overburden consists of interbedded, lenticular sands/sandstones, silts/siltstones, clays and shales with thin discontinuous coal seams. Typically, units are gradational mixtures of these sediments. There is no distinct boundary between the Wasatch Formation and the underlying Paleocene Fort Union Formation. From a practical standpoint, however, the top of the mineable coal zone is considered as the contact between the two formations. In general, overburden thickness decreases in the gullies and draws where the Wasatch has been removed by erosion. The average overburden thickness in the South Porcupine tract is 346 feet in the LBA tract as applied for, and 347 feet in the BLM study area (the tract configured under Alternative 2). Underlying the Wasatch Formation is the Paleocene Fort Union Formation. The Fort Union Formation (which contains the targeted coal seam) consists primarily of non- to highly-carbonaceous mudstones, siltstones, sandstones, and coal. One mineable coal seam (referred to as the Wyodak-Anderson) averaging 76 feet thick occurs throughout most of the BLM study area for the South Porcupine LBA Tract (Alternative 2 configuration), although it splits into two mineable seams (referred to as the Wyodak-Anderson 1 and WyodakAnderson 2) in the southern portion of the study area while maintaining a total thickness of 76 feet. The interburden thickness ranges from zero to around 82 feet, but averages approximately 11 feet in the LBA tract as applied for and approximately 10 feet in the Alternative 2 tract configuration. Table S6-1 presents the average thickness of the overburden, interburden, and the coal seams for the South Porcupine LBA Tract. Figure S6-1 depicts two geologic cross sections (one north-south and one east-west) drawn through the LBA tract’s BLM study area. Average Overburden and Coal Thicknesses in the South Porcupine LBA Tract. Mining Unit Proposed Action (ft) Alternative 2 (ft) Overburden 346.0 347.0 Coal 76.0 76.0 Interburden 11.0 10.0 The Fort Union coal seams are subbituminous and are generally low-sulfur, low-ash coals. Typically, the coal being mined in the PRB has a lower heating value and higher sulfur content north of Gillette than south of Gillette. According to the analyses (which were done on an as-received basis) of exploration drilling samples collected in the South Porcupine LBA Tract as applied for and the area added under Alternative 2, the average heating value of the coal ranges from 8,727 to 9,054 British thermal units per pound (Btu/lb), with 0.18 to 0.23 percent sulfur, 3.81 to 6.48 percent ash, fixed carbon of 50.0 to 53.2 percent, and 25.5 to 27.3 percent moisture. Table S6-1.

S6-2

Draft EIS, Wright Area Coal Lease Applications

R. 71 W. R. 70 W.
35 4401K 36 31 32 33

T. 42 N.

B
T. 42 N.

LEGEND
Existing North Antelope Rochelle Mine Federal Coal Leases South Porcupine LBA Tract as Applied for

4170C 2 1 6 5 4178J 4172C 4

T. 41 N. T. 41 N.

9 12
4183C 4662J 14 16 4659C 13 3853J 3852C 18 17 4660J 4401K 8 9

11 4180J
7

South Porcupine LBA Tract Under Alternative 2, BLM's Preferred Alternative Borehole Location and Number GEOLOGY Sand or Sandstone

A A'
Interbedded Siltstone, Claystone and Shale
19 20 21

16 4941C

21 4658C

4643B 24

Wyodak - Anderson Coal Stratigraphy Extrapolated

B'
26 25 30 29 28

R. 71 W. R. 70 W.
SCALE: 1" = 10,000'

3852C

4401K

Antelope Road 4660J (Section B-B')

4183C

4660J (Section A-A')

3853J LBA and BLM Study Area Boundary

4180J

LBA Boundary

BLM Study Area Boundary

BNSF & UP RR

4662J

4800 4650 4500 4350 4200

4800

4170C LBA and BLM Study Area Boundary

4172C

4178J

4950 4800 4650 4500 4350 4200 15000

4950

4643B

4950

4659C

4941C LBA and BLM Study Area Boundary

4658C

Figure S6-1. Geologic Cross Sections for the South Porcupine LBA Tract.

Draft EIS, Wright Area Coal Lease Applications
A' B
4950 4800 4650 4500 4350 4200 0 3000 6000 9000

CROSS SECTION LOCATION MAP

4650

4500

4350

4200

3000

SECTION A-A'

6000

9000

12000

SECTION B-B'

12000

15000

18000
SCALE: HORZ. 1" = 6, 000', VERT. 1"=600'

21000

Supplementary Information on the Affected Environment

S6-3

SCALE: HORZ. 1" = 6, 000', VERT. 1"=600'

Supplementary Information on the Affected Environment S6-3 PALEONTOLOGY Although the Eocene Wasatch Formation is known to produce fossil vertebrates of scientific significance in Wyoming, outcrops of the Wasatch Formation in the PRB are not generally well exposed and the conditions of deposition of the formation have contributed to a low preservation potential for fossils. Geologic mapping by the U.S. Geological Survey and Wyoming State Geological Survey have documented that the general Wright analysis area is underlain by sedimentary deposits of the Wasatch Formation. Geologic maps depict bedrock units that would occur at the surface in the absence of recent, unconsolidated colluvial and eolian deposits that occur widespread over the general analysis area. These surficial materials in the general Wright analysis area are derived primarily from the underlying bedrock, which consists mainly of soft shale, sandstone and coal beds, and most of these rocks weather to fine-grained material. The physical properties of the weathered materials depend largely on the mode of transportation and deposition, whether by water, gravity, or wind that account for the position of the weathered materials. Actual outcrops of the Wasatch and underlying Fort Union formations that could be prospected for fossils occur infrequently and are found most commonly in areas having the steepest slopes (i.e., rough breaks between upland areas and drainage channels). The landscape of the LBA tract’s general analysis area is not particularly suited to paleontological exposure. The general analysis area is generally rolling sagebrush shrubland and grassland. No substantial areas of bedrock exposures are found in this vicinity. Vertebrate fossils that have been described from the Wasatch Formation include mammals such as early horses, tapiroids, condylarths, primates, insectivores, marsupials, creodonts, carnivores, and multituberculates; reptiles such as crocodilians, alligators, lizards, and turtles; birds; eggs; amphibians; and fish. Non-marine invertebrates such as mollusks and ostrocods have also been described from the Wasatch. Fossil plant material is common in the Wasatch Formation. The fossil plants inventoried are primarily leaves and fossilized wood. The leaves usually occur as lignitic impressions in sandstone and siltstone and as compact masses in shale. Leaves are the most abundant fossils found during paleontological surveys and are frequently encountered during mining operations. Fossilized wood often occurs near the top of a coal seam, in carbonaceous shale or within channel sandstone. Exposures of fossil logs are common, but usually very fragmentary. Like fossil leaves, fossil logs can be readily collected in the PRB. Professional archeologists, in effort to locate unique pockets of fossilized bone such as those reported elsewhere in the Wasatch Formation in the PRB, closely examined outcrop localities in conjunction with the intensive pedestrian surveys for cultural resources. Due the ubiquitous nature of fossilized tree remains and bivalve fragments in the Wasatch Formation, the recording of fossil locations was confined to unique finds. The only observed fossils were of S6-4 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment petrified wood fragments. Fossilized wood and leaves are common and can be observed at many unrecorded locations, particularly in associated with coal outcrops. No Wasatch Formation outcrop localities produced exceptional examples and no unique finds were located within the LBA tract’s general analysis area. S6-4 AIR QUALITY S6-4.1 Existing Emission Sources In the vicinity of the South Porcupine LBA Tract, the main sources of air pollution are surface coal mining activities, vehicular traffic, railroad traffic, and various sources associated with oil and gas production and farming and ranching activities. The closest existing coal-fired power plants to the LBA tracts are the Dave Johnston plant (approximately 45 miles south-southwest) and the Wyodak Complex (approximately 63 miles north), which consists of the 90-Mw WyGen No. 1, the 335-Mw Wyodak No. 1, the 21.8-Mw Neil Simpson No. 1, the 80-Mw Neil Simpson No. 2, and two 40-Mw natural gas-fired power plants. S6-4.2 Proposed Emission Sources All of the currently proposed emission sources in the eastern PRB are discussed in Chapter 4 of the WAC DEIS document. There are currently 12 pending LBA applications, including the South Porcupine tract. Table S6-2 provides the approximate distances from the South Porcupine tract to each of the other 11 pending LBA tracts. Table S6-2. Distances to Pending LBA Tracts. LBA Tract Hay Creek II Caballo West Belle Ayr North West Coal Creek Maysdorf II West Jacobs Ranch North Hilight Field West Hilight Field South Hilight Field North Porcupine West Antelope II Adjacent Mine Buckskin Caballo Belle Ayr Coal Creek Cordero Rojo Jacobs Ranch Black Thunder Black Thunder Black Thunder North Antelope Rochelle Antelope Distance from South Porcupine 63 miles northwest 38 miles north 38 miles north 25 miles north 28 miles north 11 miles north 10 miles north 6 miles north 5 miles north Proximate Proximate

Draft EIS, Wright Area Coal Lease Applications

S6-5

Supplementary Information on the Affected Environment S6-4.3 Historical Ambient Air Quality: Particulate Emissions Refer to the discussions on historical particulate emission producing activities, monitoring results, and control measures at the North Antelope Rochelle Mine in Section S5-4.3. S6-4.4 Historical Ambient Air Quality: NO2 Emissions Refer to the discussions on historical NO2 emission producing activities, monitoring results, and control measures at the North Antelope Rochelle Mine in Section S5-4.4. S6-5 WATER RESOURCES South Porcupine LBA Tract lies within the North Antelope Rochelle Mine’s existing permit area; therefore, both the regional and site-specific baseline water resources around and within the South Porcupine LBA Tract are extensively characterized in the mine’s Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD) mine permit (PRC 2004). S6-5.1 Groundwater The South Porcupine LBA Tract overlies two geologic water-bearing strata that have been or would be directly affected by mining. In descending order, these units are the Wasatch Formation overburden and the Fort Union Formation Wyodak coal seam that will be mined. The underlying subcoal Fort Union Formation and Lance-Fox Hills Sandstone are utilized for industrial water supply at the nearby coal mines, but these units are not physically disturbed by mining activities. Baseline hydrogeologic conditions within and around the North Antelope Rochelle Mine are characterized in the WDEQ/LQD mine permit (PRC 2004), and ongoing groundwater monitoring data (depth to water and water quality) are included in the mine permit and annual reports. North Antelope Rochelle Mine’s current groundwater monitoring program is addressed in their 2007 WDEQ Annual Report (PRC 2007), and Figure 3-22 in the Wright Area Coal Leases Draft EIS (WAC DEIS) depicts the locations of the currently active monitoring wells. Recent Alluvium The South Porcupine LBA Tract’s general analysis area is drained by minor tributaries of Porcupine Creek, Horse Creek, and Antelope Creek. Mapping of the surficial geology within the tract’s general analysis area (Reheis and Coates 1987, PRC 2004) shows that alluvial deposits occur along Mike’s Draw, a north-flowing, third order ephemeral tributary of Porcupine Creek (Figure S6 2). These recent alluvial deposits are comprised of stream-channel and overbank deposits of sand and silt. Because the thickness and areal extent of these materials are very limited, and they infrequently receive recharge from S6-6 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment
BNSF &
Hili g

Draw

Olso n

S ch

ool

Matheson Road

Edwards

Road

Reno Road
Antel ope R oad

10 11

Cr ee k

cu p ine

Cr ee k
21 22

Ho lmes

Po r

raw t D Ra
23

Reno Road

C re ek
7 18

R. 71 W. R. 70 W.

R.70W.R.69W.
Tr r sle us
C ek re
6

Bla

ck tte Bu
29

Cr ee k

Draw

Matheson Road

T. 41 N.

Draw

Pa yn e

Draw

T. 42 N.

Co rd er

Ch
32

m ip
33

k un

C re ek

raw Gopher D

Ol n so

Mo e us
Dra

aw Dr

ol ho Sc

Shrew Draw

G ray

aw Dr

w
34

k ee Cr

Creek

Mackey Road

T. 42 N. T. 41 N.

Mike's

H or s e

Roger's

Draw

Re d

Dra w

ta il
Draw
15

Ed-1

E agle Draw

Cin

dy's

Cr ee
k raw
D

9
Kn

Dr aw
10

Po r ine cup

w Dra 11
dy bo ea
P
14
15

ek re C

Judi'

s
Dr aw

tz
Bol
Po
e pin rc u
23

aw
Dr

20
Belde
n

Draw

G abe
Draw

Porcupine Reservoir

ell Campb
County

Ge tch ell Dra w

An te lo pe

Sp ring

T. 41 N. T. 40 N.

Cre

R. 71 W. R. 70 W.

T. 41 N. T. 1 6 40 N. R. 70 W. R. 69 W.
36

Sun

An te l

A ntelop e R oad

raw aD An

re ek

Converse County

Dra
w
30

Ch
yr

Draw Skull

Ho
C rse re ek

Draw

GRAPHIC SCALE (FEET)

Figure S6-2. Declared Alluvial Valley Floors and Stream Laid Deposits Within and Adjacent to the North and South Porcupine LBA Tract.

Draft EIS, Wright Area Coal Lease Applications

ee Cr k

op e

ek re

S6-7

Supplementary Information on the Affected Environment the infiltration of precipitation and surface flow within the stream channel, they do not yield groundwater. No other recent alluvial deposits are associated with the other minor surface drainages within the LBA tract’s general analysis area. Wasatch Formation No significant differences in the physical and water-bearing characteristics of the Wasatch Formation strata (overburden) within the North Porcupine and South Porcupine LBA Tract’s general analysis areas are know to exist. Therefore, refer to the Wasatch Formation discussion in Section S5-5.1. Wyodak Coal With the exception of the coal seam’s average thicknesses (76 feet thick in the South Porcupine tract verses 75 feet thick in the North Porcupine tract), no significant differences in the physical and water-bearing characteristics of the Wyodak coal aquifer within the North Porcupine and South Porcupine LBA Tract’s general analysis areas are known to exist. Therefore, refer to the Wyodak Coal discussion in Section S5-5.1. Subcoal Fort Union Formation and Lance-Fox Hills Aquifer Refer to the discussion on these subcoal aquifers that are used for industrial water supply by many PRB surface coal mines, including the North Antelope Rochelle Mine, in Section S5-5.1. S6-5.2 Surface Water The North Antelope Rochelle Mine site is situated near the eastern margin of the PRB, which is a broad structural trough that lies between the Big Horn Mountains and the Black Hills. The PRB is drained by three separate drainage systems: the Powder/Little Powder, the Cheyenne, and the Belle Fourche rivers. The North Antelope Rochelle Mine and South Porcupine LBA Tract lie mostly within the Porcupine Creek watershed, which is a tributary of Antelope Creek, which is a tributary of the Cheyenne River. The southwestern-most portions of the mine’s permit area and the South Porcupine tract are drained by Horse Creek and Chyr Draw, tributaries of Antelope Creek. The topography of the Cheyenne River drainage basin is typified by broad, flat, inter-stream uplands and a wide, level expanse of eastward-sloping plains broken by a few isolated buttes. The South Porcupine LBA Tract is situated at the drainage divides separating the Porcupine Creek and Horse Creek watersheds. Figure 3-31 in the WAC DEIS depicts the surface water features within and adjacent to the South Porcupine LBA Tract. The northern and eastern portions of the tract drain north and east into Porcupine Creek via Mike’s Draw and Roger’s Draw, S6-8 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment respectively. The southern portion of the tract drains south directly into Antelope Creek via Chyr Draw, and the western portion of the tract drains west into Horse Creek via Eagle Draw, ED-1 Draw, and Redtail Draw. Mike’s Draw is a north-flowing, third order ephemeral tributary of Porcupine Creek. Near the headwaters of Mike’s Draw, the stream channel elevation is about 4,900 feet. Total topographic relief in the stream’s basin is 240 feet and the channel thalweg length is about 2.9 miles. The channel originates within the LBA tract and has an elevation of approximately 4,660 feet where it enters Porcupine Creek. Mike’s Draw has a total drainage area of approximately 2.3 square miles and it drains about 26 percent of the South Porcupine LBA Tract as applied for. Roger’s Draw is an east-flowing, second order ephemeral tributary of Porcupine Creek. Near the headwaters of Roger’s Draw, the stream channel elevation is about 4,870 feet. Total topographic relief in the stream’s basin is 340 feet and the channel thalweg length is about 2.5 miles. The channel originates within the LBA tract and has an elevation of approximately 4,600 feet where it enters Porcupine Creek. Roger’s Draw has a total drainage area of approximately 1.8 square miles and it drains about 14 percent of the South Porcupine LBA Tract as applied for. Chyr Draw is a south/southeast-flowing, third order ephemeral tributary of Antelope Creek. Near the headwaters of Chyr Draw, the stream channel elevation is about 4,860 feet. Total topographic relief in the stream’s basin is 340 feet and the channel thalweg length is about 4.5 miles. The channel originates within the LBA tract and has an elevation of approximately 4,520 feet where it enters Antelope Creek. Chyr Draw has a total drainage area of approximately 4.3 square miles and it drains about 12 percent of the South Porcupine LBA Tract as applied for. Eagle Draw is a southwest-flowing, third order ephemeral tributary of Horse Creek. Near the headwaters of Eagle Draw, the stream channel elevation is about 4,860 feet. Total topographic relief in the stream’s basin is 230 feet and the channel thalweg length is about 2.4 miles. The channel originates within the LBA tract and has an elevation of approximately 4,720 feet where it leaves the LBA tract. Eagle Draw has a total drainage area of approximately 2.5 square miles and it drains about 24 percent of the South Porcupine LBA Tract as applied for. ED-1 Draw is a south-flowing, second order ephemeral tributary of Eagle Draw. Near the headwaters of ED-1 Draw, the stream channel elevation is about 4,860 feet. Total topographic relief in the stream’s basin is 210 feet, the channel thalweg length is about 2 miles. The channel elevation is about 4,850 feet where it enters the LBA tract and approximately 4,820 feet where leaves the LBA tract. ED-1 Draw has a total drainage area of approximately 0.5 square miles and it drains about 2 percent of the South Porcupine LBA Tract as applied for. Draft EIS, Wright Area Coal Lease Applications S6-9

Supplementary Information on the Affected Environment A first order unnamed tributary to Redtail Draw, a south-flowing, third order ephemeral tributary of Horse Creek (which is a tributary of Antelope Creek), drains the western portion of the South Porcupine tract. Near the headwaters of Redtail Draw, the stream channel elevation is about 4,900 feet. Total topographic relief in the stream’s basin is 230 feet, the channel thalweg length is about 1.9 miles. Redtail Draw has a total drainage area of approximately 1.9 square miles and it drains about 1 percent of South Porcupine LBA Tract as applied for. Other minor non-contributing areas and smaller tributaries covers the balance (21 percent) of the LBA tract as applied for. All of these minor streams and draws within and adjacent to the LBA tract are typical for the region, in that flow events are ephemeral. Stream runoff is typically of short duration and exhibits temporal patterns similar to precipitation events. All ephemeral streams in the region show the characteristic extreme low-flow period from October through January. Flow events frequently result from snowmelt during the late winter and early spring. Although peak discharges from such events are generally small, the duration and therefore the percentage of annual runoff volume can be considerable. During the spring, general storms (both rain and snow) are more frequent; hence increasing soil moisture and decreasing infiltration capacity, and subsequent rainstorms can result in higher runoff volumes and peak discharges. S6-5.3 Water Rights The Wyoming State Engineer’s Office (SEO) administers water rights in Wyoming. Water rights are granted for both groundwater and surface water appropriations. Prior to development of water resources associated with energy development, water appropriations (either groundwater or surface water) in the PRB were typically for livestock use. Records of the SEO have been searched for groundwater rights within a 3-mile radius of the BLM study area for the South Porcupine LBA Tract. This information is required for WDEQ permitting. The summary of the most recent search is provided below. Currently, mining companies and coal bed natural gas (CBNG) development companies hold the majority of the water rights in the search area. A more detailed listing of the non-coal mine related groundwater rights within a 3-mile radius of the LBA tract is presented in Table S6-3. Wyoming SEO data indicate that, as of August 2008, there are 779 permitted water wells within 3 miles of the South Porcupine LBA Tract, of which, 388 are owned by coal mining companies. The other 391 non-coal mine related, permitted water wells, which include 324 wells permitted for uses related to CBNG development, are permitted for the following uses:
  

173 CBNG only 70 CBNG and miscellaneous 57 stock and CBNG Draft EIS, Wright Area Coal Lease Applications

S6-10

Supplementary Information on the Affected Environment
        

37 stock 20 CBNG and reservoir supply 18 monitoring 6 domestic and stock 3 dewatering and CBNG 3 industrial 2 miscellaneous 1 stock and miscellaneous 1 stock, miscellaneous, and CBNG

Of the non-coal mine related wells within the search area, approximately 83 percent have permits related to CBNG development; 26 percent have permits related to livestock use; 19 percent have permits related to miscellaneous use; five percent have permits related to monitoring; and two percent have permits related to domestic uses. As the above numbers indicate, most of these 391 wells are permitted for multiple uses. SEO records have been searched for surface water rights within a 3-mile radius of the BLM study area for the South Porcupine LBA Tract. Like the groundwater rights, this information is also required for WDEQ permitting. A summary of the most recent search is provided below. A more detailed listing of the non-coal mine related surface water rights is presented in Table S5-4. For the South Porcupine LBA Tract, SEO records indicate that as of August 2008, there are 223 non-coal mine related, permitted surface water rights within the search area. These surface water rights are permitted for the following uses:
          

157 stock 37 irrigation 7 undefined 4 industrial and flood control 4 temporary and industrial 4 temporary, industrial, and miscellaneous 3 irrigation and stock 3 stock and irrigation 2 industrial and pollution control 1 industrial 1 industrial and temporary

Draft EIS, Wright Area Coal Lease Applications

S6-11

Supplementary Information on the Affected Environment Table S6-3. Groundwater Rights for the South Porcupine LBA Tract.
Permit
P44332W P8967P P37364W P25607P P2314W P112G P33290W 38/10/350W P25936W P48737W P2301W P161756W P161757W P161758W P161759W P108419W P71738W P152730W P152731W P152733W P153120W P153123W P95332W P95333W P183669W P156299W P156300W P156301W P156302W P156303W P156304W P156305W P156306W P12754P P44330W P152258W P152259W

Priority
7/20/1978 5/1/1965 4/19/1977 1/14/1974 7/18/1951 7/25/1951 5/17/1976 11/21/2005 2/19/1974 6/18/1979 4/14/1950 8/23/2004 8/23/2004 8/23/2004 8/23/2004 12/16/1997 1/14/1986 7/2/2003 7/2/2003 7/2/2003 7/28/2003 7/28/2003 2/12/1986 7/30/1981 10/29/2007 11/28/2003 11/28/2003 11/28/2003 11/28/2003 11/28/2003 11/28/2003 11/28/2003 11/28/2003 12/30/1951 7/20/1978 6/2/2003 6/2/2003

T
40 40 40 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41

R
70 71 71 70 70 70 70 70 70 70 70 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
6 1 3 6 9 16 18 22 27 31 33 1 1 1 1 1 1 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 4 4

QQ
NWSE SESE NESW NWSE SWNW SESE SENW NENW NWNE NWSE NESW SWNW SWSW NENW NESW NWSW SWNW SWNE SWSE NESE SWNW NESW NENE NENE SWSW NESE NENE SWSE SWNE NESW NENW SWSW SWNW NESW NWSE SWNE NENW

Applicant
USDA FOREST SERVICE USDA FOREST SERVICE USA USDA FOREST SERVICE PAUL & EDITH RUTH WILKINSON JOHN C. DILTS, JR. JOHN C. DILTS, JR. USDA FOREST SERVICE E.H. OFTEDAL & SONS INC. JOHN C. DILTS, JR. JOHN C. DILTS, JR.** ANTELOPE COAL COMPANY JOHN C. DILTS, JR. CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC REDSTONE RESOURCES, INC USA USDA FOREST SERVICE BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION FRANCES PUTNAM FRANCES PUTNAM SIOUX RANCH INC. BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION USDA FOREST SERVICE USDA FOREST SERVICE BILL BARRETT CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS BILL BARRETT CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS MARG #7

Facility Name

Status
GST GST GST GST GST GST GST GSI GST GST GST GSI GSI GSI GSI UNA UNA GST GST GST GST GST GST GST GSI GST GST GST GST GST GST GST GST GST GST GST GST

Uses
STO STO STO STO STO STO STO IND STO MON STO CBM,MIS CBM,MIS CBM,MIS CBM,MIS STO,MIS,CBM STO CBM CBM CBM CBM CBM DOM,STO DOM,STO STO CBM CBM CBM CBM CBM CBM CBM CBM STO STO CBM CBM

Static WL
-4 -6 130 -4 0 230 300 -6 9.25 0

T.D.
722 565 585 805 700 260 644 845 25 540

MORTON #T B 93 ISENBERGER # TB 206 WILKINSON #3 DILTS #21 JOHN DILTS #3 WELL BELL #T B 199 (DEEPENED) WILKERSON #1 DILTS #27-41-70 OWAL-44 DILTS #8 PORK S FED 12-1-41-71 PORK S FED 14-1-41-71 PORK S FED 21-1-41-71 PORK S FED 23-1-41-71 FEDERAL 13AC-111 WILKINSON SPRING TB #55 H. Putnam 32-2-4171 H. Putnam 34-2-4171 H. Putnam 43-2-4171 FEDERAL 12-2-41-71 FEDERAL 23-2-41-71 JINX #3 JINX #2 SIOUX RANCH-2-1 PORK S FED 43-3-41-71 PORK S FED 41-3-41-71 PORK S FED 34-3-41-71 PORK S FED 32-3-41-71 PORK S FED 23-3-41-71 PORK S FED 21-3-41-71 PORK S FED 14-3-41-71 PORK S FED 12-3-41-71 MATHESON #TB 42 MARG #5 STATE 32-4-4171 STATE 21-4-4171

457.28 434 440 464.65 474.7 50 45 488 478 499 510 487 530 518 508 -1 94 519.62 529.37

486.53 464 486 507.71 505.54 480 360 550 545 583 577 540 600 577 562 122 163 646 650

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S6-3. Groundwater Rights for the South Porcupine LBA Tract (Continued).
Permit
P152260W P152261W P179982W P179983W P179984W P179985W P151087W P151088W P151089W P151090W P159417W P159418W P159419W P159420W P151091W P151092W P151093W P151094W P143886W P143887W P143890W P143895W P143898W P143901W P149739W P149742W P149738W P149738W P149740W P5611P P171805W P171806W P171807W P171804W P159421W P159422W

Priority
6/2/2003 6/2/2003 2/23/2007 2/23/2007 2/23/2007 2/23/2007 4/28/2003 4/28/2003 4/28/2003 4/28/2003 5/12/2004 5/12/2004 5/12/2004 5/12/2004 4/28/2003 4/28/2003 4/28/2003 4/28/2003 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 2/19/2003 2/19/2003 2/19/2003 2/19/2003 2/19/2003 5/2/1960 8/18/2005 8/18/2005 8/18/2005 8/18/2005 5/12/2004 5/12/2004

T
41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 7 7

QQ
SWNW NENE NESE NENE SESW SWSW SWSW NESW SWSE NESE SWNW SWSW NENW NESW SWNE SWSE NENE NESE SWNW SWSW SWSW NENW NESW NESW SWNW SWSW NESW NESW NENW SWNW SWNE NESE SWSE NENE SWNW SWSW

Applicant
BILL BARRETT CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS BILL BARRETT CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS COLEMAN OIL & GAS, INC.**JEANNE JAROSH COLEMAN OIL & GAS, INC.**JEANNE JAROSH COLEMAN OIL & GAS, INC.**JEANNE JAROSH COLEMAN OIL & GAS, INC.**JEANNE JAROSH WILLIAMS PRODUCTION RMT** WY STATE BOARD OF LAND COMMISSIONERS WILLIAMS PRODUCTION RMT** WY STATE BOARD OF LAND COMMISSIONERS WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** LANCE OIL & GAS COMPANY, INC COLEMAN OIL & GAS, INC. COLEMAN OIL & GAS, INC. COLEMAN OIL & GAS, INC. COLEMAN OIL & GAS, INC. LANCE OIL & GAS LANCE OIL & GAS LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC ROBERT E. ISENBERGER YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. COLEMAN OIL & GAS, INC.**PATRICIA LITTON COLEMAN OIL & GAS, INC.**PATRICIA LITTON

Facility Name
STATE 12-4-4171 STATE 41-4-4171 JAROSH FEDERAL #43-8 JAROSH FEDERAL #41-8 JAROSH FEDERAL #24-4 JAROSH FEDERAL #14-4 STATE FEDERAL 14-4-4171 STATE FEDERAL 23-4-4171 STATE FEDERAL 34-4-4171 STATE FEDERAL 43-4-4171 BRIDLE BIT FEDERAL #12-5 BRIDLE BIT FEDERAL #14-5 BRIDLE BIT FEDERAL #21-5 BRIDLE BIT FEDERAL #23-5 BRIDLE BIT FEDERAL 32-5-4171 BRIDLE BIT FEDERAL 34-5-4171 BRIDLE BIT FEDERAL 41-5-4171 BRIDLE BIT FEDERAL 43-5-4171 FEDERAL 12W-511 FEDERAL 14LW-511 FEDERAL 14UW-511 FEDERAL 21W-511 FEDERAL 23LW-511 FEDERAL 23UW-511 LITTON FED 12-6-4171 LITTON FED 14-6-4171 LITTON FED 23-6-4171 LITTON FED 23-6-4171 LITTON FED 12-6-4171 LY #1 BEARCAT CS FEDERAL #2 BEARCAT CS FEDERAL #3 BEARCAT CS FEDERAL #4 BEARCAT CS FEDERAL #1 ISENBERGER FEDERAL #12-7 ISENBERGER FEDERAL #14-7

Status
GST GST GSI GSI GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST GST GSI GSI GSI GST GST GST

Uses
CBM CBM CBM CBM CBM CBM STO,CBM STO,CBM STO,CBM STO,CBM CBM,RES CBM,RES CBM,RES CBM,RES STO,CBM STO,CBM STO,CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,RES CBM,RES

Static WL
496.86 324

T.D.
640 619

512 502 466 450 574 463 629 540 551 443 553 492

647 620 586 573 645 584 706 614 665 566 687 606

656 597 637 637 650 280

768 714 753 753 765 344

694 595 505

716 662 584

Draft EIS, Wright Area Coal Lease Applications

S6-13

Supplementary Information on the Affected Environment Table S6-3. Groundwater Rights for the South Porcupine LBA Tract (Continued).
Permit
P159423W P159424W P149741W P162910W P162900W P23598W P23603P P143882W P143884W P143888W P143891W P143893W P143896W P143899W P143902W P171808W P159425W P159426W P159427W P161325W P159428W P159429W P159430W P108190W P143883W P143885W P143889W P143892W P143894W P143897W P143900W P143903W P143907W P143911W P143919W P143923W P171809W

Priority
5/12/2004 5/12/2004 2/19/2003 9/21/2004 9/21/2004 7/25/1973 7/25/1973 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 8/18/2005 5/12/2004 5/12/2004 5/12/2004 8/3/2004 5/12/2004 5/12/2004 5/12/2004 12/4/1997 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 8/18/2005

T
41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8

QQ
NENW NESW NWNE NESE SWSE NWSE NWSW SWNW SWNW SWSW SWSW NENW NENW NESW NESW NENE SWNW SWSW NENW NESE NESW SWNE NENE SWNE SWNW SWNW SWSW SWSW NENW NENW NESW NESW SWNE SWNE NENE NENE SWSE

Applicant
COLEMAN OIL & GAS, INC.**PATRICIA LITTON COLEMAN OIL & GAS, INC.**PATRICIA LITTON LANCE OIL & GAS COMPANY, INC LANCE OIL AND GAS COMPANY LANCE OIL AND GAS COMPANY PATRICIA L. ISENBERGER PATRICIA L. ISENBERGER REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. YATES PETROLEUM CORP. COLEMAN OIL & GAS, INC. COLEMAN OIL & GAS, INC. COLEMAN OIL & GAS, INC. COLEMAN OIL & GAS, INC.**JERRY DILTS COLEMAN OIL & GAS, INC.**JERRY J. AND THE BRIDLE BIT RANCH COMPANY DILTS COLEMAN OIL & GAS, INC.**JERRY J. AND THE BRIDLE BIT RANCH COMPANY DILTS COLEMAN OIL & GAS, INC.**JERRY J. AND THE BRIDLE BIT RANCH COMPANY DILTS JERRY DILTS** KEY PRODUCTION CO. INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. YATES PETROLEUM CORP.

Facility Name
ISENBERGER FEDERAL #21-7 ISENBERGER FEDERAL #23-7 LITTON FED 31-7-4171 P LITTON FEDERAL 43-7-4171 WY P LITTON FEDERAL 34-7-4171CA LY #3 SPRING #8 FEDERAL 12LW-711 FEDERAL 12UW-711 FEDERAL 14LW-711 FEDERAL 14UW-711 FEDERAL 21UW-711 FEDERAL 21W-711 FEDERAL 23LW-711 FEDERAL 23UW-711 BEARCAT CS FEDERAL #5 BRIDLE BIT FEDERAL #12-8 BRIDLE BIT FEDERAL #14-8 BRIDLE BIT FEDERAL #21-8 BRIDLE BIT RANCH STATE #43-8 BRIDLE BIT FEDERAL #23-8 BRIDLE BIT FEDERAL #32-8 BRIDLE BIT FEDERAL #41-8 SAPELO #1 FEDERAL 12LW-811 FEDERAL 12UW-811 FEDERAL 14LW-811 FEDERAL 14UW-811 FEDERAL 21UW-811 FEDERAL 21W-811 FEDERAL 23LW-811 FEDERAL 23UW-811 FEDERAL 32LW-811 FEDERAL 32UW-811 FEDERAL 41LW-811 FEDERAL 41UW-811 BEARCAT CS FEDERAL #6

Status
GST GST GST GSE GSI GST GST GSI GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST GSI GST GST GST UNA GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI

Uses
CBM,RES CBM,RES STO,CBM CBM CBM STO STO CBM CBM CBM CBM CBM CBM CBM CBM CBM,MIS STO,CBM CBM,RES CBM,RES CBM CBM,RES CBM,RES CBM,RES STO,MIS CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM,MIS

Static WL
555 472 520

T.D.
648 658 646

100 -1

252 8

421 436 413

543 522 544

415 393 455 110

508 518 567 780

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S6-3. Groundwater Rights for the South Porcupine LBA Tract (Continued).
Permit
P151096W P151095W P151097W P171822W P171823W P171824W P171824W P171825W P171841W P151098W P171813W P171826W P171835W P171836W P171837W P171838W P58121W P152734W P152735W P152736W P153124W P153125W P162923W P171814W P171815W P160414W P160416W 40/7/494W P67807W P171868W 40/7/421W P149569W P177329W P162909W P44331W P171839W P171840W 41/1/136W

Priority
4/28/2003 4/28/2003 4/28/2003 8/18/2005 8/18/2005 8/18/2005 8/18/2005 8/18/2005 9/7/2005 4/28/2003 8/18/2005 8/18/2005 8/18/2005 8/18/2005 8/18/2005 8/18/2005 5/18/1981 7/2/2003 7/2/2003 7/2/2003 7/28/2003 7/28/2003 9/21/2004 8/18/2005 8/18/2005 7/2/2004 7/2/2004 1/11/2008 6/27/1984 11/10/2005 10/29/2007 2/4/2003 9/11/2006 9/21/2004 7/20/1978 9/7/2005 9/7/2005 6/16/2008

T
41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
9 9 9 9 9 9 9 9 9 10 10 10 10 10 10 10 11 11 11 11 11 11 11 11 11 12 12 12 13 13 14 14 14 14 14 14 14 15

QQ
NENW SWNW NESE NENE SWNE SWSW SWNE SWSE NESW SWNW SWSE NENE SWSW NESW NESE SWNE NENE SWNW NENW SWNE SWSE NESE NENW NESW SWSW SWNW NESW NWSE NWNW SWSW SWSE SWNW SWNW SWSE SESE NESW SWSW SWSE LANCE OIL & GAS

Applicant

Facility Name
BRIDLE BIT FEDERAL 21-9-4171 BRIDLE BIT FEDERAL 12-9-4171 BRIDLE BIT FEDERAL 43-9-4171 GLOSTER CS FEDERAL #1 GLOSTER CS FEDERAL #2 GLOSTER CS FEDERAL #4 GLOSTER CS FEDERAL #4 GLOSTER CS FEDERAL #5 GLOSTER CS FEDERAL #3 BRIDLE BIT FEDERAL 12-10-4171 BLENHEIM CS FEDERAL #1 GLOSTER CS FEDERAL #6 HAWKER CS FEDERAL #3 HAWKER CS FEDERAL #2 GLOSTER CS FEDERAL #8 GLOSTER CS FEDERAL #7 B H FRAC #1 H. PUTNAM 12-11-4171 H. PUTNAM 21-11-4171 H. PUTNAM 32-11-4171 PORK S FED 34-11-41-71 PORK S FED 43-11-41-71 SIOUX RANCH FEDERAL 21-11-4172 CA BLENHEIM CS FEDERAL #2 BLENHEIM CS FEDERAL #3 PORK S FED 12-12-4171 PORK S FED 23-12-4171 NARC - SW 12 WILKINSON SPRING #T B 39 GEEBEE CS FEDERAL #1 ANTELOPE COAL FED 34-14-4171CA BRIDLE BIT RANCH 12-14-4171 BRIDLE BIT RANCH 12-14-4171 ANTELOPE COAL FEDERAL 34-14 4171 WY MARG #6 GEEBEE CS FEDERAL #2 GEEBEE CS FEDERAL #3 BRIDLE BIT RANCH STA 34-15-4171

Status
GST GST GST GSI GSI GSI GSI GSI GSI GST GSI GSI GSI GSI GSI GSI GST GST GST GST GST GSE GSI GSI GST GST UNA GST GSI UNA GSE GSI GSI GST GSI GSI UNA

Uses
STO,CBM STO,CBM STO,CBM CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS MIS CBM CBM CBM CBM CBM CBM CBM,MIS CBM,MIS STO,CBM STO,CBM STO STO CBM,MIS CBM STO,CBM CBM CBM STO CBM,MIS CBM,MIS CBM

Static WL
512 379 371

T.D.
623 503 486

LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. LANCE OIL & GAS COMPANY, INC YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. BIG HORN FRACTIONATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION LANCE OIL AND GAS COMPANY YATES PETROLEUM CORP. YATES PETROLEUM CORP. BILL BARRETT CORPORATION BILL BARRETT CORPORATION UNITED STATES FOREST SERVICE USA USDA FOREST SERVICE YATES PETROLEUM CORP LANCE OIL & GAS CO. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. LANCE OIL AND GAS COMPANY USDA FOREST SERVICE YATES PETROLEUM CORP YATES PETROLEUM CORP LANCE OIL & GAS

423

533

250 443 472 468 344 427

396 533 501 481 439 492

455 441 8

490 483 8

100

605

Draft EIS, Wright Area Coal Lease Applications

S6-15

Supplementary Information on the Affected Environment Table S6-3. Groundwater Rights for the South Porcupine LBA Tract (Continued).
Permit
P151106W P151107W P156944W P147637W P151108W P147635W P147636W P152881W P155721W P171842W P150123W P150118W P150116W P150117W P150119W P150120W P150121W P150122W P159431W P159432W P143916W P143920W P143904W P143908W P171810W P171811W P171812W P171845W P171846W P171844W P159436W P125697W

Priority
4/28/2003 4/28/2003 3/8/2004 10/4/2002 4/28/2003 10/4/2002 10/4/2002 7/25/2003 11/13/2003 9/7/2005 3/14/2003 3/14/2003 3/14/2003 3/14/2003 3/14/2003 3/14/2003 3/14/2003 3/14/2003 5/12/2004 5/12/2004 3/28/2002 3/28/2002 3/28/2002 3/28/2002 8/18/2005 8/18/2005 8/18/2005 9/7/2005 9/7/2005 9/7/2005 5/12/2004 5/16/2000

T
41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
15 15 15 15 15 15 15 15 15 15 16 16 16 16 16 16 16 16 17 17 17 17 17 17 17 17 17 17 17 17 18 18

QQ
NENW SWNE NESW SWSE NENE SWNW SWSW NWSW SWSE NESE NESE NENW SWNW SWSW NESW SWNE SWSE NENE SWNE NENE NENE NENE SWNE SWNE NENW SWNW NESE SWSW SWSE NESW NESE SENE

Applicant
LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. LANCE OIL AND GAS COMPANY WILLIAMS PRODUCTION RMT COMPANY WILLIAMS PRODUCTION RMT COMPANY WILLIAMS PRODUCTION RMT COMPANY YATES PETROLEUM CORP. LANCE OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** OIL & GAS COMPANY, INC WY STATE BOARD OF LAND COMMISSIONERS** OIL & GAS COMPANY, INC COLEMAN OIL & GAS, INC.**JERRY J. AND THE BRIDLE BIT RANCH COMPANY DILTS COLEMAN OIL & GAS, INC.**JERRY J. AND THE BRIDLE BIT RANCH COMPANY DILTS REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC.** WY STATE BOARD OF LAND COMMISSIONERS REDSTONE RESOURCES INC.** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM CORP. YATES PETROLEUM** WY STATE BOARD OF LAND COMMISSIONERS YATES PETROLEUM** WY STATE BOARD OF LAND COMMISSIONERS COLEMAN OIL & GAS, INC. COLEMAN OIL & GAS, INC. LANCE

Facility Name
BRIDLE BIT FEDERAL 21-15-4171 ANTELOPE COAL FEDERAL 32-15 4171 MATHESON 23-15-4171 BRIDLE BIT RANCH 34-15-4171 BRIDLE BIT FEDERAL 41-15-4171 BRIDLE BIT RANCH 12-15-4171 BRIDLE BIT RANCH 14-15-4171 ANTELOPE COAL 13-15-4171 BRIDLE BIT RANCH 34-15-4171 GLOSTER CS FEDERAL #9 STATE 43-16-4171 STATE 21-16-4171 LANCE STATE 12-16-4171 LANCE STATE 14-16-4171 LANCE STATE 23-16-4171 LANCE STATE 32-16-4171 LANCE STATE 34-16-4171 LANCE STATE 41-16-4171 BRIDLE BIT FEDERAL #32-17 BRIDLE BIT FEDERAL #41-17 FEDERAL 41LW-1711 FEDERAL 41UW-1711 FEDERAL 32LW-1711 FEDERAL 32UW-1711 BEARCAT CS FEDERAL #7 BEARCAT CS FEDERAL #8 BEARCAT CS FEDERAL #9 BEARCAT CS FEDERAL #11 BEARCAT CS FEDERAL #12 BEARCAT CS FEDERAL #10 ISENBERGER FEDERAL #43-18 FEDERAL #42-18

Status
GST GST GSI GST GST GST GSI GSI GSI GSI GST GSI GST GST GST GST GST GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GST

Uses
STO,CBM STO,CBM CBM CBM STO,CBM CBM CBM STO,CBM STO,CBM CBM,MIS STO,CBM STO,CBM STO,CBM STO,CBM CBM STO,CBM STO,CBM STO,CBM CBM,RES CBM,RES CBM CBM CBM CBM CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,RES CBM

Static WL
255 248 205 334 235

T.D.
365 355 286 430 310

320.05 329.15 426.26 473.15 423.8 304.95 340.2 268.55 471 425

428 437 534 582 571 415 451 0 577 560

300

631

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S6-3. Groundwater Rights for the South Porcupine LBA Tract (Continued).
Permit
P159435W P159433W P159434W P163491W P171405W P171406W P171407W P143905W P143909W P143912W P143914W P143917W P143921W P143924W P143926W P162905W P162906W P162908W P162903W P162901W P162902W P162904W P162907W P162918W P162920W P162917W P162919W P23604P P171843W 41/2/136W P151109W P151110W P151111W P168479W P151112W P151113W

Priority
5/12/2004 5/12/2004 5/12/2004 10/29/2004 11/4/2005 11/4/2005 11/4/2005 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 3/28/2002 9/21/2004 9/21/2004 9/21/2004 9/21/2004 9/21/2004 9/21/2004 9/21/2004 9/21/2004 9/21/2004 9/21/2004 9/21/2004 9/21/2004 7/25/1973 9/7/2005 6/16/2008 4/28/2003 4/28/2003 4/28/2003 6/13/2005 4/28/2003 4/28/2003

T
41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 20 20 20 20 20 20 20 20 21 21 21 21 21 21 22 22 22 22 22 22 22

QQ
NENE SWNE SWSE SWNW SWSW NENW NESW SWNE SWNE SWSE SWSE NENE NENE NESE NESE NESW NENW SWNW SWSE NESE NENE SWNE SWSW NENW SWNW NESW SWSW SESW NENE NENE SWNW NENW NESW NESW SWNE NESE

Applicant
COLEMAN OIL & GAS, INC. COLEMAN OIL & GAS, INC.**PATRICIA LITTON COLEMAN OIL & GAS, INC.**PATRICIA LITTON LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. LANCE OIL & GAS COMPANY, INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. REDSTONE RESOURCES INC. LANCE OIL & GAS LANCE OIL & GAS LANCE OIL & GAS LANCE OIL & GAS COMPANY LANCE OIL AND GAS COMPANY LANCE OIL AND GAS COMPANY LANCE OIL AND GAS COMPANY LANCE OIL AND GAS COMPANY LANCE OIL AND GAS COMPANY LANCE OIL AND GAS COMPANY LANCE OIL AND GAS COMPANY LANCE OIL AND GAS COMPANY PATRICIA L. ISENBERGER YATES PETROLEUM CORP. LANCE OIL & GAS LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC

Facility Name
ISENBERGER FEDERAL #41-18 ISENBERGER FEDERAL #32-18 ISENBERGER FEDERAL #34-18 LITTON 12-18-4171 LITTON 14-18-4171 LITTON 21-18-4171 LITTON 23-18-4171 FEDERAL 32LW-1811 FEDERAL 32UW-1811 FEDERAL 34LW-1811 FEDERAL 34UW-1811 FEDERAL 41LW-1811 FEDERAL 41UW-1811 FEDERAL 43LW-1811 FEDERAL 43UW-1811 P LITTON FEDERAL 23-20-4171 CA P LITTON FEDERAL 21-20-4171 CA P LITTON FEDERAL 12-20-4171 CA P LITTON FEDERAL 34-20-4171 CA P LITTON FEDERAL 43-20-4171CA STATE FEDERAL 41-20-4171 CA BRITTLE BIT FEDERAL 32-20-4171 CA P LITTON FEDERAL 14-20-4171 CA BRIDLE BIT FEDERAL 21-21-4171 CA BRIDLE BIT FEDERAL 12-21-4171 CA P LITTON FEDERAL 23-21-4171 CA P LITTON FEDERAL 14-21-4171 CA SPRING #9 LYSANDER CS FEDERAL #1 BRIDLE BIT RANCH STA 41-22-4171 BRIDLE BIT FEDERAL 12-22-4171 BRIDLE BIT FEDERAL 21-22-4171 ANTELOPE COAL FEDERAL 23-22 4171 ANTELOPE COAL FED 23-22-4171 BRIDLE BIT FEDERAL 32-22-4171 ANTELOPE COAL FEDERAL 43-22 4171

Status
GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST GSI GSI GSI GSI GST GSE GSI GST GST GST GSI UNA GSI GSI GSI GSI GST GST

Uses
CBM,RES CBM,RES CBM,RES CBM CBM,MIS CBM,MIS CBM,MIS CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO CBM,MIS CBM STO,CBM STO,CBM STO,CBM CBM STO,CBM CBM

Static WL
543 498 443

T.D.
662 588 516

386 495 471

493 606 582

357

461

351 318 -1

460 423 8

184 163

297 264

Draft EIS, Wright Area Coal Lease Applications

S6-17

Supplementary Information on the Affected Environment Table S6-3. Groundwater Rights for the South Porcupine LBA Tract (Continued).
Permit
P147639W P162915W P162916W P147638W P152880W P155720W P63112W P159603W P96882W P171867W P159596W P136801W P23605P P67899W P153938W P153939W P153940W P153941W P151359W P151360W P151361W P153936W P153937W P162914W P162913W P162911W P162912W P23601P P163378W P23602P P9571W P139742W P23594W P23596P P23597P P11652W P16602W

Priority
10/4/2002 9/21/2004 9/21/2004 10/4/2002 7/25/2003 11/13/2003 2/11/1983 5/28/2004 8/24/1994 10/4/2005 5/28/2004 7/9/2001 7/25/1973 7/10/1984 9/4/2003 9/4/2003 9/4/2003 9/4/2003 5/14/2003 5/14/2003 5/14/2003 9/4/2003 9/4/2003 9/21/2004 9/21/2004 9/21/2004 9/21/2004 7/25/1973 10/18/2004 7/25/1973 6/30/1971 10/1/2001 7/25/1973 7/25/1973 7/25/1973 8/1/1954 9/1/1972

T
41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
22 22 22 22 22 22 24 24 24 24 26 27 27 27 28 28 28 28 29 29 29 29 29 29 29 29 29 29 33 33 33 33 34 35 35 35 35

QQ
NENE SWSE SWSW SWNE NWNE NENE SWNE SWSE NENW NESW NENE SWNE SWSW NESW SWSW NESW SWNW NENW SWSE NESW SWNW SWSW NESE NENW SWNE NESE NENE SWNW SWNW NWNW SWSE NESW SWNE NENE SWSE SENE SWNW

Applicant
LANCE OIL & GAS COMPANY, INC. LANCE OIL AND GAS COMPANY LANCE OIL AND GAS COMPANY WILLIAMS PRODUCTION RMT COMPANY WILLIAMS PRODUCTION RMT COMPANY WILLIAMS PRODUCTION RMT COMPANY BRIDLE BIT RANCH COLEMAN OIL & GAS, INC. WESCO, INC YATES PETROLEUM CORP COLEMAN OIL & GAS, INC. CONOCO PHILLIPS COMPANY PATRICIA L. ISENBERGER USA USDA FOREST SERVICE BOWERS OIL/GAS, INC. BOWERS OIL/GAS, INC. BOWERS OIL/GAS, INC. BOWERS OIL/GAS, INC. BOWERS OIL/GAS, INC. BOWERS OIL/GAS, INC. BOWERS OIL/GAS, INC. BOWERS OIL/GAS, INC. BOWERS OIL/GAS, INC. LANCE OIL & GAS LANCE OIL & GAS LANCE OIL AND GAS COMPANY LANCE OIL AND GAS COMPANY PATRICIA L. ISENBERGER BOWERS OIL AND GAS, INC. PATRICIA L. ISENBERGER USDA FOREST SERVICE YATES PETROLEUM CORP. PATRICIA L. ISENBERGER PATRICIA L. ISENBERGER PATRICIA L. ISENBERGER ROBERT E. ISENBERGER

Facility Name
BRIDLE BIT RANCH 41-22-4171 ANTELOPE COAL FEDERAL 34-22 4171CA ANTELOPE COAL FEDERAL 14-22 4171 CA BRIDLE BIT RANCH 32-22-4171 ANTELOPE COAL 31-22-4171 BRIDLE BIT RANCH 41-22-4171 BRIDLE BIT RANCH #1 ISENBERGER #34-24 WESCO #1 GEEBEE CS FEDERAL #5 ISENBERGER #41-26 ANTELOPE CREEK #32-27-41-71 SPRING #10 ISENBERGER SPRING #T B 63 BOG-FED #1-28 BOG-FED #2-28 BOG-FED #3-28 BOG-FED #4-28 BOG-FEE #1-29 BOG-FEE #2-29 BOG-FEE #3-29 BOG-FED #4-29 BOG-FED #5-29 P LITTON FEDERAL 21-29-4171 CA ANTELOPE COAL FEDERAL 32-29 4171 CA P LITTON FEDERAL 43-29-4171 CA P LITTON FEDERAL 41-29-4171 CA LY #6 BOG- FEE #1-33 LY #7 JACOBS #T.B. 161 ROCHELLE HILLS CS FEDERAL #1 ARTESION #3 ARTESIAN #4 SCHOOL HOUSE #1 COAL MINE #1

Status
GST GST GST GSI GSI GSI GST GSI UNA GSE GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GST GSI GSI GST GST GST GST GSE GST GST GST GST

Uses
CBM CBM CBM CBM STO,CBM STO,CBM STO CBM MIS CBM,MIS CBM CBM STO STO CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO CBM STO STO STO,CBM STO DOM,STO DOM,STO STO IND

Static WL
167 286 309

T.D.
270 391 418

230 288 289 148 -1 8 97 62 81 74 106 90 76 38 65 338 277

442 596 575 425 8 8 344 300 354 385 346 366 390 350 366 445 387

-1 166 -1 0 -4 -4 -1 8 -1

250 245 600 495 640 -1 550 30 50

WYOMING BOARD OF LAND COMM.**H. R. MATHESON STATE-MATHESON #1

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S6-3. Groundwater Rights for the South Porcupine LBA Tract (Continued).
Permit
P46168W P157826W P157827W P160421W P160422W P160423W P162373W P25605P P160424W P160425W P160426W P160427W P160428W P160429W P162367W P162368W P162369W P40092W P40093W P42620W P161772W P161773W P161774W P161775W P138035W P138036W P139209W P139210W P40094W P40096W P40098W P40099W P40100W P40101W P40102W P42622W

Priority
12/14/1978 4/9/2004 4/9/2004 7/2/2004 7/2/2004 7/2/2004 9/10/2004 1/14/1974 7/2/2004 7/2/2004 7/2/2004 7/2/2004 7/2/2004 7/2/2004 9/10/2004 9/10/2004 9/10/2004 8/22/1977 8/22/1977 3/10/1978 8/26/2004 8/26/2004 8/26/2004 8/26/2004 8/15/2001 8/15/2001 8/21/2001 8/21/2001 8/22/1977 8/22/1977 8/22/1977 8/22/1977 8/22/1977 8/22/1977 8/22/1977 3/10/1978

T
41 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
71 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70

S
36 19 19 19 19 19 19 19 20 20 20 20 20 20 21 21 21 21 21 21 29 29 29 30 30 30 30 30 33 33 33 33 33 33 33 33

QQ
NESW NESW SWNE SWSW NENW NESE NENE NESW SWNW SWSW NENW NESW SWSE NENE SWNW SWSW NESW SWSE SWSE SESE SWNW NENW NENE NENE SWNW NENW SENW NWNW SESW SWNE SENE SESE SWNE SENW SENW SESW

Applicant
WY BOARD OF LAND COMMISSIONERS**PATRICIA EISENBERGER BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION PAUL & EDITH RUTH WILKINSON BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC PEABODY NATURAL GAS, LLC** LAND COMMISSIONERS PEABODY NATURAL GAS, LLC** LAND COMMISSIONERS PEABODY NATURAL GAS, LLC** LAND COMMISSIONERS PEABODY NATURAL GAS, LLC** LAND COMMISSIONERS USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE WY STATE BOARD OF

Facility Name
EISENBERGER-STATE #1 PRCC 23-19-4270 PRCC 32-19-4270 PORK NE FEDERAL 14-19-4270 PORK NE FEDERAL 21-19-4270 PORK NE FEDERAL 43-19-4270 PORK NE FEDERAL 41-19-4270 WILKINSON #1 PORK NE FEDERAL 12-20-4270 PORK NE FEDERAL 14-20-4270 PORK NE FEDERAL 21-20-4270 PORK NE FEDERAL 23-20-4270 PORK NE FEDERAL 34-20-4270 PORK NE FEDERAL 41-20-4270 PORK NE FEDERAL 12-21-4270 PORK NE FEDERAL 14-21-4270 PORK NE FEDERAL 23-21-4270 SEAM MONITORING WELL #1-D SEAM MONITORING WELL #1-F SEAM MONITOR WELL #23 PORK NE FED 12-29-42-70 PORK NE FED 21-29-42-70 PORK NE FED 41-29-42-70 PORK NE FED 41-30-42-70 VEG STATE # 12-30

Status
GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST

Uses
STO CBM CBM STO,CBM STO,CBM STO,CBM STO,CBM DOM,STO STO,CBM STO,CBM STO,CBM CBM STO,CBM CBM STO,CBM STO,CBM STO,CBM MON MON MON CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM CBM CBM CBM MON MON MON MON MON MON MON MON

Static WL

T.D.

383 390 397 418 409 410 3 420 401 430 414 192 439 466 423 447 162 175 -1

465 451 467 492 476 490 12 486 450 480 455 443 500 527 436 523 255 200 200

316 309 280 300 53 -1 -1 -1 -1 -1 46 -1

405 424 379 420 80 50 50 220 260 260 80 220

WY STATE BOARD OF VEG STATE # 21-30 WY STATE BOARD OF VEG FEDERAL # 22-30 WY STATE BOARD OF VEG FEDERAL #11-30 SEAM MONITORING WELL #1-H SEAM MONITORING WELL #2-J SEAM MONITORING WELL #2-L SEAM MONTORING WELL #3-M SEAM MONITORING WELL #3-N SEAM MONITORING WELL #3 D SEAM MONITORING WELL #3-P SEAM MONITOR WELL #25

Draft EIS, Wright Area Coal Lease Applications

S6-19

Supplementary Information on the Affected Environment Table S6-3. Groundwater Rights for the South Porcupine LBA Tract (Continued).
Permit
P42624W P42625W P42626W P42627W P42630W P111943W P40095W P153131W P153132W P153133W P153134W P153135W P160444W P160445W P160446W P160448W P160447W P160449W P157828W P157829W P162376W P61754W P161760W P161761W P161762W P161763W P146184W P146185W P146187W P146192W P146193W P146186W P146188W P146189W P146190W P146191W P25606P

Priority
3/10/1978 3/10/1978 3/10/1978 3/10/1978 3/10/1978 4/1/1998 8/22/1977 7/28/2003 7/28/2003 7/28/2003 7/28/2003 7/28/2003 7/2/2004 7/2/2004 7/2/2004 7/2/2004 7/2/2004 7/2/2004 4/9/2004 4/9/2004 9/10/2004 8/11/1982 8/23/2004 8/23/2004 8/23/2004 8/23/2004 7/19/2002 7/19/2002 7/19/2002 7/19/2002 7/19/2002 7/19/2002 7/19/2002 7/19/2002 7/19/2002 7/19/2002 1/14/1974

T
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
70 70 70 70 70 70 70 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
33 33 33 33 33 34 34 22 22 22 22 22 23 23 23 23 23 23 24 24 24 24 25 26 26 26 26 26 26 26 26 26 26 26 26 26 26

QQ
SESW SWNE SESW SWSE SESW NWNE NENE NESW SWNE SWSE NENE NESE SWSW NENW NESW NENE SWNE NESE SWNW NENW SWSE NWSE NENE NENW SWNE NENE SENW SESW NWSW SESE SWSE NESW SWNW SWSW NWSE NESE NESE

Applicant
USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE NORTH AMERICAN LAND & LIVESTOCK LLC/TWO ELK GENERATION PARTNERS, LIMITED PARTNERSHIP USDA FOREST SERVICE BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS BILL BARRETT CORPORATION** WY STATE BOARD OF LAND COMMISSIONERS BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION USDA FOREST SERVICE CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES, L.C. CONTINENTAL INDUSTRIES, L.C. CONTINENTAL INDUSTRIES, L.C. CONTINENTAL INDUSTRIES, L.C. CONTINENTAL INDUSTRIES, L.C. CONTINENTAL INDUSTRIES, L.C. CONTINENTAL INDUSTRIES, L.C. CONTINENTAL INDUSTRIES, L.C. CONTINENTAL INDUSTRIES, L.C. CONTINENTAL INDUSTRIES, L.C. PAUL & EDITH RUTH WILKINSON

Facility Name
SEAM MONITORING WELL #27 SEAM MONITOR WELL #28 SEAM MONITOR WELL #29 SEAM MONITOR WELL #30 SEAM MONITOR WELL #33 GRASS 5 SEAM MONITORING WELL #2-1 FEDERAL 23-22-4271 PORK NW FED 32-22-42-71 PORK NW FED 34-22-42-71 PORK NW FED 41-22-42-71 PORK NW FED 43-22-42-71 PORK NW FEDERAL 14-23-4271 PORK NW FEDERAL 21-23-4271 PORK NW FEDERAL 23-23-4271 PORK NW FEDERAL 41-23-4271 PORK NW FEDERAL 32-23-4271 PORK NW FEDERAL 43-23-4271 PRCC 12-24-4271 PRCC 21-24-4271 PORK NW FED 34-24-4271 PCC WILKINSON RANCH #1 PORK NW FED 41-25-42-71 PORK NW FED 21-26-42-71 PORK NW FED 32-26-42-71 PORK NW FED 41-26-42-71 PORK 22-26 PORK 24-26 PORK 13-26 PORK 44-26 PORK 34-26 PORK 23-26 PORK 12-26 PORK 14-26 PORK 33-26 PORK 43-26 WILKINSON #2

Status
GST GST GST GST GST GSE GST GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GSI GST GST GST GST GST GST

Uses
MON MON MON MON MON IND MON CBM CBM CBM CBM CBM STO,CBM CBM,MIS STO,CBM STO,CBM CBM,MIS STO,CBM CBM CBM STO,CBM STO CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM DOM,STO

Static WL
-1 -1 -1 -1 -1

T.D.
80 160 264 255 80

121 455 412 455 418 407 429 404 434 408 415 441 446 454 56

160 507 462 503 467 460 469 449 491 498 460 503 527 520 110

279 302 264 247 270 100

402 423 382 363 392 220

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S6-3. Groundwater Rights for the South Porcupine LBA Tract (Continued).
Permit
P25608P P5848W P153136W P153137W P153138W P153139W P29746W P152660W P152661W P152662W P152663W P153140W P149899W P149901W P149902W P153143W P153144W P53195W P161949W P161952W P151099W P151100W P151101W P151102W P151103W P151104W P153116W P153117W P153118W P153119W P153145W P153146W P153147W P153148W P12758P P156293W P156294W

Priority
1/14/1974 6/16/1970 7/28/2003 7/28/2003 7/28/2003 7/28/2003 5/7/1975 6/23/2003 6/23/2003 6/23/2003 6/23/2003 7/28/2003 2/21/2003 2/21/2003 2/21/2003 7/28/2003 7/28/2003 8/4/1981 7/22/2004 7/22/2004 4/28/2003 4/28/2003 4/28/2003 4/28/2003 4/28/2003 4/28/2003 7/28/2003 7/28/2003 7/28/2003 7/28/2003 7/28/2003 7/28/2003 7/28/2003 7/28/2003 12/30/1963 11/28/2003 11/28/2003

T
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
26 26 27 27 27 27 27 28 28 28 28 28 28 28 28 32 32 32 32 32 32 32 32 32 32 32 33 33 33 33 33 33 33 33 33 34 34

QQ
SWNW SWNW SWNW SWSW NENW NESW NENW SWNE SWSE NENE NESE NENW SWNW SWSW NESW SWNE NENE NWNW NESW SWNW SWNW SWSW NENW NESW SWSE NESE SWNW SWSW NENW NESW SWNE SWSE NENE NESE SENE SWNE NENW

Applicant
PAUL & EDITH RUTH WILKINSON PAUL WILKINSON BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION USDA FOREST SERVICE BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH COMPANY COLEMAN OIL & GAS, INC.**JERRY J/BARBARA H DILTS & BRIDLE BIT RANCH COMPANY BILL BARRETT CORPORATION BILL BARRETT CORPORATION DILTS BROS. LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC LANCE OIL & GAS COMPANY, INC BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION BILL BARRETT CORPORATION USDA FOREST SERVICE BILL BARRETT CORPORATION BILL BARRETT CORPORATION

Facility Name
WILKINSON #4 MIDDLE PASTURE #1 PORK NW FED 12-27-42-71 PORK NW FED 14-27-42-71 PORK NW FED 21-27-42-71 PORK NW FED 23-27-42-71 WRIGHT #T B 195 J DILTS 32-28-4271 J DILTS 34-28-4271 J DILTS 41-28-4271 J DILTS 43-28-4271 FEDERAL 21-28-4271 BRIDLE BIT RANCH #12-28 BRIDLE BIT RANCH #14-28 BRIDLE BIT RANCH #23-28 PORK NW FED 32-32-42-71 PORK NW FED 41-32-42-71 DILTS BROS. #1 BRITTLE BIT FED 23-32-4271 BRITTLE BIT FED 12-32-4271 BRIDLE BIT FEDERAL 12-32-4271 BRIDLE BIT FEDERAL 14-32-4271 BRIDLE BIT FEDERAL 21-32-4271 BRIDLE BIT FEDERAL 23-32-4271 BRIDLE BIT FEDERAL 34-32-4271 BRIDLE BIT FEDERAL 43-32-4271 J DILTS 12-33-42-71 J DILTS 14-33-42-71 J DILTS 21-33-42-71 J DILTS 23-33-42-71 JWS FED-DL COOK 32-33-42-71 JWS FED-DL COOK 34-33-42-71 JWS FED-DL COOK 41-33-42-71 JWS FED-DL COOK 43-33-42-71 MATHESON #TB 72 JWS FED 32-34-42-71 DL COOK JWS FED 21-34-42-71 DL COOK

Status
GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GSI GSI GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST GST

Uses
STO STO CBM CBM CBM CBM STO CBM CBM CBM CBM CBM STO,CBM STO,CBM STO,CBM CBM CBM STO CBM CBM,RES STO,CBM STO,CBM CBM STO,CBM STO,CBM CBM CBM CBM CBM CBM CBM CBM CBM CBM STO CBM CBM

Static WL
-4 0 428 448 414 413 30 480 494.26 438 460 503 383 402 366 624.72 589.88 200

T.D.
110 140 495 489 472 484 175 500 520 502 480 525 536 574 525 667 662 735

609 580 565 545 594 528 480.77 489.36 501.04 468 506 577 465 493 -1 416 432

721 711 678 712 718 643 590 605 567 601 591 648 488 530 -1 451 483

Draft EIS, Wright Area Coal Lease Applications

S6-21

Supplementary Information on the Affected Environment Table S6-3. Groundwater Rights for the South Porcupine LBA Tract (Continued).
Permit
P156295W P156296W P44329W P161764W P161765W P161766W P161767W P161768W P161769W P161770W P161771W P12756P

Priority
11/28/2003 11/28/2003 7/20/1978 8/23/2004 8/23/2004 8/23/2004 8/23/2004 8/23/2004 8/23/2004 8/23/2004 8/23/2004 12/30/1966

T
42 42 42 42 42 42 42 42 42 42 42 42

R
71 71 71 71 71 71 71 71 71 71 71 71

S
34 34 34 35 35 35 35 35 35 35 35 35

QQ
SWNW NENE NWSE SWNW NENW SWNE NENE SWSW NESW SWSE NESE SWSE

Applicant
BILL BARRETT CORPORATION BILL BARRETT CORPORATION USDA FOREST SERVICE CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC CONTINENTAL INDUSTRIES LC USDA FOREST SERVICE CONTINENTAL INDUSTRIES LC** POWDER RIVER COAL CO. NORTH ANTELOPE/ROCHELLE COMPLEX** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC** POWDER RIVER COAL CO. NORTH ANTELOPE/ROCHELLE COMPLEX** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC** POWDER RIVER COAL CO. NORTH ANTELOPE/ROCHELLE COMPLEX** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC** POWDER RIVER COAL COMPANY** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC** POWDER RIVER COAL COMPANY** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC** POWDER RIVER COAL COMPANY** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC** POWDER RIVER COAL COMPANY** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC** POWDER RIVER COAL COMPANY** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC** POWDER RIVER COAL COMPANY** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC** POWDER RIVER COAL COMPANY** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC** POWDER RIVER COAL COMPANY** WY STATE BOARD OF LAND COMMISSIONERS CONTINENTAL INDUSTRIES LC** POWDER RIVER COAL COMPANY** WY STATE BOARD OF LAND COMMISSIONERS

Facility Name
JWS FED 12-34-42-71 DL COOK JWS FED 41-34-42-71 DL COOK MARG #4 PORK NW FED 12-35-42-71 PORK NW FED 21-35-42-71 PORK NW FED 32-35-42-71 PORK NW FED 41-35-42-71 JWS FED 14-35-42-71 JWS FED 23-35-42-71 JWS FED 34-35-42-71 JWS FED 43-35-42-71 WILKINSON #TB 129

Status
GST GST GST GSI GSI GSI GSI GSI GSI GSI GSI GST

Uses
CBM CBM STO CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS CBM,MIS STO

Static WL
442 391 95

T.D.
483 428 183

-1

P138478W

8/2/2001

NWNE

DW-36-32

GST

DEW,CBM

259

360

P138479W

8/2/2001

NENW

DW-36-31

GST

DEW,CBM

250

349

P138480W

8/2/2001

NWNW

DW-36-30

GST

DEW,CBM

315

416

P138408W

8/21/2001

NENE

STATE # 41-36

GST

CBM,MIS

250

357

P138409W

8/21/2001

SWNE

STATE # 32-36

GST

CBM,MIS

230

339

P138410W

8/21/2001

SENE

STATE # 42-36

GST

CBM,MIS

260

366

P138411W

8/21/2001

NESE

STATE # 43-36

GST

CBM,MIS

220

319

P138412W

8/21/2001

SESE

STATE # 44-36

GST

CBM,MIS

230

336

P138417W

8/21/2001

SWNW

STATE #12-36

GST

CBM,MIS

300

403

P138418W

8/21/2001

NWSW

STATE #13-36

GST

CBM,MIS

300

400

P138419W

8/21/2001

SWSW

STATE #14-36

GST

CBM,MIS

320

420

P138420W

8/21/2001

SENW

STATE #22-36

GST

CBM,MIS

270

373

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S6-3. Groundwater Rights for the South Porcupine LBA Tract (Continued).
Permit Priority T R S QQ Applicant
CONTINENTAL INDUSTRIES LC** POWDER RIVER COAL COMPANY** WY STATE BOARD OF LAND COMMISSIONERS POWDER RIVER COAL COMPANY** CONTINENTAL INDUSTRIES LC** WY STATE BOARD OF LAND COMMISSIONERS POWDER RIVER COAL COMPANY** CONTINENTAL INDUSTRIES LC** WY STATE BOARD OF LAND COMMISSIONERS POWDER RIVER COAL COMPANY** CONTINENTAL INDUSTRIES LC** WY STATE BOARD OF LAND COMMISSIONERS

Facility Name

Status

Uses

Static WL
280

T.D.

P138424W

8/21/2001

SWSE

STATE #34-36

GST

CBM,MIS

381

P138421W

8/21/2001

NESW

STATE #23-36

GST

CBM,MIS

280

388

P138422W

8/21/2001

SESW

STATE #24-36

GST

CBM,MIS

290

397

P138423W

8/21/2001

NWSE

STATE #33-36

GST

CBM,MIS

250

349

Draft EIS, Wright Area Coal Lease Applications

S6-23

Supplementary Information on the Affected Environment
Notes for Non Mining-related Groundwater Rights within 3 Miles of the South Porcupine LBA Tract Search Conducted August 2, 2008 Groundwater Right Township 40N 40N 41N 41N 42N 42N Search Area: Range 70W 71W 70W 71W 70W 71W

Sections 5-6
1-3
3-10, 15-22, 27-33 1-18, 20-29, 33-36 19-21, 28-34 22-28, 32-36

Status Codes ADJ Adjudicated GSE Good standing, permitted time limits have been extended GSI Good standing incomplete; required notices not received; not yet expired GSM Good standing but map is still required GST Good standing UNA Unadjudicated Approximately 420 separate water rights with a status code of ABA (Abandoned), A&C (Abandoned and Cancelled), CAN (Cancelled), or EXP (Expired) have been eliminated from the listing provided above, as none of these well codes represent a valid current right. Use Codes CBM Coal Bed Methane DEW Dewatering DOM Domestic DRI Drilling IND Industrial STO Stock

IRR MIS MON RES TEM

Irrigation Miscellaneous Monitoring Reservoir Supply Temporary Use

S6-24

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S6-4. Surface Water Rights for the South Porcupine LBA Tract.
Permit
P27435D P27435D P27435D P27435D P15515S P15515S P15516S P15516S P17602S P17602S P33348D P19382D P19382D P5292R P5292R P5292R P5292R P5292R P5292R P19382D P5292R P2210S P2210S P25857D P25857D P25857D P25857D P17714S P17714S P15973S P15972S P15968S P15968S P15969S P15941S

Priority
12/17/1981 12/17/1981 12/17/1981 12/17/1981 3/20/2002 3/20/2002 6/20/2002 6/20/2002 7/8/2002 7/8/2002 11/2/2005 5/8/1940 5/8/1940 5/8/1940 5/8/1940 5/8/1940 5/8/1940 5/8/1940 5/8/1940 5/8/1940 5/8/1940 1/30/1958 1/30/1958 8/8/1978 8/8/1978 8/8/1978 8/8/1978 1/30/2006 1/30/2006 6/14/2004 6/14/2004 6/14/2004 6/14/2004 6/14/2004 6/14/2004

T
42 42 42 42 41 41 41 41 41 41 42 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 42 42 41 41 41 41 41 41

R
71 71 71 71 71 71 71 71 71 71 71 70 70 70 70 70 70 70 70 70 70 71 71 71 71 71 71 71 71 71 71 71 71 71 71

S
36 36 36 36 18 18 5 6 7 8 27 27 27 27 27 27 27 27 27 27 27 6 6 25 25 25 25 32 32 14 14 17 17 22 10

QQ
SWSW NWNW SWNW NWSW SWNE SWNE SWSW SESE NESE NWSW SENE SESE SWSE SWSE NWSE SENW SWNE SESW NESW SWSE SWSE NESE NESE NWNW SENE NENW SWNE SENW SWNW NWSW NESW SWSW NWSW NWNW SESW

Applicant
CAMPBELL COUNTY ROAD & BRIDGE CAMPBELL COUNTY ROAD & BRIDGE CAMPBELL COUNTY ROAD & BRIDGE CAMPBELL COUNTY ROAD & BRIDGE COLEMAN OIL & GAS, INC.**GENE AND PATRICIA LITTON COLEMAN OIL & GAS, INC.**GENE AND PATRICIA LITTON COLEMAN OIL & GAS, INC.**JERRY DILTS COLEMAN OIL & GAS, INC.**JERRY DILTS COLEMAN OIL & GAS, INC.**PATRICIA LITTON COLEMAN OIL & GAS, INC.**PATRICIA LITTON E.H. OFTEDAL & SONS, INC. FRED DILTS FRED DILTS FRED DILTS FRED DILTS FRED DILTS FRED DILTS FRED DILTS FRED DILTS FRED DILTS FRED DILTS INC. KANE'S RANCH INC. KANE'S RANCH INDUSTRIAL PIPELINES SOUTH-CENTRAL, INC. INDUSTRIAL PIPELINES SOUTH-CENTRAL, INC. INDUSTRIAL PIPELINES SOUTH-CENTRAL, INC. INDUSTRIAL PIPELINES SOUTH-CENTRAL, INC. JERRY & BARBARA DILTS FAMILY LTD. PARTNERSHIP JERRY & BARBARA DILTS FAMILY LTD. PARTNERSHIP JERRY J. DILTS JERRY J. DILTS JERRY J. DILTS JERRY J. DILTS JERRY J. DILTS JERRY J. DILTS FAMILY LTD. PARTNERSHIP & BRIDLE BIT RANCH CO.

Facility Name
PORCUPINE CREEK WATER HAUL PORCUPINE CREEK WATER HAUL PORCUPINE CREEK WATER HAUL PORCUPINE CREEK WATER HAUL OXYOKE STOCK RESERVOIR OXYOKE STOCK RESERVOIR UPPER HORSE CREEK STOCK RESERVOIR UPPER HORSE CREEK STOCK RESERVOIR TOMAHAWK STOCK RESERVOIR TOMAHAWK STOCK RESERVOIR PORCUPINE CREEK WATER HAUL WATER SPREADING DITCH WATER SPREADING DITCH PORCUPINE RESERVOIR PORCUPINE RESERVOIR PORCUPINE RESERVOIR PORCUPINE RESERVOIR PORCUPINE RESERVOIR PORCUPINE RESERVOIR WATER SPREADING DITCH PORCUPINE RESERVOIR MIKE #1 STOCK RESERVOIR MIKE #1 STOCK RESERVOIR INDUSTRIAL PIPELINES NO. 1 WATER HAUL INDUSTRIAL PIPELINES NO. 1 WATER HAUL INDUSTRIAL PIPELINES NO. 1 WATER HAUL INDUSTRIAL PIPELINES NO. 1 WATER HAUL DILTS 22-32-4271 STOCK RESERVOIR DILTS 22-32-4271 STOCK RESERVOIR SHOE HORN STOCK RESERVOIR PARALLEL STOCK RESERVOIR TWO PUDDLES STOCK RESERVOIR TWO PUDDLES STOCK RESERVOIR CALM STOCK RESERVOIR LONG PULL STOCK RESERVOIR

Status
PU PU PU PU UNA UNA UNA UNA UNA UNA UNA ADJ ADJ PU PU PU PU PU PU PUD PUO PU PUO PU PU PU PU UNA UNA UNA UNA UNA UNA UNA UNA

Uses
TEM,IND,MIS TEM,IND,MIS TEM,IND,MIS TEM,IND,MIS STO STO STO STO STO STO IND,TEM STO,IRR STO,IRR STO STO STO STO STO STO STO,IRR STO STO STO TEM,IND TEM,IND TEM,IND TEM,IND STO STO STO STO STO STO STO STO

Source
PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK OX DRAW OX DRAW MIKES DRAW MIKES DRAW GIRARD DRAW GIRARD DRAW PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK MIKES DRAW MIKES DRAW ANTELOPE CREEK ANTELOPE CREEK ANTELOPE CREEK ANTELOPE CREEK CAMERON CREEK CAMERON CREEK BIG BOY DRAW DENNELL DRAW DOS CHARCOS DRAW DOS CHARCOS DRAW CALM DRAW GRADE DRAW

Draft EIS, Wright Area Coal Lease Applications

S6-25

Supplementary Information on the Affected Environment Table S6-4. Surface Water Rights for the South Porcupine LBA Tract (Continued).
Permit
P15967S P15942S P15943S P15966S P15965S P15934S P15935S P15970S P15971S P20778D P20778D P5866R P5866R P5866R P5866R P5866R P5866R P5962R P5962R P5962R P5962R P5962R P5962R P20778D P5866R P5962R P15211S P15209S P16261S P15962S P15960S P15963S

Priority
6/14/2004 6/14/2004 6/14/2004 6/14/2004 6/14/2004 6/14/2004 6/14/2004 6/14/2004 6/14/2004 6/11/1951 6/11/1951 6/11/1951 6/11/1951 6/11/1951 6/11/1951 6/11/1951 6/11/1951 9/8/1952 9/8/1952 9/8/1952 9/8/1952 9/8/1952 9/8/1952 6/11/1951 6/11/1951 9/8/1952 10/2/2003 8/25/2003 8/20/2004 6/14/2004 6/14/2004 6/14/2004

T
41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41

R
71 71 71 71 71 71 71 71 71 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 71 71 71 71 71 71

S
9 10 10 13 24 8 17 14 23 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 15 20 20 6 6 6

QQ
NWNE NENE NESE SWSW NESW SWSE NENW SWNW SENW SWSE SESE NESW SWSE SWNE SENW SESW NWSE SWSE NWSE SENW SWNE SESW NESW SWSE SWSE SWSE NENW SENE NESW SESE NESE NESE

Applicant
JERRY J. DILTS FAMILY LTD. PARTNERSHIP BRIDLE BIT RANCH COMPANY JERRY J. DILTS FAMILY LTD. PARTNERSHIP BRIDLE BIT RANCH COMPANY JERRY J. DILTS FAMILY LTD. PARTNERSHIP BRIDLE BIT RANCH COMPANY JERRY J. DILTS FAMILY LTD. PARTNERSHIP BRIDLE BIT RANCH COMPANY JERRY J. DILTS FAMILY LTD. PARTNERSHIP BRIDLE BIT RANCH COMPANY JERRY J. DILTS LTD. PARTNERSHIP JERRY J. DILTS LTD. PARTNERSHIP JERRY J.DILTS JERRY J.DILTS JOHN C. DILTS, JR. JOHN C. DILTS, JR. JOHN C. DILTS, JR. JOHN C. DILTS, JR. JOHN C. DILTS, JR. JOHN C. DILTS, JR. JOHN C. DILTS, JR. JOHN C. DILTS, JR. JOHN C. DILTS, JR. JOHN C. DILTS, JR. JOHN C. DILTS, JR. JOHN C. DILTS, JR. JOHN C. DILTS, JR. JOHN C. DILTS, JR. JOHN C. DILTS, JR. JOHN C. DILTS, JR. JOHN C. DILTS, JR. LANCE OIL & GAS CO., INC. LANCE OIL & GAS CO., INC. LANCE OIL & GAS CO., INC.**PATRICIA LITTON PARTICIA L. ISENBERGER LITTON PATRICIA L. ISENBURGER-LITTON PATRICIA L. ISENBURGER-LITTON AND AND

Facility Name
SAND ROCK STOCK RESERVOIR LIVE WIRE STOCK RESERVOIR AND IRON HORSE STOCK RESERVOIR AND AND WALKABOUT STOCK RESERVOIR SOUTH ANTELOPE STOCK RESERVOIR HORSE SPRING STOCK RESERVOIR LITTLE BEAR STOCK RESERVOIR NICE END STOCK RESERVOIR NIFTY STOCK RESERVOIR WATER-SPREADING DITCH WATER-SPREADING DITCH PORCUPINE RESERVOIR,,FIRST ENLARGEMENT OF THE PORCUPINE RESERVOIR,,FIRST ENLARGEMENT OF THE PORCUPINE RESERVOIR,,FIRST ENLARGEMENT OF THE PORCUPINE RESERVOIR,,FIRST ENLARGEMENT OF THE PORCUPINE RESERVOIR,,FIRST ENLARGEMENT OF THE PORCUPINE RESERVOIR,,FIRST ENLARGEMENT OF THE PORCUPINE RESERVOIR,,2ND ENLARGEMENT OF THE PORCUPINE RESERVOIR,,2ND ENLARGEMENT OF THE PORCUPINE RESERVOIR,,2ND ENLARGEMENT OF THE PORCUPINE RESERVOIR,,2ND ENLARGEMENT OF THE PORCUPINE RESERVOIR,,2ND ENLARGEMENT OF THE PORCUPINE RESERVOIR,,2ND ENLARGEMENT OF THE WATER-SPREADING DITCH PORCUPINE RESERVOIR,,FIRST ENLARGEMENT OF THE PORCUPINE RESERVOIR,,2ND ENLARGEMENT OF THE DILTS #9 STOCK RESERVOIR DILTS #14 STOCK RESERVOIR SUN DOG STOCK RESERVOIR FAIRWAY STOCK RESERVOIR ENLARGEMENT OF MIKE #1 (P2210S) STOCK RESERVOIR ISENBURGER STOCK RESERVOIR

Status
UNA UNA UNA UNA UNA UNA UNA UNA UNA ADJ ADJ PU PU PU PU PU PU PU PU PU PU PU PU PUD PUO PUO UNA UNA UNA UNA UNA UNA

Uses
STO STO STO STO STO STO STO STO STO IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR STO STO STO STO STO STO

Source
LOVE POTION DRAW OHMS DRAW SPUR DRAW DENNELL DRAW GOAT DRAW STACIA DRAW MR. CLEAN DRAW BIG BOY DRAW FIFTY DRAW PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK NO. 9 DRAW NO. 14 DRAW SPRUNG DRAW PING DRAW MIKES DRAW MIKES DRAW

Draft EIS, Wright Area Coal Lease Application

Supplementary Information on the Affected Environment Table S6-4. Surface Water Rights for the South Porcupine LBA Tract (Continued).
Permit
P15961S P15963S P15961S P2379S P1978S P2815S P2378S P15944S P15946S P15945S P15944S P15944S P15944S P15946S P15945S P15945S P15945S P4943R P4943R P4943R P4943R P15228S P15210S P15210S P2208S P2208S P5059R P5059R P5059R P4237S P4237S P4898R P4898R P9853S

Priority
6/14/2004 6/14/2004 6/14/2004 8/29/1958 11/6/1957 8/12/1959 9/10/1958 10/25/2004 10/25/2004 10/25/2004 10/25/2004 10/25/2004 10/25/2004 10/25/2004 10/25/2004 10/25/2004 10/25/2004 9/12/1938 9/12/1938 9/12/1938 9/12/1938 8/25/2003 10/1/2003 10/1/2003 1/30/1958 1/30/1958 2/17/1939 2/17/1939 2/17/1939 1/31/1964 1/31/1964 7/30/1938 7/30/1938 1/14/1986

T
41 41 41 41 41 42 42 41 41 41 41 41 41 41 41 41 41 42 42 42 42 41 41 41 40 40 41 41 41 40 40 42 42 42

R
71 71 71 70 70 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 70

S
6 6 6 8 17 24 26 11 11 11 11 11 11 11 11 11 11 26 27 27 27 9 22 22 3 3 8 8 8 1 1 22 22 20

QQ
SESE SENE NESE SESW NWNW SESW SESW SWSE SWSE SESW SESW NESW NWSE NWSE NWSW NESW SWSW NWSW SWNE SENE NESE SWNW NESW NESW NWNW NWNW NWSW NESW NESW SESE SESE NENE NENE NENW

Applicant
PATRICIA L. ISENBURGER-LITTON PATRICIA L. ISENBURGER-LITTON PATRICIA L. ISENBURGER-LITTON PAUL WILKINSON PAUL WILKINSON PAUL WILKINSON PAUL WILKINSON SIOUX RANCH, INC. SIOUX RANCH, INC. SIOUX RANCH, INC. SIOUX RANCH, INC. SIOUX RANCH, INC. SIOUX RANCH, INC. SIOUX RANCH, INC. SIOUX RANCH, INC. SIOUX RANCH, INC. SIOUX RANCH, INC. STEVE NIEMCYK STEVE NIEMCYK STEVE NIEMCYK STEVE NIEMCYK THUNDER BASIN NATIONAL GRASSLAND** LANCE OIL & GAS CO., INC. THUNDER BASIN NATIONAL GRASSLAND** LANCE OIL & GAS CO., INC. THUNDER BASIN NATIONAL GRASSLAND** LANCE OIL & GAS CO., INC. U.S.D.A. U.S.D.A. U.S.D.A. U.S.D.A. U.S.D.A. U.S.D.A. FOREST SERVICE U.S.D.A. FOREST SERVICE U.S.D.A. FOREST SERVICE U.S.D.A. FOREST SERVICE USDA, FOREST SERVICE

Facility Name
SAND TRAP STOCK RESERVOIR ISENBURGER STOCK RESERVOIR SAND TRAP STOCK RESERVOIR ROGERS #1 STOCK RESERVOIR STEVE #1 STOCK RESERVOIR SLONT STOCK PIT STOCK RESERVOIR HORSEPASTURE #1 STOCK RESERVOIR CHOO CHOO STOCK RESERVOIR SANDY SWALE STOCK RESERVOIR LOCOMOTIVE STOCK RESERVOIR CHOO CHOO STOCK RESERVOIR CHOO CHOO STOCK RESERVOIR CHOO CHOO STOCK RESERVOIR SANDY SWALE STOCK RESERVOIR LOCOMOTIVE STOCK RESERVOIR LOCOMOTIVE STOCK RESERVOIR LOCOMOTIVE STOCK RESERVOIR PORCUPINE RESERVOIR PORCUPINE RESERVOIR PORCUPINE RESERVOIR PORCUPINE RESERVOIR DILTS #11 STOCK RESERVOIR DILTS #8 STOCK RESERVOIR DILTS #8 STOCK RESERVOIR TOM #1 STOCK RESERVOIR TOM #1 STOCK RESERVOIR THUNDER BASIN RESERVOIR NO. 45 THUNDER BASIN RESERVOIR NO. 45 THUNDER BASIN RESERVOIR NO. 45 MORTON #F .S. 9-231-9 STOCK RESERVOIR MORTON #F .S. 9-231-9 STOCK RESERVOIR THUNDER BASIN NO. 32 RESERVOIR THUNDER BASIN NO. 32 RESERVOIR MACKEY #9-223-4 STOCK RESERVOIR

Status
UNA UNA UNA UNA GST UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA UNA ADJ ADJ ADJ ADJ UNA UNA UNA PU PUO PU PU PUO PU PUO PU PUO GST

Uses
STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO

Source
MIKES DRAW MIKES DRAW MIKES DRAW ROGERS DRAW STEVE DRAW NATURAL DEPRESSION DRAW PORCUPINE CREEK DEPOT DRAW PORTER DRAW BIG BOY DRAW DEPOT DRAW DEPOT DRAW DEPOT DRAW PORTER DRAW BIG BOY DRAW BIG BOY DRAW BIG BOY DRAW PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK NO. 11 DRAW NO. 7 DRAW NO. 7 DRAW TOMS DRAW TOMS DRAW GIRARD DRAW GIRARD DRAW GIRARD DRAW FISHER DRAW FISHER DRAW GRAY CREEK GRAY CREEK PLAYA DRAW

Draft EIS, Wright Area Coal Lease Applications

S6-27

Supplementary Information on the Affected Environment Table S6-4. Surface Water Rights for the South Porcupine LBA Tract (Continued).
Permit
P9854S P9991S P9992S P4907R P4907R P4907R P4907R P4993R P4993R P6890S P6890S P5949S P5949S P5950S P5950S P4199S P4199S P6207S P6207S P5967S P5967S P5968S P5968S P6340S P6340S P5051S P5051S P3888S

Priority
1/14/1986 9/3/1986 9/3/1986 7/30/1938 7/30/1938 7/30/1938 7/30/1938 2/17/1939 2/17/1939 2/2/1971 2/2/1971 2/27/1967 2/27/1967 2/27/1967 2/27/1967 1/31/1964 1/31/1964 3/25/1968 3/25/1968 3/20/1967 3/20/1967 3/20/1967 3/20/1967 4/29/1969 4/29/1969 12/28/1964 12/28/1964 8/8/1962

T
42 42 42 42 42 42 42 42 42 41 41 41 41 41 41 41 41 41 41 42 42 42 42 42 42 42 42 42

R
70 71 71 70 70 70 70 70 70 70 70 70 70 70 70 71 71 71 71 70 70 70 70 70 70 70 70 71

S
21 27 34 29 29 29 29 34 34 7 7 9 9 20 20 13 13 14 14 20 20 21 21 31 31 34 34 22

QQ
SESE SWSE SWNW SWNE NESW NWSE NESW NWNW NWNW SWSW SWSW NESE NESE NENW NENW NENE NENE NESE NESE NESE NESE NENW NENW NWNE NWNE NENE NENE SWNW

Applicant
USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA FARM SECURITY ADMINISTRATION USDA FARM SECURITY ADMINISTRATION USDA FARM SECURITY ADMINISTRATION USDA FARM SECURITY ADMINISTRATION USDA FARM SECURITY ADMINISTRATION USDA FARM SECURITY ADMINISTRATION USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE

Facility Name
MACKEY #9-223-5 STOCK RESERVOIR WILKINSON #9-264-9 STOCK RESERVOIR WILKINSON #9-264-10 STOCK RESERVOIR THUNDER BASIN NO. 28 RESERVOIR THUNDER BASIN NO. 28 RESERVOIR THUNDER BASIN NO. 28 RESERVOIR THUNDER BASIN NO. 28 RESERVOIR THUNDER BASIN RESERVOIR NO. 29 THUNDER BASIN RESERVOIR NO. 29 WILKINSON #F.S. 9-264-8 STOCK RESERVOIR WILKINSON #F.S. 9-264-8 STOCK RESERVOIR DILTS #F.S.9-205-8 STOCK RESERVOIR DILTS #F.S.9-205-8 STOCK RESERVOIR DILTS #F.S.9-205-7 STOCK RESERVOIR DILTS #F.S.9-205-7 STOCK RESERVOIR WILKINSON # F. S. 9-264-5 STOCK RESERVOIR WILKINSON # F. S. 9-264-5 STOCK RESERVOIR MATHESON #F.S.9-228-10 STOCK RESERVOIR MATHESON #F.S.9-228-10 STOCK RESERVOIR MACKEY #F.S.9-223-2 STOCK RESERVOIR MACKEY #F.S.9-223-2 STOCK RESERVOIR MACKEY #F.S.9-223-3 STOCK RESERVOIR MACKEY #F.S.9-223-3 STOCK RESERVOIR WILKINSON #F.S.9-264-7 STOCK RESERVOIR WILKINSON #F.S.9-264-7 STOCK RESERVOIR TECKLA #F.S.9-298-2 STOCK RESERVOIR TECKLA #F.S.9-298-2 STOCK RESERVOIR MATHESON #228-2 STOCK RESERVOIR

Status
GST GST GST PU PU PU PUO PU PUO PU PUO PU PUO PU PUO PU PUO PU PUO PU PUO PU PUO PU PUO PU PUO PU

Uses
STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO

Source
PARAKEET DRAW PEARL DRAW SODERBERG DRAW CORDER CREEK CORDER CREEK CORDER CREEK CORDER CREEK PAYNE DRAW PAYNE DRAW ROGERS DRAW ROGERS DRAW RED DRAW RED DRAW GLASSER DRAW GLASSER DRAW SCOTT'S DRAW SCOTT'S DRAW DENNELL DRAW DENNELL DRAW DURBIN DRAW DURBIN DRAW TRUSSLER DRY LAKE BED. TRUSSLER DRY LAKE BED. CALLAN DRAW CALLAN DRAW SOUTH FORK PAYNE DRAW SOUTH FORK PAYNE DRAW PORCUPINE CREEK

Draft EIS, Wright Area Coal Lease Application

Supplementary Information on the Affected Environment Table S6-4. Surface Water Rights for the South Porcupine LBA Tract (Continued).
Permit
P3888S P3888S P7065S P7065S P3915S P3915S P11307R P11307R P11307R P11307R P17731S

Priority
8/8/1962 8/8/1962 9/20/1971 9/20/1971 8/8/1962 8/8/1962 1/14/2002 1/14/2002 1/14/2002 1/14/2002 10/1/2003

T
42 42 42 42 42 42 42 42 42 42 41

R
71 71 71 71 71 71 70 70 70 70 71

S
22 22 23 23 26 26 30 30 30 30 4

QQ
NWSW NWSW NESW NESW NENE NENE NESW SENW SWNW NWNW NWSW

Applicant
USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA FOREST SERVICE USDA, NATIONAL FOREST SERVICE** POWDER RIVER COAL COMPANY USDA, NATIONAL FOREST SERVICE** POWDER RIVER COAL COMPANY USDA, NATIONAL FOREST SERVICE** POWDER RIVER COAL COMPANY USDA, NATIONAL FOREST SERVICE** POWDER RIVER COAL COMPANY WILLIAMS PRODUCTION RMT CO.** WYO STATE OFFICE OF LANDS & INVESTMENTS WY STATE LANDS & INVESTMENTS** POWDER RIVER COAL CO. NORTH ANTELOPE/ROCHELLE COMPLEX WY STATE LANDS & INVESTMENTS** POWDER RIVER COAL CO. NORTH ANTELOPE/ROCHELLE COMPLEX WYO STATE OFFICE OF LANDS & INVESTMENTS**NORTH ANTELOPE ROCHELLE COMPLEX POWDER RIVER COAL CO. USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE

Facility Name
MATHESON #228-2 STOCK RESERVOIR MATHESON #228-2 STOCK RESERVOIR MATHESON #F.S. 9-228-12 STOCK RESERVOIR MATHESON #F.S. 9-228-12 STOCK RESERVOIR WILKINSON #264-2 STOCK RESERVOIR WILKINSON #264-2 STOCK RESERVOIR BOSS DRAW FLOOD CONTROL RESERVOIR BOSS DRAW FLOOD CONTROL RESERVOIR BOSS DRAW FLOOD CONTROL RESERVOIR BOSS DRAW FLOOD CONTROL RESERVOIR DILTS #12 STOCK RESERVOIR NARC SECTION 36 ALLUVIAL DEWATERING SUMPS K-T NARC SECTION 36 ALLUVIAL DEWATERING SUMPS A-J

Status
PU PUO PU PUO PU PUO UNA UNA UNA UNA UNA

Uses
STO STO STO STO STO STO IND,FLO IND,FLO IND,FLO IND,FLO STO

Source
PORCUPINE CREEK PORCUPINE CREEK STUART DRAW STUART DRAW WINDMILL DRAW WINDMILL DRAW BOSS DRAW BOSS DRAW BOSS DRAW BOSS DRAW NO. 12 DRAW LITTLE GROS VENTRE RIVER/ FLAT CREEK LITTLE GROS VENTRE RIVER/ FLAT CREEK

P32524D

7/17/2000

NWNE

UNA

IND,PCT

P32523D

7/17/2000

NWNE

UNA

IND,PCT

P10870R CR4/308A CR4/308A CR2/477A CR2/477A 27/3/128R CR6/368A CR6/368A CR3/304A CR4/301A CR4/301A 99/2/205D 99/1/205D CU16/351A CU16/351A CR4/300A

5/13/1999 1/31/1964 1/31/1964 1/30/1958 1/30/1958

41 40 40 40 40 41

70 71 71 71 71 70 70 70 70 70 70 70 70 70 70 70

6 1 1 3 3 5 7 7 8 9 9 9 9 16 16 20

SWNW SESE SESE NWNW NWNW SWSW SWSW SWSW NESW NESE NESE NENE NENE NESW NWSW NENW

SYDNEY NO.1 RESERVOIR MORTON #F .S. 9-231-9 STOCK RESERVOIR MORTON #F .S. 9-231-9 STOCK RESERVOIR TOM #1 STOCK RESERVOIR TOM #1 STOCK RESERVOIR WILKINSON #F.S. 9-264-8 STOCK RESERVOIR WILKINSON #F.S. 9-264-8 STOCK RESERVOIR WILKINSON # F. S. 9-264-4 STOCK RESERVOIR DILTS #F.S.9-205-8 STOCK RESERVOIR DILTS #F.S.9-205-8 STOCK RESERVOIR

UNA PU PUO PU PUO UNA

IND STO STO STO STO

SYDNEY DRAW FISHER DRAW FISHER DRAW TOMS DRAW TOMS DRAW

2/2/1971 2/2/1971 1/31/1964 2/27/1967 2/27/1967

41 41 41 41 41 41 41 41 41

USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE

PU PUO ADJ PU PUO UNA UNA ADJ ADJ

STO STO STO STO STO

ROGERS DRAW ROGERS DRAW NANCY DRAW RED DRAW RED DRAW

2/27/1967

USDA, FOREST SERVICE

DILTS #F.S.9-205-7 STOCK RESERVOIR

STO

GLASSER DRAW

Draft EIS, Wright Area Coal Lease Applications

S6-29

Supplementary Information on the Affected Environment Table S6-4. Surface Water Rights for the South Porcupine LBA Tract (Continued).
Permit
CR4/300A C72/193A C72/193A C72/193A C72/193A C60/057A C60/057A CR1/297A CR1/297A CR1/297A CR1/297A CR1/297A CR1/297A CR5/136A CR5/136A CR5/136A CR5/136A CR5/136A CR5/136A CR8/549A CR8/549A CR8/549A CR8/549A CR8/549A CR8/549A C72/193A C72/193A C60/057A CR1/297A CR5/136A CR8/549A CR3/126A CR3/126A CR2/476A CR2/476A CR2/476A CR3/305A CR3/305A CR6/372A

Priority
2/27/1967 6/11/1951 6/11/1951 6/11/1951 6/11/1951 5/8/1940 5/8/1940 5/8/1940 5/8/1940 5/8/1940 5/8/1940 5/8/1940 5/8/1940 6/11/1951 6/11/1951 6/11/1951 6/11/1951 6/11/1951 6/11/1951 9/8/1952 9/8/1952 9/8/1952 9/8/1952 9/8/1952 9/8/1952 6/11/1951 6/11/1951 5/8/1940 5/8/1940 6/11/1951 9/8/1952 1/30/1958 1/30/1958 2/17/1939 2/17/1939 2/17/1939 1/31/1964 1/31/1964 3/25/1968

T
41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41

R
70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 71 71 71 71 71 71 71 71

S
20 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27 6 6 8 8 8 13 13 14

QQ
NENW SESE SESE SWSE SWSE SWSE SESE NWSE SENW SESW NESW SWNE SWSE SWNE SENW NESW SESW NWSE SWSE SWSE SWNE SESW NESW NWSE SENW SWSE SWSE SWSE SWSE SWSE SWSE NESE NESE NESW NWSW NESW NENE NENE NESE

Applicant
USDA, FOREST SERVICE USDA, FOREST SERVICE/JOHN C. DILTS USDA, FOREST SERVICE/JOHN C. DILTS USDA, FOREST SERVICE/JOHN C. DILTS USDA, FOREST SERVICE/JOHN C. DILTS FRED DILTS ESTATE FRED DILTS ESTATE FRED DILTS ESTATE FRED DILTS ESTATE FRED DILTS ESTATE FRED DILTS ESTATE FRED DILTS ESTATE FRED DILTS ESTATE JOHN C. DILTS JOHN C. DILTS JOHN C. DILTS JOHN C. DILTS JOHN C. DILTS JOHN C. DILTS JOHN C. DILTS JOHN C. DILTS JOHN C. DILTS JOHN C. DILTS JOHN C. DILTS JOHN C. DILTS USDA, FOREST SERVICE/JOHN C. DILTS USDA, FOREST SERVICE/JOHN C. DILTS FRED DILTS ESTATE FRED DILTS ESTATE JOHN C. DILTS JOHN C. DILTS KANE'S RANCH, INCORPORATED KANE'S RANCH, INCORPORATED USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE

Facility Name
DILTS #F.S.9-205-7 STOCK RESERVOIR WATER-SPREADING DITCH WATER-SPREADING DITCH WATER-SPREADING DITCH WATER-SPREADING DITCH WATER SPREADING DITCH WATER SPREADING DITCH PORCUPINE RESERVOIR PORCUPINE RESERVOIR PORCUPINE RESERVOIR PORCUPINE RESERVOIR PORCUPINE RESERVOIR PORCUPINE RESERVOIR PORCUPINE RESERVOIR,, ENL. PORCUPINE RESERVOIR,, ENL. PORCUPINE RESERVOIR,, ENL. PORCUPINE RESERVOIR,, ENL. PORCUPINE RESERVOIR,, ENL. PORCUPINE RESERVOIR,, ENL. PORCUPINE RESERVOIR,, ENL. PORCUPINE RESERVOIR,, ENL. PORCUPINE RESERVOIR,, ENL. PORCUPINE RESERVOIR,, ENL. PORCUPINE RESERVOIR,, ENL. PORCUPINE RESERVOIR,, ENL. WATER-SPREADING DITCH WATER-SPREADING DITCH WATER SPREADING DITCH PORCUPINE RESERVOIR PORCUPINE RESERVOIR,, ENL. PORCUPINE RESERVOIR,, ENL. MIKE #1 STOCK RESERVOIR MIKE #1 STOCK RESERVOIR THUNDER BASIN RESERVOIR NO. 45 THUNDER BASIN RESERVOIR NO. 45 THUNDER BASIN RESERVOIR NO. 45 WILKINSON # F. S. 9-264-5 STOCK RESERVOIR WILKINSON # F. S. 9-264-5 STOCK RESERVOIR MATHESON #F.S.9-228-10 STOCK RESERVOIR

Status
PUO ADJ ADJ ADJ ADJ ADJ ADJ PU PU PU PU PU PU PU PU PU PU PU PU PU PU PU PU PU PU PUD PUD PUD PUO PUO PUO PU PUO PU PU PUO PU PUO PU

Uses
STO IRR IRR IRR IRR IRR,STO IRR,STO STO STO STO STO STO STO IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR IRR,STO STO IRR IRR STO STO STO STO STO STO STO STO

Source
GLASSER DRAW PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK PORCUPINE CREEK MIKES DRAW MIKES DRAW GIRARD DRAW GIRARD DRAW GIRARD DRAW SCOTT'S DRAW SCOTT'S DRAW DENNELL DRAW

Draft EIS, Wright Area Coal Lease Application

Supplementary Information on the Affected Environment Table S6-4. Surface Water Rights for the South Porcupine LBA Tract (Continued).
Permit
CR6/372A CR4/302A CR4/302A CR4/252A CR4/252A 31/5/228R 27/2/199R CR2/472A CR2/472A CR2/472A CR2/472A CR6/370A CR6/370A CR2/471A CR3/307A CR2/471A CR3/307A CR3/302A CR3/302A CR2/473A CR3/302A CR2/473A CR9/373A CR9/373A CR3/308A CR3/308A 7/30/1938 7/30/1938 7/30/1938 7/30/1938 4/29/1969 4/29/1969 2/17/1939 12/28/1964 2/17/1939 12/28/1964 8/8/1962 8/8/1962 7/30/1938 8/8/1962 7/30/1938 9/20/1971 9/20/1971 8/8/1962 8/8/1962

Priority
3/25/1968 3/20/1967 3/20/1967 3/20/1967 3/20/1967

T
41 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42

R
71 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 71 71 71 71 71 71 71 71 71

S
14 20 20 21 21 28 28 29 29 29 29 31 31 34 34 34 34 22 22 22 22 22 23 23 26 26

QQ
NESE NESE NESE NENW NENW SWSE NWSE NWSE SWNE NESW NESW NWNE NWNE NWNW NENE NWNW NENE SWNW NWSW NENE NWSW NENE NESW NESW NENE NENE

Applicant
USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE

Facility Name
MATHESON #F.S.9-228-10 STOCK RESERVOIR MACKEY #F.S.9-223-2 STOCK RESERVOIR MACKEY #F.S.9-223-2 STOCK RESERVOIR MACKEY #F.S.9-223-3 STOCK RESERVOIR MACKEY #F.S.9-223-3 STOCK RESERVOIR

Status
PUO PU PUO PU PUO UNA UNA

Uses
STO STO STO STO STO

Source
DENNELL DRAW DURBIN DRAW DURBIN DRAW

USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE USDA, FOREST SERVICE

THUNDER BASIN NO. 28 RESERVOIR THUNDER BASIN NO. 28 RESERVOIR THUNDER BASIN NO. 28 RESERVOIR THUNDER BASIN NO. 28 RESERVOIR WILKINSON #F.S.9-264-7 STOCK RESERVOIR WILKINSON #F.S.9-264-7 STOCK RESERVOIR THUNDER BASIN RESERVOIR NO. 29 TECKLA #F.S.9-298-2 STOCK RESERVOIR THUNDER BASIN RESERVOIR NO. 29 TECKLA #F.S.9-298-2 STOCK RESERVOIR MATHESON #228-2 STOCK RESERVOIR MATHESON #228-2 STOCK RESERVOIR THUNDER BASIN NO. 32 RESERVOIR MATHESON #228-2 STOCK RESERVOIR THUNDER BASIN NO. 32 RESERVOIR MATHESON #F.S. 9-228-12 STOCK RESERVOIR MATHESON #F.S. 9-228-12 STOCK RESERVOIR WILKINSON #264-2 STOCK RESERVOIR WILKINSON #264-2 STOCK RESERVOIR

PU PU PU PUO PU PUO PU PU PUO PUO PU PU PU PUO PUO PU PUO PU PUO

STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO STO

CORDER CREEK CORDER CREEK CORDER CREEK CORDER CREEK CALLAN DRAW CALLAN DRAW PAYNE DRAW SOUTH FORK PAYNE DRAW PAYNE DRAW SOUTH FORK PAYNE DRAW PORCUPINE CREEK PORCUPINE CREEK GRAY CREEK PORCUPINE CREEK GRAY CREEK STUART DRAW STUART DRAW WINDMILL DRAW WINDMILL DRAW

Draft EIS, Wright Area Coal Lease Applications

S6-31

Supplementary Information on the Affected Environment
Notes for Non Mining-related Surface Water Rights within 3 Miles of the South Porcupine LBA Tract Search Conducted August 2, 2008 Surface Water Right Township 40N 40N 41N 41N 42N 42N Search Area: Range Sections 70W 5-6
71W 1-3
70W 3-10, 15-22, 27-33
71W 1-18, 20-29, 33-36
70W 19-21, 28-34
71W 22-28, 32-36

Water rights were searched to the nearest quarter-quarter of each section listed above. Any part of a quarter-quarter that lies within three miles of the LBA tract is included. Record suffixes are denoted as follows: "A" Adjudicated (finalized) rights; unless the right is a territorial appropriation, there will be a match in the reference column from one of the following permit types for the unadjudicated portion "D" Ditch or pipeline permit "E" Enlargement of a ditch or pipeline permit "R" Reservoir permit "S" Stock reservoir permit Status Codes
ABA AME CAN ELI GST PU PUD PUO UNA Abandoned Amended (moved) Cancelled Eliminated Good standing Point of use non irrigation (not actual status) Point of diversion (not actual status) Point of reservoir outlet (not actual status) Unadjudicated A&C Abandoned and Cancelled ADJ Adjudicated DSC Description EXP Expired REJ Rejected TRA Transferred IRR Irrigation STO Stock TEM Temporary

Use Codes
DOM RES Domestic Reservoir supply

Approximately 24 separate water rights with a status code of ABA, A&C, AME, CAN, ELI, EXP, REJ, or TRA have been eliminated from the search area listing provided above (including those belonging to the mining companies), as none of these use codes represent a valid current right. The following quarter-quarters are designated by the “QQ” field: 1 NE¼NE¼ 9 NE¼SW¼ 2 NW¼NE¼ 10 NW¼ SW¼ 3 SW¼NE¼ 11 SW¼ SW¼ 4 SE¼NE¼ 12 SE¼ SW¼ 5 NE¼NW¼ 13 NE¼SE¼ 6 NW¼NW¼ 14 NW¼SE¼ 7 SW¼NW¼ 15 SW¼SE¼ 8 SE¼NW¼ 16 SE¼SE¼

S6-32

Draft EIS, Wright Area Coal Lease Application

Supplementary Information on the Affected Environment S6-6 ALLUVIAL VALLEY FLOORS Under the Surface Mining Control and Reclamation Act of 1977 (SMCRA), surface coal mining operations that would interrupt, discontinue, or preclude farming on alluvial valley floors (AVFs) is prohibited unless the affected AVF is undeveloped rangeland that is not significant to farming or if the affected AVF is of such small acreage that it would have a negligible impact on a farm’s agricultural production. These restrictions also apply if AVFs that are downstream of the area proposed for mining would be affected by disruptions in streamflow. Provided Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD) determines that an AVF is not significant to agriculture, it can be disturbed by mining but must be restored as part of the reclamation process. For any designated AVF, regardless of its significance to agriculture, it must be demonstrated that the essential hydrologic functions of the AVF, both within and outside the mine area, will be protected. WDEQ regulations define AVFs as unconsolidated stream laid deposits where water availability is sufficient for subirrigation or flood irrigation agricultural activities. Guidelines established by the Office of Surface Mining Reclamation and Enforcement (OSM) and WDEQ/LQD for the identification of AVFs require detailed studies of geomorphology, soils, hydrology, vegetation, and land use. These studies are used to identify: 1) the presence of unconsolidated streamlaid deposits, 2) the possibility for artificial flood irrigation, 3) past and/or present flood irrigation, and 4) apparent subirrigated areas and the possibility for natural flood irrigation. Areas that are identified as AVFs following these studies are evaluated for their significance to farming by WDEQ/LQD. In a decision by the U.S. District Court for the District of Columbia, Civil Action Number 69-1144 (1980) (known as the Flannery Decision), the court noted that an AVF must satisfy both geologic criteria (unconsolidated stream laid deposits) and hydrologic criteria (water sufficient to sustain agriculture). Therefore, the court emphasized that the key to the existence of an AVF is the presence of both geologic and water availability characteristics, which together sustain agricultural activities. The South Porcupine LBA Tract is situated at the drainage divides separating Porcupine Creek and Horse Creek watersheds. The northern and eastern portions of the tract drain north and east into Porcupine Creek via Mike’s Draw and Roger’s Draw, respectively. The southern portion of the tract drains south directly into Antelope Creek via Chyr Draw, and the western portion of the tract drains west into Horse Creek via Eagle Draw, ED-1 Draw, and Redtail Draw. All of these minor streams and draws within and adjacent to the LBA tract are typical for the region, in that flow events are ephemeral. Stream runoff is typically of short duration and exhibits temporal patterns similar to precipitation events. All ephemeral streams in the region show the characteristic extreme low-flow period from October through January. Flow events frequently result from snowmelt during the late winter and early spring. Although peak discharges from such events are generally small, the duration Draft EIS, Wright Area Coal Lease Applications S6-33

Supplementary Information on the Affected Environment and therefore the percentage of annual runoff volume can be considerable. During the spring, general storms (both rain and snow) are more frequent; hence increasing soil moisture and decreasing infiltration capacity, and subsequent rainstorms can result in higher runoff volumes and peak discharges. Investigations have been conducted by PRC to determine the presence of AVFs within and immediately adjacent to the North Antelope Rochelle Mine permit area. The identification of AVFs was extended to areas adjacent to the current permit area, extending from ½ mile upstream of the current permit boundary on Porcupine Creek downstream on Porcupine Creek to its confluence with Antelope Creek, and along 4 miles of Antelope Creek adjacent to the railroad spur (PRC 2004). All but about 140 acres of the general analysis area for the South Porcupine LBA Tract lies within North Antelope Rochelle Mine’s current permit area. The drainages within the South Porcupine LBA Tract were not fully investigated for the presence of an AVF because few or no stream laid deposits were found to be present along those drainages. Alluvial deposits have been mapped within Mike’s Draw, but because the thickness and areal extent of these materials are very limited, they do not yield groundwater that can be put to beneficial use. No declared AVFs occur within the South Porcupine LBA Tract. The results of PRC’s AVF studies are contained in North Antelope Rochelle Mine’s WDEQ/LQD mine permit (PRC 2004). Figure S6-2 depicts the approximate extent of stream laid deposits and declared AVFs along Porcupine and Antelope creeks within and adjacent to the mine’s permit area. Refer to the discussion on the results of PRC’s AVF investigations within Section S5-6. S6-7 WETLANDS The federal and state regulatory programs, which are administered by the U.S. Army Corps of Engineers (COE) and Wyoming Department of Environmental Quality/Land Quality Division (WDEQ/LQD), respectively, that require special permitting procedures to assure that after mining there are no net loss of wetlands are described in Section S1-7. A description of wetland types and Other Waters of the United States (OWUS) from a permitting perspective is also given in Section S1-7. As described in Section S6-5.2, the South Porcupine LBA Tract is situated at the drainage divides separating the Porcupine Creek and Horse Creek watersheds. Figure 3-31 in the WAC DEIS depicts the surface water features within and adjacent to the South Porcupine LBA Tract. The northern and eastern portions of the tract drain north and east into Porcupine Creek via Mike’s Draw and Roger’s Draw, respectively. The southern portion of the tract drains south directly into Antelope Creek via Chyr Draw, and the western portion of the tract drains west into Horse Creek via Eagle Draw, ED-1 Draw, and Redtail Draw. S6-34 Draft EIS, Wright Area Coal Lease Application

Supplementary Information on the Affected Environment Formal jurisdictional wetland delineation surveys covering North Antelope Rochelle Mine’s current permit area and some additional adjacent lands were completed by PRC and submitted to the COE for verification in 1996, 1997, 2000 and 2004. These wetland delineations and the COE’s respective letters of verification summarizing the acreage figures of approved jurisdictional determinations are included in Appendix D-10 of the mine’s permit (PRC 2004). According to the COE’s latest (October 12, 2004) jurisdictional determination, there is a total of 219.71 acres of jurisdictional wetlands and OWUS within the mine’s current permit area. Of those 219.71 acres, there are 77.84 acres of riverine wetlands, 26.99 acres of stockpond wetlands, 11.42 acres of riverine open water OWUS, 44.62 acres of stockpond open water OWUS, and 58.84 acres of ephemeral stream channel OWUS. There are also 20.92 wetland acres and 1.33 open water acres of non-jurisdictional playa/depressional features. All but about 140 acres of the general analysis area for the South Porcupine LBA Tract lies within North Antelope Rochelle Mine’s current mine permit area. Therefore, these previous wetland delineation surveys provide an estimate of the acreages of wetlands and OWUS that exist within the LBA tract’s general analysis area, with the caveat that some wetland areas previously mapped may have been altered by coal bed natural gas (CBNG)-related water production within and upstream of the general analysis area. In addition to the effects from CBNG-related water discharges, the PRB has experienced a moderate to severe drought cycle that has persisted since 2000, which may have also altered previously-mapped wetland and OWUS areas. The boundaries of some wetlands and OWUS could, therefore, vary to a greater or lesser extent from the boundaries that existed at the time that the formal wetland delineation surveys were conducted. Within the general analysis area for the South Porcupine LBA Tract (4,020.5 acres), there are an estimated 12.3 acres of jurisdictional wetlands and OWUS, which are primarily associated with Mike’s Draw and the Horse Creek tributaries. Of those 12.3 acres, there are approximately 6.8 acres of riverine wetlands, approximately 0.4 acres of stockpond wetlands, approximately 0.2 acres of stockpond open water OWUS, and approximately 4.9 acres of ephemeral stream channel OWUS. There are also approximately 0.2 wetland acres of non-jurisdictional playa/depressional features. The vegetated wetland areas consist primarily of palustrine emergent herbaceous wet meadow or marsh along ephemeral stream channels and around ponds, playas and depressions, whereas the OWUS consist of dry ephemeral drainages and open water. Figure S6-3 depicts the wetlands mapping within the LBA tract’s general analysis area taken from Appendix D-10 in North Antelope Rochelle Mine’s permit (PRC 2004). S6-8 SOILS The South Porcupine tract lies within North Antelope Rochelle Mine’s current mine permit area. Therefore, the entire general analysis area for the tract (4,020.5 total acres) has been covered by baseline soil surveys completed to an Draft EIS, Wright Area Coal Lease Applications S6-35

Supplementary Information on the Affected Environment
21 22 23

R. 71 W. R. 70 W.
19

T. 42 N. T. 41 N.

Campbell County
28

Converse County

R. 71 W. R. 70 W.

LEGEND
North Antelope Rochelle Mine Permit Boundary Existing North Antelope Rochelle Mine Federal Coal Leases South Porcupine LBA Tract Wetlands Analysis Area Boundary Ephemeral Stream Channel "Other Waters of U.S." Continuous/Nearly Continuous Ephemeral Stream Wetland Wetland or "Other Waters of U.S." at Stockpond or Reservoir

3000

6000

12000

Wetland Mapping from North Antelope Rochelle Mine Permit, Appendix D-10, Exhibit 1 (PRC 2004)

GRAPHIC SCALE (FEET)

Figure S6-3. Wetlands Within the General Analysis Area for the South Porcupine LBA Tract.

S6-36

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Order 1-2 resolution in accordance with WDEQ/LQD Guideline No.1, which outlines required soils information necessary for a coal mining operation. Three soil surveys, which were completed in 1991, 1996 and 2001, cover most of the tract’s general analysis area and are included in the mine’s approved WDEQ/LQD mine permit. Only a small portion (approximately 60 acres) of the tract’s general analysis area was not covered by these Order 1-2 soil surveys, although those acres are within the Burlington Northern Santa Fe & Union Pacific Railroad right-of-way and associated no-disturbance buffer zone and therefore would not be disturbed by future mining operations. In addition, the entire general analysis area for the South Porcupine tract has been covered by the Natural Resource Conservation Service (NRCS) Order 3 survey of southern Campbell County (Prink et al. 2004). Soils vary depending upon where and how they were formed. Major factors involved in the formation of soils include whether or not the material was transported and how the material was weathered during transportation. Four primary soil formation processes causing different soil types were noted in this area: 1) those soils developing predominantly in thin residuum from sandstone or shale on upland ridges, 2) those soils developing predominantly in slopewash, colluvium, or alluvial fan deposits from mixed sources on gently sloping uplands, 3) those soils developing predominantly in coarse-textured alluvium or sandy eolian deposits on rolling uplands, and 4) soils developing in mixed stream laid alluvium on terraces and channels, and in fine-textured playa deposits in depressions and closed basins. Soils within the general analysis area were identified by series, which consist of soils that have similar horizons in their profile. Horizons are soil layers having similar color, texture, structure, reaction, consistency, mineral and chemical composition, and arrangement in the profile. These inventories included field sampling and observations at the requisite number of individual sites, and laboratory analysis of representative collected samples. The soil depths and types in the general analysis area for the South Porcupine tract are similar to soils currently being salvaged and utilized for reclamation at the North Antelope Rochelle Mine and other mines in the eastern PRB. The following is a list of the soil types delineated in the tract’s general analysis area. The major soils series encountered within the soil survey areas were grouped according to the primary soil formation processes and are listed as follows: Soils developing predominantly in thin residuum from sandstone or shale on upland ridges and hills
    

Shingle-Rock Outcrop Complex 10-60 percent slopes Shingle-Samday-Rock Outcrop, 10-30 percent slopes Shingle clay loam,10-30 percent slopes Taluce sandy loam, 10-30 percent slopes Taluce-Rock Outcrop, 10-60 percent slopes S6-37

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment


Ustic Torrifluvents-Lithic percent slopes

Ustic

Torrifluvents-Rock

Outcrop,

10-80

Soils developing predominantly in slopewash, colluvium, or alluvial fan deposits from mixed sources on gently sloping uplands
                            

Soils developing predominantly in coarse-textured alluvium and sandy eolian deposits on rolling uplands
        

S6-38

Supplementary Information on the Affected Environment
         

Maysdorf fine sandy loam, 0-6 percent slopes Maysdorf sandy loam, 1-8 percent slopes Pugsley fine sandy loam, 6-15 percent slopes Rauzi sandy loam, 0-6 percent slopes Terro fine sandy loam, 4-10 percent slopes Terro-Taluce sandy loam, 6-30 percent slopes Tullock loamy sands, 6-30 percent slopes Turnercrest sandy loam variant, 6-20 percent slopes Vona very fine sandy loam, 6-15 percent slopes Vonalee sandy loam, 0-10 percent slopes

Drainage soils developing in mixed stream laid alluvium on terraces and channels and in fine-textured playa deposits in depressions and closed basins


Aeric Haplaquipts, 6 percent slopes

Table S6-5 provides the extent of five depth classes of suitable topsoil within the soils analysis area. Table S6-5. Acres of Topsoil Available for Reclamation Within the General Analysis Area for the South Porcupine LBA Tract. Thickness of Suitable Topsoil (inches) 0 0 – 12 12 – 30 30 – 48 48 – 60 > 60 Total Acres 22.61 731.37 976.39 1,311.89 955.29 0.00 3,997.55 Percent 0.57 18.30 24.42 32.82 23.89 0.00 100.00

Preliminary estimates indicate the average redistributed soil thickness would be about 24 inches (2.0 feet) across the entire reclaimed surface; however, soil redistribution depths would vary to mimic the premine conditions. This conservatively assumes that all acres within the analysis area would be disturbed. Areas of unsuitable soils include sites with high alkalinity, salinity, clay content, coarse fragments, and lands previously disturbed by other activities. The tract is expected to have adequate quantity and quality of soil for reclamation. S6-9 VEGETATION The South Porcupine LBA Tract lies within North Antelope Rochelle Mine’s current mine permit area. Portions of the tract’s general analysis area (4,020.5 total acres) were previously mapped and sampled in accordance with the current Wyoming Department of Environmental Quality/Land Quality Division Draft EIS, Wright Area Coal Lease Applications S6-39

Supplementary Information on the Affected Environment (WDEQ/LQD) mine permitting requirements. The balance of the vegetation communities in this area were appraised and mapped in 2008 by BKS Environmental Associates, Inc. of Gillette, Wyoming. Only a small portion (approximately 23 acres) of the tract’s general analysis area was not covered by these efforts, although those acres are within the Burlington Northern Santa Fe & Union Pacific Railroad right-of-way and associated no-disturbance buffer zone and therefore would not be disturbed by future mining operations. Vegetation within the LBA tract’s general analysis area consists of species common to eastern Wyoming. A total of seven native vegetation types have been identified and mapped within the LBA tract’s general analysis area. Table S6-6 presents the acreage and percent of the general analysis area encompassed by each vegetation type. The vegetation types (and land use) include Upland Grassland, Breaks Grassland, Big Sagebrush Grassland, Meadow Grassland, Undeveloped Pastureland, Salt Grassland, and Playa Grassland. Disturbed and Water areas were also mapped. Table S6-6. Vegetation Types Identified and Mapped Within the South Porcupine LBA Tract. Vegetation Type Upland Grassland Breaks Grassland Big Sagebrush Grassland Meadow Grassland Disturbed Undeveloped Pastureland Salt Grassland Playa Grassland Water Total Acres 2,226.11 940.81 658.28 108.07 22.57 19.01 13.42 7.45 1.84 3,997.55 Percent of Area 55.69 23.53 16.47 2.70 0.56 0.48 0.34 0.19 0.05 100.00

In terms of total acres of occurrence in the general analysis area, the predominant vegetation types are Upland Grassland (roughly 56 percent) and Breaks Grassland (roughly 24 percent), which occur primarily on the rolling upland terrain. Due to heavy rain in the spring and early summer 2007, there was an abundance of vegetation in the North Antelope Rochelle Mine area and the South Porcupine LBA Tract than has not been observed in recent years. These types are described as follows: The Upland Grassland vegetation type is characterized by the strong dominance of needleandthread (Hesperostipa comata) and upland sedges, especially threadleaf sedge (Carex filifolia) and needleleaf sedge (Carex stenophylla). Minor species of grass include blue grama (Bouteloua gracilis), western wheatgrass (Elymus smithii), prairie junegrass (Koeleria macrantha), S6-40 Draft EIS, Wright Area Coal Lease Application

Supplementary Information on the Affected Environment purple threeawn (Aristida purpurea), and Sandberg bluegrass (Poa secunda). Domesticated species such as crested wheatgrass (Agropyron cristatum) and smooth brome (Bromus inermis) are also present. Introduced annual grasses, Japanese brome (Bromus japonicus) and cheatgrass (Bromus tectorum), are also present. As in the Big Sagebrush vegetation type, forbs do not contribute a major portion of the ground cover. Besides scarlet globemallow (Sphaeralcea coccinea), which is also frequent in Big Sagebrush, more commonly encountered perennial forbs include hairy goldenaster (Heterotheca villosa), American vetch (Vica americana), rush skeleton weed (Lygodesmia juncea), scarlet gaura (Gaura coccinea) and field chickweed (Cerastium arvense). Plains prickly pear cactus (Opuntia polyacantha) is frequently present; however, it is less abundant than in the Big Sagebrush vegetation type. The native subshrub fringed sagewort (Artemisia frigida) is commonly present. Scattered individuals of Wyoming big sagebrush (Artemisia tridentata ssp. wyomingensis) may be present on some sites. Environments in which this vegetation type occurs are upland, mostly convex sites that are relatively wind-exposed and are more often snow free. Soils are usually coarser in texture than in the Big Sagebrush type. In the Breaks Grassland vegetation mapping units, erosional loss of soil exceeds its formation rate and the result is a "badlands" surface in which plant cover is sparser than in the Upland Grassland and Big Sagebrush Grassland vegetation types. Although the total vegetation cover on these sites is lower, the diversity of vascular plant species is greater. Grasses present may include most of those found in the more extensive upland types described in the Upland Grassland and Big Sagebrush Grassland. In addition, such species as bluebunch wheatgrass (Elymus spicatus) and Indian ricegrass (Achnatherum hymenoides) are present. Forbs comprise slightly greater cover than elsewhere, and they are much more conspicuous. They may include species such as Louisiana sagewort (Artemisia ludoviciana), scarlet gaura, Hooker sandwort (Eremogone hookeri), scarlet globemallow, Hoods phlox (Phlox hoodii), hairy goldenaster, and slimflower scurfpea (Psoralidium tenuifolium). Sub-shrubs are diverse also and often include birdsfoot sagewort (Artemisia pedatifida), winterfat (Krascheninnikovia lanata), and broom snakeweed (Gutierrezia sarothrae) along with the widespread fringed sagewort. Shrubs include Wyoming big sagebrush, four-wing saltbush (Atriplex canescens), and rubber rabbitbrush (Ericameria nauseosus). The Big Sagebrush Grassland vegetation type is characterized by moderate to heavy presence of Wyoming big sagebrush in addition to the upland grasses of the region such as needleandthread, blue grama, and prairie junegrass. The introduced forage plant crested wheatgrass is frequently present as a minor grass, having been interseeded in some locations and having spread in other areas. Introduced winter annual grasses, Japanese brome and cheatgrass may be variably abundant depending on the late season moisture of the previous Draft EIS, Wright Area Coal Lease Applications S6-41

Supplementary Information on the Affected Environment year or early in the current year. Plains prickly pear cactus is frequently a large component of this vegetation cover, particularly in dry years. Although forbs are a minor component, the most consistent species present are scarlet globemallow, American vetch, Hoods phlox, and slimflower scurfpea. The native sub-shrub fringed sagewort is usually present in small amounts. Narrow, relatively moist environments associated with shallow depressions and swales that hold runoff water from uplands are included in the Big Sagebrush vegetation type. Such areas not only have supplemental water but also receive soil transported from the nearby convex sites and thereby often possess greater topsoil depths. The result is higher productivity of grasses such as western wheatgrass and needleandthread. The presence of sagebrush is often related to several topographic and environmental factors. Sagebrush areas are generally concave surface topography or leeward sides of hills and contain generally finer-textured soils. Sagebrush often enhances the accumulation of snow in winter, allows greater effective soil moisture that allows deeper soil development. The Meadow Grassland vegetation type is confined to ephemeral drainage bottoms and terraces. The vegetation in this type is very similar to the Upland Grassland. This vegetation type is characterized by a strong dominance of western wheatgrass. Other species that may occur include crested wheatgrass, bluebunch wheatgrass, common spikerush (Eleocharis acicularis), foxtail barley (Hordeum jubatum), blue grama, purple threeawn, needleandthread, prairie chordgrass (Spartina pectinata), scarlet gaura, dandelion (Taraxacum officinale), prairie coneflower (Ratibida columnifera), Louisiana sagewort, and American vetch. Shrubs include Wyoming big sagebrush, four-wing saltbush and silver sagebrush (Artemisia cana). With the abundance of both CBNG development and traditional oil and gas extraction in the area, networks of Disturbed Area are present that overlay much of the Big Sagebrush and Upland Grassland vegetation types. Disturbance consists primarily of major roads and well pads that are stabilized with gravel or reclaimed. There are also small tank batteries and numerous miles of pipeline disturbance that, to varying degrees, are recovering vegetation cover. The Undeveloped Pastureland vegetation type is located in the western portions of the South Porcupine tract. This vegetation type is described as previously developed land that was used for livestock grazing. This type has not been maintained and has been allowed to return to its naturally undeveloped state. Crested wheatgrass is the dominant plant species in this vegetation type. These areas probably were originally part of the Big Sagebrush vegetation type. The purpose of the conversion in general has been to elicit greater livestock forage production capability and eliminate non-palatable species such as sagebrush and cactus. With the passage of time, native plants S6-42 Draft EIS, Wright Area Coal Lease Application

Supplementary Information on the Affected Environment including sagebrush and cactus as well as most of the native grasses return slowly and the area begins to resemble the Big Sagebrush Grassland vegetation type again. The areas included in this mapping unit within this resource report area are dominated by crested wheatgrass. The Salt Grassland vegetation type is confined to locations where the soil parent materials is apparently derived from a stratum with higher inherent salt content and is located near minor drainages or areas with a seasonally high water table. As a consequence, the Salt Grassland vegetation type resembles Big Sagebrush Grassland with less shrub cover and is instead co-dominated by inland saltgrass, western wheatgrass and blue grama. In some slightly concave sites, the inland saltgrass (Distichlis stricta) cover is dense and may be accompanied by substantial amounts of alkali sacaton (Sporobolus airiodes). Salt efflorescence is present on the soil surface in occasional portions of this type. The term Playa Grassland is applied, as is the custom in the Northern Great Plains, to relatively small interior draining sites in which runoff from adjacent gentle slopes accumulates along with transported clay-size soil particles. Over time, the build-up of fines in the bottoms of these depressions produces a very heavy soil that supports nearly pure stands of western wheatgrass, a grass particularly well-adapted to heavy clay soil. Other species that may occur in minor amounts include Sandberg bluegrass, foxtail barley, common spikerush (Eleocharis palustris), slender spikerush, scarlet globemallow, American vetch, and dandelion. Open Water is, to a large degree, a recent development related to the onset of CBNG development in the area. Extracted groundwater from coal seams has largely been liberated on the surface within ephemeral drainages and/or dams. S6-10 WILDLIFE S6-10.1 Wildlife Resources Background information on wildlife in the vicinity of the general analysis area for the South Porcupine LBA Tract was obtained from several sources, including the South Powder River Basin Coal FEIS (BLM 2003), the original baseline inventories for the North Antelope and Rochelle mines prior to their merger, annual wildlife monitoring and periodic wildlife baseline reports submitted by the mine to the WDEQ/LQD from 1984 through 2007, the West Antelope II Coal Lease Application FEIS (BLM 2008), records from the WGFD, BLM, USFWS and USFS, and personal contact with biologists from those four agencies. The South Porcupine LBA Tract wildlife study area has been included in annual wildlife monitoring efforts for the nearby North Antelope Rochelle Mine, Antelope Mine, and/or Black Thunder Mine for many years. Consequently, site-specific data for the South Porcupine tract were available from several sources, including previous WDEQ/LQD mine permit applications and long-term annual wildlife monitoring reports for the applicant mine and Draft EIS, Wright Area Coal Lease Applications S6-43

Supplementary Information on the Affected Environment adjacent properties. Powder River Coal, LLC (PRC) commissioned Thunderbird, Jones & Stokes (J&S) to conduct baseline wildlife surveys from 2006 through early 2008 expressly for the South Porcupine LBA Tract. These surveys covered the tract’s general analysis area, and surveys for selected wildlife information such as raptor nests, sage-grouse leks, and prairie dog colonies included in a 2-mile perimeter surrounding the general analysis area. The LBA tract and adjacent areas consist primarily of uplands. The topography of the general analysis area, like the areas within the adjacent mines’ existing permit areas, is relatively subdued. The landscape consists primarily of gently rolling terrain broken by minor drainages and internallydrained playa areas. Drainage densities are quite low, and the playas are common topographic and hydrologic features. Much of the land surface does not contribute runoff to any stream, and playas have formed in the lowest portion of these non-contributing drainage areas. Of the six LBA tracts included in this analysis, the topography of the South Porcupine tract is somewhat unique due to the presence of more pronounced gullies and deeper tributary draws that are formed by the headwaters of Antelope, Horse, and Porcupine creeks. Land surface elevations in the tract’s general analysis area range from 4,675 to 4,950 feet, and approximately 51 percent of the land surface area has a slope of less than 5 percent. The average land surface slope over the entire general analysis area for the tract is approximately 6.2 percent. Surface mine lands, both active and reclaimed, dominate the landscape north, south and east of the South Porcupine LBA Tract. Based on total acreages, the predominant vegetation types in the general analysis area for the South Porcupine tract are Upland Grassland (55.7 percent) and Breaks Grassland (23.5 percent), both of which occur primarily on the rolling upland terrain. Other habitat types common to South Porcupine include Salt Grassland, Playa Grassland, Disturbed, and Water areas. Disturbed areas are characterized primarily by a network of major roads and well pads that are stabilized with gravel or reclaimed. There are also small tank batteries and numerous miles of pipeline disturbance that, to varying degrees, are recovering vegetation cover. Those disturbances are associated with both CBNG and traditional oil and gas development in the area, though similar existing disturbance has occurred from ongoing surface mining activities. No designated crucial or unique wildlife habitats are present. The South Porcupine tract is located at the headwaters of tributaries to Antelope, Horse, and Porcupine creeks. With the exception of about 60 acres, the entire BLM study area for the South Porcupine LBA Tract is within the existing North Antelope Rochelle Mine’s permit area. The North Antelope Rochelle Mine disturbs Porcupine Creek and several of its tributaries as well as several of Antelope Creek’s unnamed ephemeral tributaries. Numerous small in-channel reservoirs/stock ponds are scattered throughout the general Wright analysis area. Most of these stock ponds are many decades old and are constructed with earthen berms or dams. There are also a number of playas within the area. Those water bodies provide short-term habitat of variable S6-44 Draft EIS, Wright Area Coal Lease Application

Supplementary Information on the Affected Environment quality for migrating waterfowl, shorebirds, and other aquatic species (birds, fish, herptiles) during spring but are less reliable, and often dry, during other seasons. S6-10.2 Big Game The two big game species that are common in suitable habitat throughout the general analysis area for the South Porcupine tract are pronghorn (Antilocapra americana) and mule deer (Odocoileus hemionus). Elk (Cervus elaphus) wander from the protection of the Rochelle Hills to forage in native and reclaimed grasslands in the vicinity of the LBA tract, but spend most of the year in the Rochelle Hills located east and northeast of the general analysis area. Whitetailed deer (Odocoileus virginianus) are transients in the area due to their preference for riparian woodlands and irrigated agricultural lands. No crucial big game habitat or migration corridors are recognized by the WGFD in this area. No significant differences in the occurrence of big game and their habitats within the general analysis areas for the North Porcupine and South Porcupine LBA Tracts are known to exist (refer to Section S5-10.2). The South Porcupine tract is located within the WGFD Cheyenne River Pronghorn Herd Unit (Hunt Area 27) and the Thunder Basin Mule Deer Herd Unit (Hunt Area 10). S6-10.3 Other Mammals With the exception of the number and locations of prairie dog colonies, no significant differences in the occurrence of small- and medium-sized mammals and their habitats within the general analysis areas for the North Porcupine and South Porcupine LBA Tracts exist (refer to Section S5-10.3). Qualified wildlife biologists with J&S have mapped the current acreage of prairie dog colonies in the vicinity of the North Antelope Rochelle Mine by walking the perimeter of colonies and delineating them using hand-held global positioning system (GPS) receivers and/or by visually mapping them on topographic maps. Surveys conducted within 2 miles of the general analysis area for the South Porcupine LBA Tract located ten prairie dog colonies that cover a total of approximately 476.3 total acres (the colonies are depicted on Figure 3-37 in the WAC DEIS). No prairie dog colonies were present within the general analysis area itself in 2007. The largest colony was approximately 345.3 acres; this colony is within both the North and South Porcupine wildlife survey areas. The remaining nine colonies were all less than 40 acres, with an average size of about 15 acres. S6-10.4 Raptors Raptor species that are known or expected to occur in suitable habitat and commonly nest in the general Wright analysis area are discussed in Section S5-10.4. Draft EIS, Wright Area Coal Lease Applications S6-45

Supplementary Information on the Affected Environment The North Antelope Rochelle and Antelope mines’ raptor monitoring areas include their respective permit areas and a surrounding 1- or 2-mile perimeter. Due to the proximity of the South Porcupine LBA Tract to those adjacent mines, the entire South Porcupine tract’s general analysis area and most of the tract’s wildlife survey area have been included in annual monitoring surveys since the early 1980s. Previous information regarding nests, including their historical use by nesting raptors is available in the annual wildlife reports for the North Antelope Rochelle and Antelope mines. A total of seven raptor species have nested within the South Porcupine tract’s wildlife survey area. Six of the seven species have regularly nested within this area since annual monitoring began. Swainson’s hawks began nesting in the area more recently, and have been a consistent breeder ever since. Surveys completed in 2007 by J&S identified a total of 32 intact raptor nests within the wildlife survey area for the South Porcupine LBA: 12 ferruginous hawk nests (9 territories), four burrowing owl nest sites (four territories), four Swainson’s hawk nests (four territories), two red-tailed hawk nests (two territories), two great horned owl nests (two territories), and eight nests that have been used by multiple raptor species (refer to Figure 3-37 in the WAC DEIS for nest locations). Six of the 32 intact nests were within the general analysis area itself, all six of which (three ferruginous hawk, one Swainson’s hawk, and two multiple species nests) were present within the LBA tract as applied for. No additional intact nests were present on the additional lands evaluated by BLM under Alternative 2 or the ¼-mile disturbance buffer. Thirteen of the 32 intact nests encompassed by the South Porcupine wildlife survey area were active during 2007; three active nests were within the general analysis area. S6-10.5 Upland Game Birds Upland game bird species that have historically been documented in the general Wright analysis area are discussed in Section S5-10.5. With the exception of sage-grouse habitat use and sage-grouse lek descriptions, no significant differences in the upland game bird discussion within the North Porcupine and South Porcupine LBA tracts’ general analysis areas are known to exist. The historical and recently conducted sage-grouse surveys conducted by the North Antelope Rochelle Mine, including the baseline survey conducted by J&S in 2007 specific to this EIS, are also discussed in Section S5-10.5. The South Porcupine tract is dominated by grassland habitat (approximately 56 percent of the general analysis area is covered by upland grassland and 24 percent of the general analysis area is covered by breaks grassland). No sagegrouse leks have been documented within the wildlife study area for the South Porcupine LBA Tract. The Payne lek, which is nearly 5 miles to the northeast, is the closest sage-grouse lek to the South Porcupine LBA Tract. Figure 3-37 S6-46 Draft EIS, Wright Area Coal Lease Application

Supplementary Information on the Affected Environment in the WAC DEIS depicts the locations of the closest leks to this proposed lease area, all of which are discussed in Section S5-10.5. S6-10.6 Migratory Bird Species of Management Concern in Wyoming Surveys conducted by the North Antelope Rochelle Mine for migratory birds of concern are discussed in Section S5-10.6. The general analysis area for the South Porcupine LBA Tract is largely within the North Antelope Rochelle Mine’s existing mine permit area and has therefore been included in annual surveys for avian species of concern since at least 1984. Thirty of the 40 listed Level I and II species have historically been observed within the northeastern Wyoming (Latilong 13) and 19 species have been recorded in the vicinity of the South Porcupine LBA Tract (Table S6-7). The USFWS considers Level I species as in need of conservation action, which includes having a monitoring and mitigation plan for those birds. The 15 Level I and II species that historically have been recorded, or are suspected of nesting in the South Porcupine tract’s general analysis area include the McCown’s longspur, ferruginous hawk, Brewer’s sparrow, Swainson’s hawk, short-eared owl, burrowing owl, upland sandpiper, lark bunting, chestnutcollared longspur, sage thrasher, grasshopper sparrow, loggerhead shrike, vesper sparrow, lark sparrow, and merlin. The other non-nesting species documented less often and that have only been observed as migrants in the area include the long-billed curlew, peregrine falcon, mountain plover, and bald eagle. Peregrine falcons have been observed but nesting has not been documented in Latilong 13 (Cerovski et al. 2004). Only one confirmed nesting attempt by mountain plovers, which was an active nest discovered inside the current North Antelope Rochelle Mine permit area in 2004, fledging two young. The survey area, which include the mine’s permit area and a ½-mile perimeter, is inventoried for suitable mountain plover habitat annually. No other mountain plovers have been documented in this area or the entire general Wright analysis area before or after that year. The remaining migratory bird species of management concern are not likely to occur in the South Porcupine tract’s general analysis area. Suitable habitat that would support these species like coniferous woodlands, large expanses of native prairie, lush riparian corridors, and large persistent bodies of water are scarce if not absent on the general analysis area. S6-10.7 Other Species Refer to Section S5-10.7. S6-11 LAND USE AND RECREATION Approximately 54 percent of the surface estate on the South Porcupine LBA Tract as applied for and the area added under Alternative 2 (the BLM study area) is privately owned and 46 percent of the tract is owned by the U.S. Draft EIS, Wright Area Coal Lease Applications S6-47

Supplementary Information on the Affected Environment Table S6-7. Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the South Porcupine LBA Tract.
Species1 (Scientific Name) Seasonal Historical Occurrence in Status/Breeding Records in the Vicinity of the Northeastern WY1 LBA2 LEVEL I (species need conservation action) Summer/Observed Uncommon Resident/Breeder Summer/Breeder Summer/Observed Resident/Breeder Summer/Breeder Summer/Breeder Summer/Breeder Summer/Observed Resident/Breeder Resident/Observed Summer/Breeder Resident/Breeder Summer/Breeder Not Expected Uncommon Not Expected Common Uncommon Not Expected Uncommon Uncommon Uncommon Rare Uncommon Common Uncommon Occurrence and Status in the LBA in 20073 None None None None None None None Breeder None None None None None None

LEVEL II (species need monitoring) Never Recorded Not Expected Summer/Breeder Summer/Observed Summer/Breeder Never Recorded Never Recorded Never Recorded Summer/Breeder Summer/Breeder Summer/Breeder Summer/Observed Summer/Observed Common Not Expected Uncommon Not Expected Not Expcted Not Expected Not Expected Uncommon Uncommon Not Expected Not Expected

None Common Breeder None None None None None None None None None None

S6-48

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S6-7. Migratory Bird Species of Management Concern in Wyoming: Their Regional Status, and Expected and Actual Occurrence on or Near the South Porcupine LBA Tract (Continued).
Species1 (Scientific Name) Seasonal Status/Breeding Records in Northeastern WY1 Never Recorded Summer/Breeder Summer/Observed Never Recorded Never Recorded Never Recorded Summer/Breeder Summer/Breeder Summer/Breeder Summer/Observed Never Recorded Resident/Breeder Never Recorded Summer/Observed Historical Occurrence in the Vicinity of the LBA2 Not Expected Not Expected Not Expected Not Expected Not Expected Not Expected Uncommon Common Uncommon Not Expected Not Expected Uncommon Not Expected Not Expected Occurrence and Status in the LBA in 20073 None None None None None None Potential Breeder Common Breeder None None None None None None

Latilong 13 – Atlas of Birds, Mammals, Amphibians, and Reptiles in Wyoming (Cerovski et al. 2004). Historical Occurrence/Status in the South Porcupine LBA survey area is based on records from annual monitoring conducted at the North Antelope Rochelle Mine since 1984. Sighting records were derived from actual occurrence on or within ½ mile of the LBA tract and the Alternative 2 tract configuration area or from observations related to North Antelope Rochelle Mine’s baseline and annual monitoring.

Department of Agriculture and administered by the Forest Service (USFS). The surface ownership of the South Porcupine tract is shown in detail in Figure 3 45 and the distribution of surface ownership is given in Table 3-14 in the WAC DEIS document. Livestock grazing is the primary land use within the LBA tract as applied for and the area added under Alternative 2, while oil and gas production, wildlife habitat, and recreation are secondary land uses for the private lands. All but approximately 60 acres of the BLM study area for the South Porcupine tract lies within North Antelope Rochelle Mine’s existing mine permit area and is therefore not accessible to the general public for recreational activities. Areas of disturbance within and near the South Porcupine tract include roads, oil and gas wells and associated production facilities (including numerous buried pipelines), surface mine-related facilities and activities, and activities associated with ranching operations. The Antelope Road (County Road 4), a paved improved road that runs north-south, borders and crosses the South Porcupine tract. The primary access road to the North Antelope Rochelle Mine, Draft EIS, Wright Area Coal Lease Applications S6-49

Supplementary Information on the Affected Environment which is accessed from the Antelope Road, also crosses the LBA tract. Several unnamed two-track roads also traverse and provide public and private access within and near the proposed lease area. The Burlington Northern Santa Fe & Union Pacific (BNSF & UP) railroad right-of-way (ROW) borders the southwestern edge of the LBA tract as applied for, and overlies portions of the lands added under Alternative 2 (Figure 3-1 in the WAC DEIS document). The oil and gas estate within the South Porcupine LBA Tract as applied for and the area added under Alternative 2 is federally and privately owned, with the majority (approximately 96 percent) being federally owned. The ownership of the South Porcupine oil and gas estate is shown in the WAC DEIS document on Figure 3-51. A listing of the current federal oil and gas lessees of record is included as Table 3-20 in the WAC DEIS document. According to the Wyoming Oil and Gas Conservation Commission (WOGCC) records as of May 14, 2008, there was one conventional gas well on lands included in the South Porcupine LBA Tract as proposed and the lands added under Alternative 2 that was producing and two oil wells that had been plugged and abandoned (refer to Figure 3-51 in the WAC DEIS document for locations). The most recent conventional gas well in the general analysis area was drilled in 1981 (WOGCC 2008a). Conventional oil and gas wells capable of production within the BLM study area for the South Porcupine tract are listed in Appendix E of the WAC DEIS document. According to the WOGCC records as of May 14, 2008, 10 coal bed natural gas (CBNG) wells were producing and two CBNG wells were shut-in within the lands encompassed by the South Porcupine LBA Tract as applied for and the lands added under Alternative 2 (refer to Figure 3-51 in the WAC DEIS document for locations). Extensive CBNG development has occurred on lands north, south, and west of the tract. CBNG wells capable of production within the BLM study area for the South Porcupine LBA Tract are listed in Appendix E of the WAC DEIS document. Refer to the discussion on mining and recreational land uses in the general Wright analysis area within Section S5-11. S2-12 CULTURAL RESOURCES The entire general analysis area for the South Hilight Field LBA Tract has been intensively surveyed at a Class III level. Cultural resource inventories in this area began in the early 1980s and continued with numerous projects associated with oil and gas field development as well as surface mining operations throughout the 1990s and 2000s. Thunder Basin Coal Company, LLC (TBCC) contracted with GCM Services, Inc., of Butte, Montana to perform Class I inventories of all previous surveys and Class III surveys of all unsurveyed areas within the general analysis area for the South Hilight Field LBA Tract. GCM completed the Class III level inventory of the tract’s general analysis area in the summer of 2007 (reports not yet accessioned by the S6-50 Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment SHPO). The 2007 survey included a total of approximately 6,840 acres within the combined general analysis areas for the North, South and West Hilight Field LBA Tracts. A review of the Wyoming Cultural Resource Information System (WYCRIS) produced information from a total of 24 large-scale (40 acres or larger) Class III cultural resource inventory projects that have been conducted within the general analysis areas for the South and West Hilight Field tracts. Seventeen large-scale studies encompass the South Hilight Field tract and 16 studies encompass the West Hilight Field tract (many of these studies occur in both tracts). In addition, several small-scale inventories were reported in these areas. Small-scale inventories include seismic grids, well pads, access routes, utility corridors and drill holes associated with oil and gas development. These small projects were not listed in the large block inventory summary table (Table S6-8); however, any sites associated with small projects are included on the site summary table (Table S6-9). Within the general analysis areas for the North, South and West Hilight Field tracts, a total of 147 cultural properties (sites) have been recorded. Of these, 110 sites were previously recorded and were identified during record searches. An additional 37 sites were located during the 2007 Class III inventories of the remaining unsurveyed lands. The State Historic Preservation Office (SHPO) has not made National Register of Historic Places (NRHP) eligibility determinations for these sites at this time. Some of the cultural site’s eligibility determinations are pending remote sensing (magnetometer surveys) work and formal testing. A total of 21 cultural sites have been documented in the general analysis area for the South Hilight Field tract. Of these, 14 are prehistoric and seven are historic. Prehistoric sites consist primarily of lithic scatters and campsites. Historic sites consist primarily of trash dumps. Twelve of the prehistoric sites and four of the historic sites have been determined not eligible for the NRHP by the SHPO. Two of the prehistoric sites and three historic sites are considered unevaluated or not reviewed for eligibility by the SHPO. There are no NRHPeligible sites documented in the general analysis area for the South Hilight Field LBA Tract at this time. Table S2-9 lists the cultural sites, the site type (prehistoric or historic), the NRHP status (eligible, not eligible, or undetermined), the recommended action, and the recorder’s affiliation.

Draft EIS, Wright Area Coal Lease Applications

S6-51

Supplementary Information on the Affected Environment Table S6-8. Summary of Cultural Resource Inventories in the General Analysis Area for the South Porcupine LBA Tract. Survey Location
T41N, R70W, Section 7, NE¼NW¼

Class III Survey – Survey Organization, Date
Class III Inventory of Areas Adjacent to the Rochelle and (North) Antelope Mines - Mariah Associates, July 1991 Class III Inventory of Areas Adjacent to the Rochelle and (North) Antelope Mines - Mariah Associates, July 1991 Tract B Class III Inventory – GCM Services, September 1993 Tract C Class III Inventory – GCM Services, September 1993 Tract C Class III Inventory – GCM Services, September 1993 Class III Inventory of Areas Adjacent to the Rochelle and (North) Antelope Mines - Mariah Associates, July 1991

Section 7, NW¼NW¼, S½NW¼

Section 7, N½SW¼

Section 7, S½SW¼

Section 18, W½, W½SE¼

Section 18, W½NE¼

T41N, R71W, Section 1, All

Tract B Class III Inventory – GCM Services, September 1993 Tract B Class III Inventory – GCM Services, September 1993 Tract C Class III Inventory – GCM Services, September 1993 Tract L Class III Inventory – GCM Services, June 2004 Tract B Class III Inventory – GCM Services, September 1993 Tract L Class III Inventory – GCM Services, June 2004 Tract B Class III Inventory – GCM Services, September 1993 Tract C Class III Inventory – GCM Services, September 1993 Tract L Class III Inventory – GCM Services, June 2004

Section 2, E¼

Section 2, E½NW¼NE¼

Section 10, SE¼NE¼, NE¼SE¼, N½SE¼SE¼ (partial) Section 11, NE¼NE¼

Section 11, S½N½, N½SW¼, S½SW¼ (partial), SE¼

Section 12, N¼, SE¼NE¼, NE¼SE¼

Section 12, SW¼NE¼

Section 12, S½NW¼, SW¼ , NW¼SE¼, S½SE¼

S6-52

Draft EIS, Wright Area Coal Lease Applications

Supplementary Information on the Affected Environment Table S6-8. Summary of Cultural Resource Inventories in the General Analysis Area for the South Porcupine LBA Tract (Continued). Survey Location
T41N, R71W, Section 13, All

Class III Survey – Survey Organization, Date
Tract M Class III Inventory – GCM Services, June 2004 Tract M Class III Inventory – GCM Services, June 2004 Tract M1Class Inventory – GCM Services, November 2005 Tract M Class III Inventory – GCM Services, June 2004 Tract M Class III Inventory – GCM Services, June 2004 Tract C Drilling Areas Class III Inventory GCM Services, July 1994

Section 14, E¼

Section 14, NW¼NE¼, E½SW¼NE¼

Section 23, E½NE¼

Section 24, W½NE¼ (partial), NE¼NW¼ (partial), NW¼NW¼, N½SW¼NW¼, N½SE¼NW¼ (partial) Section 24, W½NE¼ (partial), NE¼NW¼ (partial), N½SE¼NW¼ (partial)

Table S6-9.

Cultural Resource Sites in the General Analysis Area for the South Porcupine LBA Tract. Prehistoric sites: 48CA2789, 48CA2790, 48CA3585, Lithic Scatter: 48CA3588 Camp & Lithic Scatter:
Stone Circle:
Cairn:
Historic sites: Homestead Remains: 48CA1276, 48CA2867 48CA132 48CA3583 48CA694, 48CA2793, 48CA2868, 48CA2870**, 48CA3586, 48CA4785*, 48CA5012 48CA5011 48CA5013 48CA949, 48CA2869 48CA3582

Debris: Livestock/Ranching: Cairn: Multi-component sites:

* NHRP eligible
** Site occurs on both North and South Porcupine tracts.

Draft EIS, Wright Area Coal Lease Applications

S6-53

SECTION 7
REFERENCES

Supplementary Information on the Affected Environment 7.0 REFERENCES CITED

All references cited within this supplementary information document are included within Section 6.0 of the WAC DEIS document, which is as follows: Bureau of Land Management (BLM), 2009, Wright Area Coal Lease Applications Draft Environmental Impact Statement, U.S. Department of the Interior, Bureau of Land Management, High Plains District Office, Casper, Wyoming, June 2009.

Draft EIS, Wright Area Coal Lease Applications

S7-1