PRB

U.S. DEPARTMENT OF THE INTERIOR

BUREAU OF LAND MANAGEMENT

Bull elk on Elk Mountain near Newcastle, Wyoming. Photo by Nate West.

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Buffalo Field Office

Powder River Basin Oil & Gas Project

PRB Biological Opinion

Final Biological Opinion - 60pgs, 4.35mb

PRB ROD

Record of Decision/Approved Plan Amendment - 131pgs, 1.51mb

PRB Final EIS/Proposed RMP Amendment

Volume 1

Cover - 1.52mb, 1pg
Dear Reader, Protest Procedures, Disclosure & Abstract - 284kb, 6pgs
Preface - 173kb, 6pgs
Summary - 271kb, 30pgs
Table of Contents - 336kb, 22pgs
Chapter 1 - Purpose and Need - 1009kb, 10pgs
Chapter 2 - Alternatives - 1.36mb, 86pgs
Chapter 3 - Affected Environment - 1.26mb, 279pgs

Volume 2

Cover - 1.52mb, 1pg
Chapter 4 - Environmental Consequences - 1.78mb, 405pgs
Chapter 5 - Land Use Planning and Management - 105kb, 5pgs
Chapter 6 - Consultation with Others - 74kb, 1pg
Chapter 7 - Preparers and Contributors - 124kb, 6pgs
Chapter 8 - Distribution of Draft EIS - 103kb, 5pgs
Chapter 9 - Glossary - 190kb, 19pgs
Chapter 10 - References Sited - 268kb, 49pgs
Index - 170kb, 4pgs

Volume 3

Cover - 1.52mb, 1pg
Appendix A - RFD Scenario - 1.44mb, 25pgs
Appendix B - MT-WY Memorandum of Cooperation - 23kb, 4pgs
Appendix C - Standard Conditions of Approval - 168kb, 10pgs
Appendix D - Mitigation Monitoring & Reporting Plan - 186kb, 11pgs
Appendix E - Project Area Soil Series Characteristics - 54kb, 6pgs
Appendix F - Air Quality - 292kb, 33pgs
Appendix G - Water Well Agreement - 47kb, 5pgs
Appendix H - EC and SAR Tables - 92kb, 5pgs
Appendix I - Water Management Plan - 212kb, 17pgs
Appendix J - Biological Assessment - 195kb, 20pgs
Appendix K - Biological Opinion - 316kb, 65pgs
Appendix L - Human Remains Plan - 99kb, 3pgs
Appendix M - Programmatic Mitigation Plan - 124kb, 6pgs
Appendix N - Integrated Pest Plan - 85kb, 4pgs
Appendix O - Current RMP & LRMP Decisions - 111kb, 2pgs
Appendix P - Review of Leases - 254kb, 36pgs
Appendix Q - Review of Plan Decisions - 200kb, 16pgs
Appendix R - Areas of Critical Environmental Concern - 3.76mb, 15pgs

Volume 4

Cover - 1.52mb, 1pg
Appendix S - Response to Comments - 1.60mb, 484pgs

Surface Water Quality Technical Report

Technical Report - single file; 230pgs, 1.05mb

Cover and Table of Contents - 5pgs, 22kb

Introduction and Map - 2pgs, 255kb

Project Description - 4pgs, 23kb

Approach to Surface Water Model - 5pgs, 29kb

Development of Surface Water Model - 7pgs, 37kb

Impacts Projected by the Surface Water Model - 153pgs, 612kb

Cumulative Impacts to Surface Water Projected by the Model - 4pgs, 25kb

References - 2pgs, 15kb

Appendix A - Numeric Standards Proposed for the Tongue, Powder, and Little Powder River Basins, and Adopted for the Cheyenne and Belle Fourche River Basins - 6pgs, 22kb

Appendix B - Analysis of SAR Mixing - 10pgs, 48kb

Appendix C - Existing Stream Flow and Water Quality Parameters at Selected Gauging Stations within the PRB - 3pgs, 20kb

Appendix D - Coal Bed Methane Parameters Used to Evaluate Potential Impacts to Surface Water Quality - 4pgs, 21kb

Appendix E - Comparison of Surface Water Model Predictions with Actual Observed Data (25pgs, 105kb)

Ground Water Quality Technical Report

Technical Report - single file; 288pgs, 33.89mb
Cover and Table of Contents (6pgs, 120kb)
Introduction and Map (3pgs, 2.49mb)
Hydrogeologic Framework (32pgs, 2.59mb)
CBM Water Handling Scenarios (2pgs, 147kb)
Development of Groundwater Model (37pgs, 6.63mb)
Model Calibration and Sensitivity Analysis (27pgs, 4.39mb)
Impacts Projected by the Model Under Alternative 1- Proposed Action (77pgs, 15.78mb)
Impacts Projected Under Other Alternatives (5pgs, 127kb)
Caballo Creek Sub-Area Model (11pgs, 875kb )
LX Bar Sub-Area Model (13pgs,493kb )
Bibliography (7pgs, 129kb)
Appendix A - Powder River Basin Geologic Cross-Sections (23pgs, 1.25mb)
Appendix B - Summary of Pumping Test Analyses Performed in the Powder River Basin (25pgs, 320kb)
Appendix C - List of Electronic Files Used for Groundwater Model (20pgs, 218kb)

PRB Draft EIS/Draft RMP Amendment

Scoping Letter - 1pg, 5kb
Activity Breakdown - 14pgs, 975kb
Reasonable Foreseeable Development scenario - 28pgs, 741kb

Please note that some figures are not included in the document to reduce file size and download
time. To view, click on the figure title.

Cover - 1.5mb, 2pgs
Dear Reader, Abstract, Preface, Abbreviations - 216kb, 8pgs
Summary - 184kb, 26pgs
Table of Contents - 167kb, 26pgs
Chapter 1 - Purpose and Need - 3,426kb, 10pgs
Chapter 2 - Alternatives - 437kb, 80pgs
Chapter 3 - Affected Environment - 4,207kb, 204pgs
Chapter 4 - Environmental Consequences - 1,345kb, 301pgs
Chapter 5 - Land Use Planning and Management - 157kb, 35pgs
Chapter 6 - Consultation with Others - 13kb, 2pgs
Chapter 7 - Preparers and Contributors - 28kb, 6pgs
Chapter 8 - Distribution of Draft EIS - 23kb, 6pgs
Chapter 9 - Glossary - 88kb, 18pgs
Chapter 10 - References Sited - 100kb, 24pgs
Index - 55kb, 2pgs
Appendix A - RFD Scenario - 1.48mb, 26pgs
Appendix B - MT-WY Memorandum of Cooperation - 20kb, 4pgs
Appendix C - Standard Conditions of Approval - 65kb, 18pgs
Appendix D - Mitigation Monitoring & Reporting Plan - 35kb, 8pgs
Appendix E - Project Area Soil Series Characteristics - 27kb, 6pgs
Appendix F - Air Quality - 52kb, 6pgs
Appendix G - Water Well Agreement - 21kb, 4pgs
Appendix H - Biological Assessment - 88kb, 20pgs
Appendix I - Outline of Treatment Plan for Cultural Resources - 14kb, 2pgs