Powder River Basin Oil & Gas Project

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FY 2007

PRB Biological Opinion

• Final Biological Opinion - 4.35mb
• Biological Assessment for ESA Consultation Reinitiation - 209kb

FY 2003

PRB ROD

• Record of Decision/Approved Plan Amendment - 1.44mb

PRB Final EIS/Proposed RMP Amendment

Volume 1

• Cover - 1.52mb
• Dear Reader, Protest Procedures, Disclosure & Abstract - 284kb
• Preface - 173kb
• Summary - 271kb
• Table of Contents - 336kb
• Chapter 1 - Purpose and Need - 1009kb
• Chapter 2 - Alternatives - 1.36mb
• Chapter 3 - Affected Environment - 1.26mb
  • Figure 3-1 - SAR + EC
  • Figure 3-2 - Approximate Drawdown in 2000 at Selected BLM Monitoring Wells
  • Figure 3-3 - CBM Water Production in the Powder River Basin, Wyoming
  • Figure 3-4 - Water Well Density & Existing CBM Wells
  • Figure 3-5 - Existing Outfall Density and Water Production
  • Figure 3-6 - Generalized Geology of the Powder River Basin
  • Figure 3-7 - Stratigraphic Nomenclature for the Powder River Basin
  • Figure 3-8 - Soils and Slope
  • Figure 3-9 - Species Richness
  • Figure 3-10 - Distribution of Vegetation Types within the Project Area
  • Figure 3-11 - Pronghorn Ranges
  • Figure 3-12 - White-tailed Deer Ranges
  • Figure 3-13 - Mule Deer Ranges
  • Figure 3-14 - Elk Ranges
  • Figure 3-15 - Moose Ranges
  • Figure 3-16 - Sage Grouse Habitats
  • Figure 3-17 - Surface Ownership
  • Figure 3-18 - CBM Mineral Ownership
  • Figure 3-19 - Land Use and Recreation Sites
  • Figure 3-20 - Visual Resource Management Classes

Volume 2

• Cover - 1.52mb, 1pg
• Chapter 4 - Environmental Consequences - 1.78mb, 405pgs
  • Figure 4–2 - Modeled Drawdown Upper Fort Union Coals Layer 8 Year 2006
  • Figure 4–3 - Modeled Drawdown Upper Fort Union Coals Layer 10 Year 2006
  • Figure 4–4 - Modeled Drawdown Upper Fort Union Coals Layer 12 Year 2006
  • Figure 4–5 - Modeled Drawdown Upper Fort Union Coals Layer 14 Year 2006
  • Figure 4–6 - Modeled Drawdown Upper Fort Union Coals Layer 8 Year 2009
  • Figure 4–7 - Modeled Drawdown Upper Fort Union Coals Layer 10 Year 2009
  • Figure 4–8 - Modeled Drawdown Upper Fort Union Coals Layer 12 Year 2009
  • Figure 4–9 - Modeled Drawdown Upper Fort Union Coals Layer 14 Year 2009
  • Figure 4–10 - Modeled Drawdown Upper Fort Union Coals Layer 8 Year 2012
  • Figure 4–11 - Modeled Drawdown Upper Fort Union Coals Layer 10 Year 2012
  • Figure 4–12 - Modeled Drawdown Upper Fort Union Coals Layer 12 Year 2012
  • Figure 4–13 - Modeled Drawdown Upper Fort Union Coals Layer 14 Year 2012
  • Figure 4–14 - Modeled Drawdown Upper Fort Union Coals Layer 8 Year 2018
  • Figure 4–15 - Modeled Drawdown Upper Fort Union Coals Layer 10 Year 2018
  • Figure 4–16 - Modeled Drawdown Upper Fort Union Coals Layer 12 Year 2018
  • Figure 4–17 - Modeled Drawdown Upper Fort Union Coals Layer 14 Year 2018
  • Figure 4–18 - Location of Calibration Wells
  • Figure 4–22 - Modeled Drawdown Upper Fort Union Coals Layer 8 Year 2030
  • Figure 4–23 - Modeled Drawdown Upper Fort Union Coals Layer 10 Year 2030
  • Figure 4–24 - Modeled Drawdown Upper Fort Union Coals Layer 12 Year 2030
  • Figure 4–25 - Modeled Drawdown Upper Fort Union Coals Layer 14 Year 2030
  • Figure 4–26 - Modeled Drawdown Upper Fort Union Coals Layer 8 Year 2060
  • Figure 4–27 - Modeled Drawdown Upper Fort Union Coals Layer 10 Year 2060
  • Figure 4–28 - Modeled Drawdown Upper Fort Union Coals Layer 12 Year 2060
  • Figure 4–29 - Modeled Drawdown Upper Fort Union Coals Layer 14 Year 2060
  • Figure 4–43 - Soils and Existing and Proposed CBM Wells
  • Figure 4–44 - Distribution of Intensive Surveys and the Relative Density of Cultural
    Sites Recorded
• Chapter 5 - Land Use Planning and Management - 105kb
• Chapter 6 - Consultation with Others - 74kb
• Chapter 7 - Preparers and Contributors - 124kb
• Chapter 8 - Distribution of Draft EIS - 103kb
• Chapter 9 - Glossary - 190kb
• Chapter 10 - References Cited - 268kb
• Index - 170kb

Volume 3

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

Volume 4

• Cover - 1.52mb
• Appendix S - Response to Comments - 1.60mb

Surface Water Quality Technical Report

• Technical Report - single file; 1.05mb

• Cover and Table of Contents - 22kb
• Introduction and Map -  255kb
• Project Description - 23kb
• Approach to Surface Water Model - 29kb
• Development of Surface Water Model - 37kb
• Impacts Projected by the Surface Water Model - 612kb
• Cumulative Impacts to Surface Water Projected by the Model -  25kb
• References -  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 -  22kb
• Appendix B - Analysis of SAR Mixing -  48kb
• Appendix C - Existing Stream Flow and Water Quality Parameters at Selected Gauging Stations within the PRB - 20kb
• Appendix D - Coal Bed Methane Parameters Used to Evaluate Potential Impacts to Surface Water Quality - 21kb
• Appendix E - Comparison of Surface Water Model Predictions with Actual Observed Data -  105kb
 

Ground Water Quality Technical Report

• Technical Report - single file; 33.89mb

• Cover and Table of Contents (120kb)
• Introduction and Map (2.49mb)
• Hydrogeologic Framework (2.59mb)
• CBM Water Handling Scenarios (147kb)
• Development of Groundwater Model ( 6.63mb)
• Model Calibration and Sensitivity Analysis (4.39mb)
• Impacts Projected by the Model Under Alternative 1- Proposed Action (15.78mb)
• Impacts Projected Under Other Alternatives (127kb)
• Caballo Creek Sub-Area Model (875kb )
• LX Bar Sub-Area Model (493kb )
• Bibliography (129kb)
• Appendix A - Powder River Basin Geologic Cross-Sections (1.25mb)
• Appendix B - Summary of Pumping Test Analyses Performed in the Powder River Basin (320kb)
• Appendix C - List of Electronic Files Used for Groundwater Model (218kb)

FY 2000

PRB Draft EIS/Draft RMP Amendment

• Scoping Letter - 5kb
• Activity Breakdown - 975kb
• Reasonable Foreseeable Development scenario - 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
• Dear Reader, Abstract, Preface, Abbreviations - 216kb
• Summary - 184kb
• Table of Contents - 167kb
• Chapter 1 - Purpose and Need - 3,426kb
• Chapter 2 - Alternatives - 437kb
• Chapter 3 - Affected Environment - 4,207kb
• Chapter 4 - Environmental Consequences - 1,345kb
• Chapter 5 - Land Use Planning and Management - 157kb
• Chapter 6 - Consultation with Others - 13kb
• Chapter 7 - Preparers and Contributors - 28kb
• Chapter 8 - Distribution of Draft EIS - 23kb
• Chapter 9 - Glossary - 88kb
• Chapter 10 - References Cited - 100kb
• Index - 55kb
• Appendix A - RFD Scenario - 1.48mb
• Appendix B - MT-WY Memorandum of Cooperation - 20kb
• Appendix C - Standard Conditions of Approval - 65kb
• Appendix D - Mitigation Monitoring & Reporting Plan - 35kb
• Appendix E - Project Area Soil Series Characteristics - 27kb
• Appendix F - Air Quality - 52kb
• Appendix G - Water Well Agreement - 21kb
• Appendix H - Biological Assessment - 88kb
• Appendix I - Outline of Treatment Plan for Cultural Resources - 14kb