Final Environmental Impact Statement |
| Cover, Dear Reader, Table of Contents | Executive Summary | |
Introduction/Purpose & Need |
| Chapter 1 | Chapter 1 Fig1.0-1 Location Map | Chapter 1 Fig1.0-2 Existing & Proposed Operations |
| Chapter 1 Fig1.0-3 KPLAs | | |
Description of Proposed Action and Alternatives |
| Chapter 2 | Chapter 2 Fig2.3-1 2004 Historic & Existing Operations | Chapter 2 Fig2.3-2 Open Pit Mining |
| Chapter 2 Fig2.4-1 Proposed Action Ultimate Pit Map | Chapter 2 Fig2.4-2 Typical Haul/Access Road | Chapter 2 Fig2.4-3 Pit E-O Area to be Backfilled from Panel F |
| Chapter 2 Fig2.4-4 Proposed Action Final Configuration Map | Chapter 2 Fig2.5-1 Overburden Cap Design | Chapter 2 Fig2.6-1 Alternative A / Panel F Ultimate Pit Map without Lease Modifications |
| Chapter 2 Fig2.6-2 Alternative A / Panel F Final Configuration Map without Lease Modifications | Chapter 2 Fig 2.6-3 Alternative B / Final Configuration without Seleniferous External Overburden | Chapter 2 Fig2.6-4 Alternative C / Final Configuration without Any External Overburden |
| Chapter 2 Fig2.6-5 Alternative D / Cover Design | Chapter 2 Fig2.6-6 Alternative D / Dinwoody Shale Borrow Pits and Stockpiles | Chapter 2 Fig2.6-7 Alternative E / Cross Section of Power Line Along Haul/Access Road |
| Chapter 2 Fig2.6-8a Transportation Alternatives | Chapter 2 Fig2.6-8b Unreclaimed Areas for Transportation Alternatives | Chapter 2 Fig2.6-9 Transportation Alternatives with IRAs |
| Chapter 2 Fig2.6-10 Conveyor Characteristics | Chapter 2 Fig2.6-11a Crow Creek/Wells Canyon Access Road South Half | Chapter 2 Fig2.6-11b Crow Creek/Wells Canyon Access Road North Half |
Affected Environment |
| Chapter 3 Pages i thru 3-76 | Chapter 3 Pages 3-77thru 3-185 | Chapter 3 Pages 3-186 thru 3-250 |
| Chapter 3 Fig3.1-1 Surface Geology and Faults | Chapter 3 Fig3.1-2 Panel F Area Cross Section | Chapter 3 Fig3.1-3 Panel G Area Cross Section |
| Chapter 3 Fig3.1-4 Strategic Section | Chapter 3 Fig3.1-5 Ecological Conceptual Site Model | Chapter 3 Fig3.2-1 Noise |
| Chapter 3 Fig3.3-1 Location Map - Water Resources | Chapter 3 Fig3.3-2 Aquatic Influence Zones | Chapter 3 Fig3.3-3 Surface Water Monitoring Stations in Study Areas |
| Chapter 3 Fig3.3-4 Panel F East-West Cross Section | Chapter 3 Fig3.3-5 Panel F North-South Cross Section | Chapter 3 Fig3.3-6 Panel G East-West Cross Section |
| Chapter 3 Fig3.3-7 Panel G North-South Cross Section | Chapter 3 Fig3.3-8 Monitoring Well Locations | Chapter 3 Fig3.3-9 Modeled Potentlometric Surface and Groundwater Flow Direction |
| Chapter 3 Fig3.4-1 Soil Mapping Units of Panel F | Chapter 3 Fig3.4-2 Soil Mapping Units of Panel G | Chapter 3 Fig3.4-3 Order 3 General Soils of Transportation Areas |
| Chapter 3 Fig3.5-1 Vegetation Cover Types in Project Area | Chapter 3 Fig3.5-2 Noxious Weeds | Chapter 3 Fig3.6-1 Wetlands |
| Chapter 3 Fig3.7-1 Big Game Winter Range | Chapter 3 Fig3.7-2 Western Toad Habitat at Sage Meadows | Chapter 3 Fig3.8-1 Fisheries and Aquatic Survey Locations |
| Chapter 3 Fig3.9-1 Grazing Allotments in the CEA | Chapter 3 Fig3.10-1 USFS Road Designations and Recreational Points | Chapter 3 Fig3.10-2 Private Owners |
| Chapter 3 Fig 3.10-3 Management Prescriptions - Suitable Timber | Chapter 3 Fig3.10-4 Land Status and Special Use Permits | Chapter 3 Fig3.11-1 Inventoried Roadless Areas of Sage Creek, Meade Peak and Gannett Spring |
| Chapter 3 Fig3.12-1 Visual Quality Objectives | Chapter 3 Fig3.12-2 Viewshed | Chapter 3 Fig3.12-3 Viewshed |
| Chapter 3 Fig3.12-4 Viewshed | Chapter 3 Fig3.12-5 Viewshed | Chapter 3 Fig3.12-6 Viewshed |
| Chapter 3 Fig3.12-7 Viewshed | Chapter 3 Fig3.12-8 Viewshed | |
Environmental Consequences |
| Chapter 4 Pages i thru 4-122 | Chapter 4 Pages 4-123 thru 4-253 | Chapter 4 Fig4.3-2 Location of Points for Modeled COPC Concentrations |
| Chapter 4 Fig4.3-3 0.05 mg/L Selenium Plume at 47 years, Proposed Action | Chapter 4 Fig4.3-4 0.05 mg/L Selenium Plume at 100 years, Proposed Action | |
| Chapter 4 Fig4.3-5 0.05 mg/L Selenium Plume at 48 years, Alternative A | Chapter 4 Fig4.3-6 0.05 mg/L Selenium Plume at 100 years, Alternative A | Chapter 4 Fig4.3-7 0.05 mg/L Selenium Plume at 50 years, Alternative B |
| Chapter 4 Fig4.3-8 0.05 mg/L Selenium Plume at 100 years, Alternative B | Chapter 4 Fig4.3-9 0.05 mg/L Selenium Plume at 50 years, Alternative C | Chapter 4 Fig4.3-10 0.05 mg/L Selenium Plume at 100 years, Alternative C |
| Chapter 4 Fig4.3-11 0.05 mg/L Selenium Plume at 100 years, Alternative D | Chapter 4 Fig4.12-1 Visual Simulation | |
Cumulative Effects |
| Chapter 5 | Chapter 5 Fig5.1-1 Cumulative Effects Area for Geology, Minerals and Topography | Chapter 5 Fig5.2-1 Cumulative Effects for Air and Noise Resources |
| Chapter 5 Fig5.3-1 Cumulative Effects Area for Ground Water Resources | Chapter 5 Fig5.3-2 Site Investigation Wells | Chapter 5 Fig5.4-1 Cumulative Effects Area for Surface Water, Soils, Vegetation, Wetlands, Fisheries and Aquatics, Visual/Aesthetics, Cultural and Noise Resources |
| Chapter 5 Fig5.8-1 Cumulative Effects Area for Wildlife, Including Special Status Species | Chapter 5 Fig5.10-1 Cumulative Effects Area for Grazing Management | Chapter 5 Fig5.11-1 Cumulative Effects Area for Recreation and Land Use |
| Chapter 5 Fig5.12-1 Cumulative Effects Area for Inventoried Roadless Areas | | |
| Chapter 6 - Consultation and Coordination | Chapter 7 - Comments and Response | Chapter 8 - References, Index, Acronyms and Glossary |
Appendix |
| Appendix 2A Part 1 - CERCLA Investigations and Response for Smoky Canyon Mine and South Fork Sage Creek | Appendix 2A Part 2 - CERCLA Investigations and Response for Smoky Canyon Mine and South Fork Sage Creek | Appendix 2A Part 2 - Figure 1 Sage Valley Area October 2006 Surface Water and Groundwater Monitoring Locations |
| Appendix 2A Part 2 - Figure 2 E Panel Groundwater Monitoring Locations October 2006 | Appendix 2A Part 2 - Figure 3 Pre E Panel Total Selenium Concentrations for HS and LSS (1991-1998) | Appendix 2A Part 2 - Figure 4 Flow and Total Selenium Concentrations for HS and LSS During E Panel Activities (April 1999 - September 2004) |
| Appendix 2A Part 2 - Figure 5 Flow and Total Selenium Concentrations for HS and LSS During E Panel Activities (October 2004 - January 2007) | Appendix 2A Part 2 - Figure 6 Smoky Canyon Mine Monthly Precipitation Totals | Appendix 2A Part 2 - Figure 7 E panel and E Panel External ODA Run-On Areas |
| Appendix 2A Part 2 - Figure 8 2006 Reclamation Status E Panel | | |
Appendix 2B Stream Crossing Analysis | Appendix 2C Environmental Commitments and BMPs for Haul/Access Roads | Appendix 2D BMPs for Erosion, Sedimentation, and Selenium Control |
| Appendix 2E Monitoring Plan | | |
| Appendix 3A - Part 1 Historic Stream Flow Measurement Summary and 2003 and 2004 Stream Flow Measurement Data | Appendix 3A - Part 2 Summary of Surface Water Data | Appendix 3A - Part 3 Summary of Sediment Data |
| Appendix 3A - Part 4 Summary of Water Rights Points of Diversion | Appendix 3A - Part 5 Summary of Groundwater Data | Appendix 3A - Part 6 Graphical Plots (Piper and Stiff Diagrams) Figures H-1 to H-9 |
| Appendix 3A - Part 7 2005 Water Resources Baseline Data | Appendix 3A - Part 8 Smoky Canyon Mine - Area A Monitoring Data - May-June 2006 | Appendix 3A - Part 9 GYC 2005 Data |
| Appendix 3A - Part 10 2005 Water Monitoring Data Collected by Newfields for Simplot | Appendix 3A - Part 11 2005 Water Monitoring Data Collected by ACZ for IDEQ | Appendix 3A - Part 12 2006 Water Monitoring Data Collected by Newfields for Simplot |
| Appendix 3B Spawning Gravel Requirements for Cutthroat Trout | | |
| Appendix 3C - Selenium Bioaccumulation (Chapman Report) | Appendix 3C - Summary of Review Comments and Actions Taken | Appendix 3C - Technical Memorandum |
| Appendix 4A - Watershed Erosion Prediction Project Modeling | Appendix 4B - Yellowstone Cutthroat Trout Biological Evaluation | |
| Appendix 7A - Federal, State and Local Agencies and Elected Officials Comment Letters on the DEIS | | |
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