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Response to PSC Comments - April 28, 2010
Cover Page
Complete Table of Contents Listing
1 Introductory, Legal, Financial, Compliance, and Related Information
1.0 Introductory, Legal, Financial, Compliance, and Related Information Narrative
Tables
Table 1.3-1 Ownership and Control Information
Table 1.5-1 Other Required Licenses/Permits Applicable for the South Heart Lignite Mine
Figures
Figure 1.0-1 Permit Area
Figure 1.2-1 Newspaper Publication Map
Figure 1.3-1 South Heart Coal LLC Corporate Structure
Figure 1.3-2 Surface Ownership
Figure 1.3-3 Coal Ownership
Figure 1.4-1 Landowner Notification Map
Appendices
Appendix 1.1-1 South Heart Lignite Mine Permit Application Form (SFN 10522)
Appendix 1.2-1 Metes and Bounds Legal Description of Permit Area
Appendix 1.2-2 Proof of Filing Fee
Appendix 1.2-3 Newspaper Notice of Filing for a Permit to Conduct Surface Coal Mining Operations
Appendix 1.2-4 Certificate of Liability Insurance
Appendix 1.3-1 Surface Ownership
Appendix 1.3-2 Coal Ownership
Appendix 1.3-3 Surface and Coal Lease Agreements
Appendix 1.3-4 Certificate of Authenticity
Appendix 1.4-1 Surface Owner Notification Letters
Appendix 1.5-1 Contact List
2 Environmental Resources Information
2.0 Environmental Resources Information
2.0 Environmental Resources Narrative
Figures
Figure 2.0A General Site Map, Sheet 1
Figure 2.0B General Site Map, Sheet 2
Figure 2.0C General Site Map, Sheet 3
2.1 Cultural and Historic Resources
2.1 Cultural Resources Narrative
Tables
Table 2.1-1 Summary of Cultural Sites Located within the Study Area
Table 2.1-2 Legal Description of the Study Area
Table 2.1-3 Previous Cultural Resource Projects within the Study Area
Table 2.1-4 Previously Recorded Sites in the Study Area Vicinity
Table 2.1-5 Site Attibutes and National Register Eligibility Recommendations for Sites within the Study Area
Table 2.1-6 Cairn Attributes at Site 32SK1005
Table 2.1-7 Summary of Cultural Site Type
Table 2.1-8 Management Recommendations
Figures
Figure 2.1-1 Archaeology Study Area
Figure 2.1-2 Cultural Resources
Appendices
Appendix 2.1-1 SHSND Correspondences
Appendix 2.1-2 A Class III Cultural Resource Inventory
2.2 Climate
2.2 Climate Narrative
Tables
Table 2.2-1 Existing and Historic Meteorological Stations
Table 2.2-2 Monthly Mean Historic Precipitation
Table 2.2-3 Mean Annual Precipitation
Table 2.2-4 Monthly Mean Historic Temperature at the Dickinson Municipal Airport (July 2, 1949 - April 30, 2007)
Table 2.2-5 Average Historic Relative Humidity by Month at Six-Hour Intervals at Bismarck (1931-1960)
Table 2.2-6 Parameters Measured from the South Heart Meteorological Station
Table 2.2-7 Daily Average, Maximum and Minimum Values for Wind Speed, Wind Gust, Wind Direction, Wind Direction Variance, Air Temperature and Relative Humidity from the South Heart Meteorological Station
Table 2.2-8 Daily Values for Barometric Pressure, Weighing Bucket Rain Gage, Tipping Bucket Rain Gage, and Solar Radiation from the South Heart Meteorological Station
Table 2.2-9 Monthly Average, Minimum and Maximum Values for Wind Speed, Wind Gusts, Wind Direction, Wind Direction Variance, Air Temperature and Relative Humidity, by Year from the South Heart Meteorological Station
Table 2.2-10 Monthly Values for Barometric Pressure, Weighing Bucket, Tipping Bucket and Solar Radiation, by Year from the South Heart Meteorlogical Station
Figures
Figure 2.2-1 Existing and Historic Meteorological Stations
Figure 2.2-2 Monthly Mean Historic Precipitation Values
Figure 2.2-3 Observed Annual Precipitation
Figure 2.2-4 Windrose for the Dickinson Municipal Airport Station
2.3 Geology
2.3 Geology Narrative
Tables
Table 2.3-1 North Dakota Generalized Stratigraphic Column for the Williston Basin
Table 2.3-2 Correlation of the Lignite Terminology between the SHLM, Northern Pacific Railway Company (NPRC) and the USGS
Table 2.3-3 North Dakota Previous Mines
Table 2.3-4 Overburden Sampling and Analysis Programs
Table 2.3-5 Borehole Data for 2002, Phase I, Phase II, Phase III, and 2009 Boreholes for Overburden and Coal Characterization
Table 2.3-6 Borehole Data for South Heart Shallow Overburden Boreholes for Overburden Characterization
Table 2.3-7 Overburden Analytes-Suite One
Table 2.3-8 Overburden Analytes-Suite Two
Table 2.3-9 Summary of 2002, Phase I, Phase II, and Phase III Overburden Data for Overburden Analysis
Table 2.3-10 Summary of Shallow Overburden Data for Overburden Analysis
Table 2.3-11 Suite Two Results: Acid Base Accounting
Table 2.3-12 Suite Two Results: Whole Rock Acid Digestion for Metals
Table 2.3-13 Suite Two Results: Synthetic Precipitation Leaching Procedure
Table 2.3-14 Suite Two Results: Comparison of Ground Water Leaching Procedure to SPLP
Table 2.3-15 Available 2002 Boreholes with Lithologic Logs
Table 2.3-16 Depth of Subsurface Water Encountered in Phase I, Phase II, Phase III, 2009 and Shallow Overburden Boreholes
Table 2.3-17 2002 Boreholes with Geophysical Logs
Table 2.3-18 Available Boreholes with Coal Quality Data Presented in the Maps
Table 2.3-19 Summary of Pre-2006 Coal Quality Lab Data
Table 2.3-20 Summary of Coal Quality Analysis for All South Heart Cored Holes
Table 2.3-21 Summary of Coal Analysis of Rotary Boreholes for 2006 and 2007 Drilling
Figures
Figure 2.3-1 Geology Study Area with Borehole Locations
Figure 2.3-2A Overview of Study Area Geology
Figure 2.3-2B Study Area Geology Sheet 1 of 3
Figure 2.3-2C Study Area Geology Sheet 2 of 3
Figure 2.3-2D Study Area Geology Sheet 3 of 3
Figure 2.3-3 Stratigraphic Column
Figure 2.3-4 Geologic Cross-Sections
Figure 2.3-5 HT Butte Coal Thickness
Figure 2.3-6 D Coal Thickness
Figure 2.3-7 D Coal Overburden Thickness
Figure 2.3-8 E1 Coal Thickness
Figure 2.3-9 E Coal Thickness
Figure 2.3-10 F Coal Thickness
Figure 2.3-11 HT Butte Coal Bottom Structure
Figure 2.3-12 D Coal Bottom Structure
Figure 2.3-13 E1 Coal Bottom Structure
Figure 2.3-14 E Coal Bottom Structure
Figure 2.3-15 Location of Previous Underground and Surface Mines
Figure 2.3-16 Locations of Oil and Gas Wells, and Underground and Surface Mines
Figure 2.3-17A Overburden Sampling Boreholes
Figure 2.3-17B Shallow Overburden Boreholes
Figure 2.3-17C Boreholes with Suite Two Analyses
Figure 2.3-18A SAR, E.C., and Lithologic Units for SHOB-05, SHOB-14, SHOB-22, SHOB-27, SHOB-33, and SHOB-38
Figure 2.3-18B SAR, E.C., and Lithologic Units for SHOB-07, SHOB-16, and SHOB-29
Figure 2.3-19 Box and Whisker Plot of Texture vs. SAR
Figure 2.3-20 Current and Historic Boreholes with Lithologic Logs
Figure 2.3-21 Current and Historic Boreholes with Geophysical Logs
Figure 2.3-22 Examples of Geophysical Logs for Gamma Ray Analysis
Figure 2.3-23 Drill Hole Locations (Core Holes, Quality Modeled)
Figure 2.3-24 Drill Hole Locations (Rotary Holes)
Figure 2.3-25 E Coal Heating Value (BTU/lb) (As-Received Basis)
Figure 2.3-26 E Coal Sulfur Content (%) (As-Received Basis)
Figure 2.3-27 E Coal Sodium Content (%) (As-Received Basis)
Figure 2.3-28 E Coal Moisture Content (%) (As-Received Basis)
Figure 2.3-29 E Coal Ash Content (%) (As-Received Basis)
Figure 2.3-30 E1 Coal Heating Value (BTU/lb) (As-Received Basis)
Figure 2.3-31 E1 Coal Sulfur Content (%) (As-Received Basis)
Figure 2.3-32 E1 Coal Sodium Content (%) (As-Received Basis)
Figure 2.3-33 E1 Coal Moisture Content (%) (As-Received Basis)
Figure 2.3-34 E1 Coal Ash Content (%) (As-Received Basis)
Figure 2.3-35 D Coal Heating Value (BTU/lb) (As-Received Basis)
Figure 2.3-36 D Coal Sulfur Content (%) (As-Received Basis)
Figure 2.3-37 D Coal Sodium Content (%) (As-Received Basis)
Figure 2.3-38 D Coal Moisture Content (%) (As-Received Basis)
Figure 2.3-39 D Coal Ash Content (%) (As-Received Basis)
Figure 2.3-40 HT Butte Coal Quality (As-Received Basis)
Appendices
Appendix 2.3-1 Previous Mine Search Results
Appendix 2.3-2 NDIC DMR, Oil and Gas Division Well Search Results
Appendix 2.3-3 Well No. 6369
Appendix 2.3-4 Well No. 4975
Appendix 2.3-5 Summary of 2002 Overburden Analyses by Borehole
Appendix 2.3-6 Summary of Phase I, Phase II, and Phase III Overburden Analyses by Borehole within the Study Area
Appendix 2.3-7 Summary of Shallow Overburden Analyses by Borehole within the Study Area
Appendix 2.3-8 2002 Overburden Laboratory Data Sheets
Appendix 2.3-9 Phase I and Phase II Overburden Laboratory Data Sheets
Appendix 2.3-10 Phase III Overburden Laboratory Data Sheets
Appendix 2.3-11 Shallow Overburden Laboratory Data Sheets
Appendix 2.3-12 Suite Two Analyses Laboratory Data Sheets
Appendix 2.3-13 2002 Lithologic Logs within the Study Area
Appendix 2.3-14 Phase II and Phase III Lithologic Logs within the Study Area
Appendix 2.3-15 Shallow Overburden Lithologic Logs within the Study Area
Appendix 2.3-16 2002 Geophysical Logs within the Study Area
Appendix 2.3-17 Phase II and Phase III Geophysical Logs within the Study Area
Appendix 2.3-18 Coal Logs 2007 within the Study Area
Appendix 2.3-19 Detailed Incremental Analyses for the Cored Holes within the Study Area
Appendix 2.3-20 Detailed Incremental Analyses for the Rotary Holes within the Study Area
2.4 Soil Resources
2.4 Soil Resources Narrative
Tables
Table 2.4-1 Laboratory Parameters and Method References
Table 2.4-2 Laboratory Results for All Sample Sites
Table 2.4-3 Soil Series Present within the Permit Boundary
Table 2.4-4 Soil Map Unit Descriptions
Table 2.4-5 Soil Map Unit Acreage within the Permit Boundary
Table 2.4-6 Observation Point Classification and Salvage Recommendations
Figures
Figure 2.4-1 Overview of Soil Study Area
Figure 2.4_2A Soil Survey Map, Sheet 1
Figure 2.4_2B Soil Survey Map, Sheet 2
Figure 2.4_2C Soil Survey Map, Sheet 3
Appendices
Appendix 2.4-1 Typical Soil Series Pedon Descriptions
2.5 Ground Water Hydrology
2.5 Ground Water Hydrology Narrative
Tables
Table 2.5-1 Regional and Local Hydrogeology
Table 2.5-2A Well Monitoring Locations
Table 2.5-2B Staff Gage Locations
Table 2.5-2C Seep and Spring Locations
Table 2.5-3 Summary of Field Derived Aquifer Test Results
Table 2.5-4 Probable Hydrologic Effects of Mining
Table 2.5-5 Ground Water Monitoring Schedule
Figures
Figure 2.5-1 Locations of Monitoring Wells, Staff Gages, and Seeps and Springs
Figure 2.5-2 Geologic Cross Sections
Figure 2.5-3 Underburden - HT Butte Aquifer Potentiometric Surface
Figure 2.5-4 HT Butte Coal Potentiometric Surface
Figure 2.5-5 Overburden - D Coal Aquifer Potentiometric Surface
Figure 2.5-6 Underburden and HT Butte Coal Wells Piper Plot
Figure 2.5-7 Overburden and D Coal Wells Piper Plot
Appendices
Appendix 2.5-1 Monitoring Well Borehole and Construction Summary
Appendix 2.5-2 Monitoring Well Lithologic Boring Logs
Appendix 2.5-3 Monitoring Well Geophysics Logs
Appendix 2.5-4 Water Levels and Seep and Spring Flows
Appendix 2.5-5 Aquifer Testing at the South Heart Lignite Mine
Appendix 2.5-5 Aquifer Testing at the South Heart Lignite Mine Narrative
Tables
Table 2.5-5-1 Summary of Field Derived Aquifer Properties
Figures
Figure 2.5-5-1 Aquifer Testing Well Locations
Appendix 2.5-6 Water Quality Results for Ground Water and Seeps and Springs
Appendix 2.5-6 Water Quality Results for Ground Water and Seeps and Springs Narrative
Tables
Table 2.5-6-1 Ground Water Quality
Table 2.5-6-2 Seeps and Springs Water Quality
Figures
Figure 2.5-6-1 Overburden Wells Piper Plot
Figure 2.5-6-2 D Coal Wells Piper Plot
Figure 2.5-6-3 Underburden Wells Piper Plot
Figure 2.5-6-4 HT Butte Wells Piper Plot
Figure 2.5-6-5 Alluvial Wells Piper Plot
Figure 2.5-6-6 Seeps and Springs Piper Plot
Appendix 2.5-7 Boreholes Considered for Interpretation of Hydrogeology
Appendix 2.5-7 Boreholes Considered for Interpretation of Hydrogeology
Figures
Figure 2.5-7-1 Boreholes Considered for Interpretation of Hydrogeology
Appendix 2.5-8 Well Certification
Appendix 2.5-8 Well Certification Narrative
Tables
Table 2.5-8-1 Potential Well/Spring Owners
Figures
Figure 2.5-8-1 Certified Wells and Springs
Appendices
Appendix A Typical Letter and Well/Spring Questionnaire
Appendix B Completed Well Survey Packets
2.6 Surface Water Information
2.6 Surface Water Information Narrative
Tables
Table 2.6-1 Geomorphic Characteristics of Streams at the Ten Alluvial Sites in the Primary Study Area
Table 2.6-2 Culvert Descriptions
Table 2.6-3 Bridge and Dam Descriptions
Table 2.6-4 Reservoirs and Stock Ponds
Table 2.6-5 Stream Gage and Catchment Information
Table 2.6-6 Summary Information for USGS Stream Gages
Table 2.6-7 Baseflow Calculations for the Heart River
Table 2.6-8 Mean Monthly Flows
Table 2.6-9 Primary Study Area Gaging Station Site Selection Criteria
Table 2.6-10 Primary Study Area Gaging Station Measuring Devices
Table 2.6-11 Summary of Stark County Water Rights
Table 2.6-12 Summary of Historic Water Quality Data and Documentation Sources
Table 2.6-13 Criteria for Selecting Water Quality Sampling Sites
Table 2.6-14 Surface Water Sampling Events
Table 2.6-15 Surface Water Quality Data: Average, Minimum, Maximum and Number of Sample Dates for Total Dissolved Solids, Total Suspended Solids, Iron and pH
Table 2.6-16 Curve Numbers Associated with Different Hydrologic Soil Types
Table 2.6-17 Comparison of Potential Changes in Flows from Proposed Mine Operations
Table 2.6-18 Comparison of Potential Changes in Flows Following Mine Reclamation
Table 2.6-19 Surface Water Quality Assessment
Figures
Figure 2.6-1 Overview of Surface Water Study Areas
Figure 2.6-2 Geomorphic Site Locations
Figure 2.6-3 Drainage Area - Local Channel Slope Relationship in the Primary Study Area
Figure 2.6-4 Overland Flow Path Length - Ground Slope Relationship in the Primary Study Area
Figure 2.6-5 Location of Structures and Ponds
Figure 2.6-6A Surface Water Contributing Watersheds Sheet 1
Figure 2.6-6B Surface Water Contributing Subwatersheds Sheet 2
Figure 2.6-7 Heart River Near South Heart (USGS GAGE #06343000) Mean Daily Flow Hydrograph and Flow Exceedance Probabilities, Period of Record from July 01, 1946 to September 30, 1984
Figure 2.6-8 Stark County Surface Water Rights
Figure 2.6-9 Surface Water Quality Monitoring Locations
Appendices
Appendix 2.6-1 Seasonal Variation for Surface Water Quantity within the Primary Study Area
Appendix 2.6-2 Historical Water Chemistry Data
Appendix 2.6-3 Limited Sediment and Phosphorous Data at Five Sites
Appendix 2.6-4 Surface Water Quality Results
2.7 Land Use and Vegetation
2.7.1 Pre-mining Land Use
2.7.1 Pre-mining Land Use Narrative
Tables
Table 2.7.1-1 Pre-Mine Land Use Acreage within the Permit Boundary
Table 2.7.1-2 Five-Year Cropland Use and Yield History within the Permit Boundary
Table 2.7.1-3 Stark County Average Crop Yields
Table 2.7.1-4 Soil Mapping Unit Productivity and Forage Suitability
Table 2.7.1-5 Tame Pastureland Production Estimates by Forage Suitability Group
Table 2.7.1-6 Use and Description of Structures within the Permit Boundary
Table 2.7.1-7 Conservation Reserve Program Enrollment and Status within the Permit Boundary
Table 2.7.1-8 Location and Use of Structures within One-Half Mile of the Permit Boundary
Table 2.7.1-9 Summary of Land Capability Classification within the Permit Boundary
Figures
Figure 2.7.1-1 Overview of Land Use Study Area
Figure 2.7.1-2A Pre-mine Land Use Map, Sheet 1
Figure 2.7.1-2B Pre-mine Land Use Map, Sheet 2
Figure 2.7.1-2C Pre-mine Land Use Map, Sheet 3
Figure 2.7.1-3A Pre-mine Land Capability Classification Map, Sheet 1
Figure 2.7.1-3B Pre-mine Land Capability Classification Map, Sheet 2
Figure 2.7.1-3C Pre-mine Land Capability Classification Map, Sheet 3
Appendices
Appendix 2.7.1-1 Summary of Pre-Mining Land Use Acreage and Soil Mapping Unit Information by Landowner within the Permit Boundary
Appendix 2.7.1-2 Pre-mine Land Management Information
2.7.2 Pre-mining Vegetation
2.7.2 Pre-mining Vegetation Narrative
Tables
Table 2.7.2-1 Vegetation Mapping Units Sampled
Table 2.7.2-2 Summary of Point-Intercept Cover Data for Ecological Sites, Woodland and Tame Pasture
Table 2.7.2-3 Similarity Index Summary by Ecological Site and by Landowner within the Permit Boundary
Table 2.7.2-4 Shrub and Tree Density (Stems per Acre) for Three Woodland Types Sampled - Vegetation Study Area
Table 2.7.2-5 Correlation of Vegetation Sampling Sites with Soils Mapping Units and NRCS Ecological Sites
Table 2.7.2-6 Vegetation Acreage by Landowner - Permit Area
Table 2.7.2-7 Vegetation Acreage by Ecological Site/Vegetation Type
Table 2.7.2-8 Shelterbelt Descriptions
Table 2.7.2-9 Shelterbelt Acreage by Landowner
Table 2.7.2-10 North Dakota Natural Heritage Inventory Plant Species of Concern and Significant Ecological Communities
Figures
Figure 2.7.2-1 Vegetation Study Area
Figure 2.7.2-2 Diagram of Plot Layout for Native Grassland and Tame Pastureland Sampling Sites
Figure 2.7.2-3 Diagram of Plot Layout for Woodland Sampling Sites
Figure 2.7.2-4 Shelterbelt Map Overview
Figure 2.7.2-5 Shelterbelt Map (SB-01)
Figure 2.7.2-6 Shelterbelt Map (SB-02)
Figure 2.7.2-7 Shelterbelt Map (SB-03)
Figure 2.7.2-8 Shelterbelt Map (SB-04)
Figure 2.7.2-9 Shelterbelt Map (SB-05)
Figure 2.7.2-10 Shelterbelt Map (SB-06)
Figure 2.7.2-11 Shelterbelt Map (SB-07)
Figure 2.7.2-12 Shelterbelt Map (SB-08)
Figure 2.7.2-13 Shelterbelt Map (SB-09)
Figure 2.7.2-14 Shelterbelt Map (SB-10)
Figure 2.7.2-15 Shelterbelt Map (SB-11)
Figure 2.7.2-16 Shelterbelt Map (SB-12)
Figure 2.7.2-17 Shelterbelt Map (SB-13)
Figure 2.7.2-18 Shelterbelt Map (SB-14)
Figure 2.7.2-19 Shelterbelt Map (SB-15)
Figure 2.7.2-20 Shelterbelt Map (SB-16)
Exhibits
Exhibit 2.7.2-1A Vegetation Map, Sheet 1
Exhibit 2.7.2-1B Vegetation Map, Sheet 2
Exhibit 2.7.2-1C Vegetation Map, Sheet 3
Appendices
Appendix A List of Vascular Plant Species Identified
Appendix B Percent Canopy Cover/Constancy by Plot for Ecological Sites, Woodland and Tame Pasture
Appendix C Annual Above-Ground Production (Grams/m^2) by Plot for Ecological Sites, Woodland and Tame Pasture
Appendix D Shrub and Tree Density (Stems/Acre) by Plot for Woodland Sample Sites
Appendix E Summary of Point-Intercept Cover by Sample Plot for Ecological Sites, Woodland and Tame Pasture
Appendix E Attachment Summary of Point-Intercept Cover by Pin Frame
Appendix F Shrub and Tree Canopy Cover by Sample Site for Woodland Sites
Appendix G Average Number of Species per Plot for Ecological Sites, Woodland and Tame Pasture
2.8 Alluvial Valley Floors
2.8 Alluvial Valley Floor Narrative
Appendices
Appendix 2.8-1 Alluvial Valley Floor Determination Letter
2.9 Fish and Wildlife Resources
2.9 Fish and Wildlife Resources Narrative
Tables
Table 2.9-1 Field Studies by Month
Table 2.9-2 Comparison of Baseline Vegetation Types (SCOW 2007) and Wildlife Habitat Types (WESTECH 1993)
Table 2.9-3 Characteristics of Landbird Belt Transects
Table 2.9-4 Acreages of Wildlife Habitats Identified in the South Heart Lignite Mine Fish and Wildlife Baseline Study Area
Table 2.9-5 Wildlife Species Recorded by Habitat
Table 2.9-6 Wildlife Species Recorded at Impoundments, 2006-2007
Table 2.9-7 Pronghorn Sightings by Habitat, 2006-2007
Table 2.9-8 White-Tailed Deer Sightings by Habitat, 2006-2007
Table 2.9-9 Ring-Necked Pheasant Sightings by Habitat, 2006-2007
Table 2.9-10 Ring-Necked Pheasant Crow Count Results, 2007
Table 2.9-11 Mourning Dove Coo Count Results, 2007
Table 2.9-12 Landbird Survey Results, June 2007
Figures
Figure 2.9-1 Overview of Fish and Wildlife Study Area
Figure 2.9-2 Roadside Survey Points and Landbird Transects
Figure 2.9-3 Wildlife Species Occurrence by Habitat, 2006-2007
Figure 2.9-4 Big Game Sightings, 2006-2007
Figure 2.9-5 Furbearers Sightings, 2006-2007
Figure 2.9-6 Game Bird Sightings, 2006-2007
Figure 2.9-7 Raptor Sightings, 2006-2007
Exhibits
Exhibit 2.9-1A Fish and Wildlife Habitat Map, Sheet 1 of 4
Exhibit 2.9-1B Fish and Wildlife Habitat Map, Sheet 2 of 4
Exhibit 2.9-1C Fish and Wildlife Habitat Map, Sheet 3 of 4
Exhibit 2.9-1D Fish and Wildlife Habitat Map, Sheet 4 of 4
Appendices
Appendix 2.9-1 Agency Correspondences
Appendix 2.9-2 Fish and Wildlife Potential Species Lists
Appendix 2.9-3 Representative Habitat Photographs
Appendix 2.9-4 Habitat Type 002 Impoundments Surveyed In the Study Area
2.10 Wetlands
2.10 Wetlands Narrative
Appendices
Appendix 2.10-1 Pre-mining Wetland Report
Appendix 2.10-1 Pre-mining Wetland Report Narrative
Tables
Table 2.0-1 Number of 2006 Vegetation Plots Meeting Hydrophytic Criteria (In text page 7)
Table 2.0-2 Number of Plots Evaluated in 2007 Meeting Wetland Criteria (In text page 8)
Table 2.0-3 Wetland Status for 80 Plots Sampled Wetland Study Area
Table 2.3-1 Wetland Acreage by Landowner and Wetland Mapping Unit - Permit Area
Table 2.4-1 Wetland Water Quality Data
Figures
Figure 2-1 Overview of Wetlands Study Area
Exhibits
Exhibit 1A Wetland Map, Sheet 1
Exhibit 1B Wetland Map, Sheet 2
Exhibit 1C Wetland Map, Sheet 3
Appendices
Appendix A List of Vascular Plant Species Identified
Appendix B Percent Hydrophytic Composition Determined Using Three Calculation Procedures for 2006 Vegetation Plots
Appendix C Percent Hydrophytic Composition Determined Using Three Calculation Procedures for 2007 Wetland Plots
Appendix D Field Forms
Appendix E Plot Photographs
3 Operation Plans
3 Operation Plans Narrative
Tables
Table 3.1-1 Annual Area Disturbed
Table 3.1-2 Estimated Lignite Production
Table 3.1-3 Equipment List
Table 3.1-4 Summaries of Lignite and Overburden Thicknesses
Table 3.1-5 Suitable Growth Material Balance by Landowner - Life of Mine
Table 3.3-1 Maximum Weight of Explosives to be Detonated Within Any 8 Millisecond Delay Period
Table 3.5-1 Culvert Design Summary
Table 3.6-1 Curve Number Estimates
Table 3.6-2 Precipitation Frequency Estimates
Table 3.6-3 Ditch Sizing
Table 3.6-4 Cover Practice Values
Figures
Figure 3.1-1 Pit Layout and Facilities Map
Figure 3.1-2 Life of Mine Overburden and Lignite Removal Schedule Map
Figure 3.1-3a Mine Support Facilities (Conceptual)
Figure 3.1-3b Owner's Offices (Conceptual)
Figure 3.1-4 Haul Truck Fueling Depot (Conceptual)
Figure 3.1-5a Utilities Re-Route Map - Water Lines
Figure 3.1-5b Utilities Re-Route Map - Communication Lines
Figure 3.1-5c Utilities Re-Route Map - Underground Gas and Electric Lines
Figure 3.1-5d Utilities Re-Route Map - Power Lines
Figure 3.2-1a Existing Structures Map - Power Lines
Figure 3.2-1b Existing Structures Map - Gas Pipe Lines and Water Lines
Figure 3.2-1c Existing Structures Map - Communication Utilities
Figure 3.3-1 Blasting Distances Map
Figure 3.3-2 Typical Blast Design Using Nonel Trunklines and Downline Delays
Figure 3.3-3 Typical Blast Design Using Detonating Cord
Figure 3.5-1 General Haul Roads and Coal Ramps Layout
Figure 3.5-2 Main Haul Road - Typical Cross-Sections
Figure 3.5-3 Access Roads - Typical Cross-Sections
Figure 3.5-4 Figure Removed, Number Kept as a Place Holder
Figure 3.5-5 Explosive Material Storage Area Access Road Profile
Figure 3.5-6 Pit Access Road - Profile
Figure 3.5-7 Main Haul Road - Segment 1 Profile
Figure 3.5-8 Main Haul Road - Segment 2 Profile
Figure 3.5-9 Main Haul Road - Segment 3 Profile
Figure 3.5-10 Main Haul Road - Segment 4 Profile
Figure 3.5-11a Site Access Route Map
Figure 3.5-11b Right of Way Closure and Road Relocation Map
Figure 3.5-12 Culvert and Bridge Locations
Figure 3.5-13 South Branch Heart River HEC-RAS Analysis and Cross-Sections
Figure 3.5-14 South Branch Heart River Haul Road Bridge Plan
Figure 3.6-1 Life of Mine Water Management Plan
Figure 3.6-2 Permit Term Water Management Plan Sheet 1 of 2
Figure 3.6-3 Permit Term Water Management Plan Sheet 2 of 2
Figure 3.6-4 Ditch CD-1A
Figure 3.6-5 Ditch CD-2A
Figure 3.6-6 Pond 1
Figure 3.6-7 Pond 2
Figure 3.6-8 Small Area Exemptions - Stockpile Containment Designs
Appendices
Appendix 3.3-1 Blast Record
Appendix 3.3-2 Notice of Blasting Schedule
Appendix 3.3-3 Pre-Blast Survey Request
Appendix 3.3-4 Surface Owners Within One Mile of the Permit Boundary
Appendix 3.3-5 Monitoring Equipment Specification Sheet
Appendix 3.5-1 Certification Letter - Primary Roads
Appendix 3.6-1 Certification Letter - Surface Water Management Operations Plans
Appendix 3.6-2 Surface Water Management SEDCAD Reports South Heart Lignite Mine
4 Post-Mining and Reclamation Plans
4 Post-Mining and Reclamation Plans Narrative
Tables
Table 4.1-1 Overburden Quality Sample Holes within Permit Boundary
Table 4.1-2 Overburden EC, SAR, and SAT Values by Landowner per Year
Table 4.1-3 Pre and Post Mining Wetland Acreage Comparison by Landowner and Water Regime
Table 4.1-4 Reclamation Schedule
Table 4.1-5 Legal Description of the Permit Area
Table 4.2-1 Pre- versus Post-mining Land Use Acreage by Landowner - Permit Area
Table 4.2-2 Pre- versus Post-mining Land Use Acreage - Permit Area
Table 4.3-1 Pre-Cropland Seed Mixture
Table 4.3-2 Basic Native Grassland Seed Mixture
Table 4.3-3 Species to be Added to the Basic Native Grass Mix by Ecological Site Description
Table 4.3-4 Temporary Area Seed Mix
Table 4.3-5 Stocking Rates for Woody Species
Figures
Figure 4.1-1 Rough Grading Sequence Map
Figure 4.1-2 SPGM Respread Sequence Map
Figure 4.1-3 Revegetation Sequence Map
Figure 4.1-4 Worst Case Pit Cross-section
Figure 4.1-5 Worst Case Bond Map
Figure 4.1-6 Pre-mining Topography
Figure 4.1-7a Post-mining Topography
Figure 4.1-7b Permanent Impoundments, Re-Established Channels and Wetland Restoration
Figure 4.1-7c General Specifications for Reclaimed Stock Watering Pond
Figure 4.1-8 Pre-mining Slope Map
Figure 4.1-9 Post-mining Slope Map
Figure 4.1-10a Soil Respread Thickness Map
Figure 4.1-10b Overburden Geochemistry Drill Hole and Correlation Sections Locations
Figure 4.1-10c Overburden Geochemistry Correlation Chart Section 1
Figure 4.1-10d Overburden Geochemistry Correlation Chart Section 2
Figure 4.1-10e Overburden Geochemistry Correlation Chart Section 3
Figure 4.1-10f Overburden Geochemistry Correlation Chart Section 4
Figure 4.1-10g Overburden Geochemistry Correlation Chart Section 5
Figure 4.1-10h Overburden Geochemistry Correlation Chart Section 6
Figure 4.1-10i Overburden Geochemistry Correlation Chart Section 7
Figure 4.1-10j Overburden Geochemistry Correlation Chart Section 8
Figure 4.1-10k Overburden Geochemistry Correlation Chart Section 9
Figure 4.1-10l Overburden Geochemistry Correlation Chart Section 10
Figure 4.1-10m Overburden Geochemistry Correlation Chart Section 11
Figure 4.1-10n Overburden Geochemistry Correlation Chart Section 12
Figure 4.1-10o Overburden Geochemistry Correlation Chart Section 13
Figure 4.2-1 Post-mining Land Use Map
Figure 4.2-2 Trails Typical Cross-section
Appendices
Appendix 4.1-1 Bond Calculations
Appendix 4.1-2 Post-Mining Wetlands Design
Appendix 4.2-1 Landowner's Post-mining Preference Statements
5 References
E-Permit Help/Readme File