PERMFILE136604

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 4/8/2005
• Section_Exhibit Name: Master Table of Contents
• Media Type: D
• Archive: Yes

West Elk
Contents (Continued)
Coal Seams and Related Strata ............................... ................ 2.04-25
B-Seam ................................................................... ................ 2.04-25
E-Seam ................................................................ ................2.04 30
F-Seam ................................................................. ...............2.04-33
Structural Geology ................................................................... ...............2.04-35
Geologic Surface Features ....................................................... ...............2.04-36
Prominent Fracture Zones ....................................... ............... 2.04-36
Weathering and Burn ............................................... ............... 2.04-37
Effects of Slopes ...................................................... ............... 2.04-38
Steep Topography .................................................... ...............2.04-38
Geologic Hazards and Slope Stability ..................................... ............... 2.04-39
Landslides ................................................................ ............... 2.04-39
Deep Landslides ...................................................... ............... 2.04-40
Shallow Colluvial Slides ......................................... ............... 2.04-43
Debris Avalanches ................................................... ............... 2.04-43
Debris Flows ............................................................ ............... 2.04-44
Potentially Unstable Slopes ..................................... ...............2.04-44
Rockfall ................................................................... ............... 2.04-44
Seismic Effects ........................................................ ...............2.04-45
Ground Subsidence .................................................. ............... 2.04-45
• Other Geologic Factors that May Affect Mining Conditions ..
Groundwater ............................................................ ............... 2.04-45
............... 2.04-45
Sandstone Channel Deposits ................................... ............... 2.04-47
Rolls ......................................................................... ............... 2.04-47
Rock Spazs ............................................................... ............... 2.04-47
Seam Discontinuities ............................................... ............... 2.04-48
Soft Shales ............................................................... ............... 2.04-48
Methane ................................................................... ............... 2.04-48
2.04.7 Hydrology Description ............................................................. ............... 2.04-55
2.04.7(1) Groundwater Information ......................................... ...............2.04-51
Regional Groundwater Conditions .......................... ............... 2.04-52
Site Hydrogeology ................................................... ............... 2.04-56
Baseline Monitoring Program ................................. ............... 2.04-57
2.04.7 (2) Surface Water Information ...................................... ............... 2.04-76
Surface Water Resources ......................................... ............... 2.04-76
Baseline Monitoring Program ................................. ............... 2.04-80
Spring Monitoring ................................................... ...............2.04-88
Surface Water Quantity ........................................... ............... 2,04-93
Streams ................................................................. ...............2.04-93
Surface Water Quality ............................................. .............2.04-106
2.04.7(3) Alternative Water Supply Information ..................... ............. 2.04-114
2.04.10 Vegetation Information ............................................................ .............2.04-136
~ Introduction .............................................................................. ............. 2.04-136
111 Revised November 2004 PR/l