PERMFILE134375

• Permit No: C1980007
• IBM Index Class Name: Revision
• Doc Date: 12/2/2004
• Doc Name: Table of Contents
• Type & Sequence: PR10
• Media Type: D
• Archive: No

West Elk Mine
•
Temperature .................................................2.04-115
Precipitation ..................................... ............2.04-117
Somerset Precipitation Station ........ ............2.04-117
Wilcox Ranch Station ................... ...........2.04-117
Paonia Stations .......................... ............2.04-118
Horse Creek Precipitation Station .... ............2.04-119
Site Specific Conditions ....................... ...........2.04-119
Site Description ......................... ...........2.04-119
Wind ..................................... ........... 2.04-120
Wind Speed and Direction ............. ...........2.04-121
Temperature ............................. ............2.04-122
Relative Humidity and Precipitation. ...........2.04-122
Air Quality ............................... ...........2.04-122
204.9 Soils Resource Information ...........................................2.04-126
History of Soil Surveys at the West Elk Mine...........2.04-126
Mapping Units ..................................................2.04-128
Soil Sampling and Analysis ......................2.04-128
1976 Soil Survey ............................2.04-128
1980 Soil Survey ............................2.04-129
General Limitations for Use: Permit Area .................2.04-129
•
Salinity and Sodium
Concentrations ..............................2.04-129
Calcium and Magnesium Carbonate
Concentrations ..............................2.04-129
Texture ........................................2.04-13 0
Drainage .....................................2.04-133
Flood Hazard ................................2.04-133
Mass Movement ............................2.04-133
Soil Productivity .............................2.04-134
Quantitative Soil Analysis .................2.04-134
2.04.10 Vegetation Information .......................................................... 2.04-136
Introduction .....................................................2.04-13 6
•
Contents (Continued)
Plant Community Distribution in the
Environmental Study Area ..............................................
Vegetation Communities of the West Elk Mine Study Area
Oakbrush ..............................................................
Aspen ..........................................................
Douglas Fir .......................................................
Xeric Mountain Shrub ......................................
Sagebrush .........................................................
Juniper ..........................................................
Riparian ..........................................................
iv
...2.04-136
...2.04-137
...2.04-137
...2.04-139
...2.04-139
... 2.04-140
...2.04-141
...2.04-142
...2.04-142
Revised November 2004 PRIG