1987-12-01_PERMIT FILE - c1981017 ‎(171)‎

• Permit No: c1981017
• IBM Index Class Name: PERMIT FILE
• Doc Date: 12/1/1987
• Doc Name: Site Description and Land Use Information
• Section_Exhibit Name: Chapter III Section A
• Media Type: D
• Archive: No

TABLE III-A-2
SOIL ASSOCIATIONS IN COAL BASIN
Soil
Asso- Extent of Capability Extent of Frost
ciation Coal Basin Classification Components Association Potential
(48) 7% VIII* Rock outcrop 65%
Cryumbrepts 20% High
Cryaquepts 15% High
(98) 31% VII & VIII* Cryoboralfs 60% High
Cryoborolls 20% High
(50) 55% VII & VIII* Cryborolls 55% High
Cryoboralfs 30% High
Minor Soils 15% Moderate
(168) 7% VI* Haploborolls 40% Moderate
Argiborolls 35% High
Eutroboralfs 20% High
*Source : U . S . Soil Conservation Service
Mount Sopris District
Terrain in the Coal Basin is steep , varying
from 15% to more than 40% . An estimated 59 . 5% of Coal Basin
exceeds a 25% slope. Gently sloping ground is limited to
high glaciated bowls in the southern part of the basin, and
a few landslide or slumpage areas found , particularly , in
the Spring and Porcupine Creek areas . Elevation ranges from
8 , 000' at the preparation plant , to 11 , 852 ' on Huntsman
Ridge.
Climate is harsh and unfavorable to crop
production. An average of 70% of the yearly precipitation
in Coal Basin falls in the form of snow. Snowfall begins in
October and continues through May , substantially decreasing
the growing season. Frost potential is rated "high" for
77 . 85% of the land in Coal Basin. Summers , moreover , are
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