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<br />EDIT 27 <br />MOUNTAIN COAL COMPANY <br />West Elk Mine <br />F.XRCUITVE SUMMARY <br />Mapping Units <br />Twenty-three mapping units were originally identified in the West Elk Mine Study Area during ~ ~r <br />the original 1976 soil survey. Due to changes in mapping unit description and nomenclature in <br />the soil surveys from 1976 to 1994, soil map units, associations, complexes, and series may <br />. have different designations. In order to correlate the various map units and their names and <br />characteristics through the intervening years since the original 1976 soil survey, the following <br />Exhibit 22 table was created. This table identifies the original map units from 1976, the <br />disturbed area map units from 1980, and the current designations for map units and soil series <br />as they exist today. This Exhibit 22 table cross-references the various names from 1976, 1980, <br />and current designations agreed to by the Soil Conservation Service (now the Natural Resources <br />Conservation Service) and the U.S. Forest Service. SCS nomenclature has been historically <br />applied to private lands and public ]ands not administered by the U.S. Forest Service. T'he U.S. <br />Forest Service has been responsible for mapping and delineating soils on public lands they <br />administer. <br /> <br />