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There has not been any underground mining under the foot print of the coal mine <br />waste bank. <br />The topography of the proposed disposal site varies from a 10 percent grade in <br />D -Gulch to 1.5H:1 V or steeper along the natural slope of the hillside. The <br />surficial soils at the site are the Torriorthents- Haplargids complex, very stony. <br />Available topsoil ranges from 2.1 feet in the lower elevations to 1.4 in the higher <br />elevations of the disposal site. <br />TR -76 - 3 - 11/12 <br />