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_ Table 2 <br />• <br />Soil Types, Projected Disturbance Areas and <br />-- Projected Topsoil Volumes Within the Existing <br />Permit Area (C-005-80) Which Will be Affected <br />During Construction of Sediment Pond 008. <br />Seneca Mine, Routt County, Colorado <br />March 1987 <br />Projected Topsoil Topsoil <br />Soil Map Unit Disturbance Salvage Salvage <br />Designation Area Depthl Volume <br />Symbol Name, Slope (Acres) (Feet) (Ac-Ft) <br />X8D Winevada/Splitro, 10-20% 0.10 1.81 0.18 <br />35E Aaberg, 20-40% 1.802 0.76 1.37 <br />99 Cryoborolls, 10-60% 0.623 2.97 1.84 <br />AW Alluvium, 0-5% 0.10 0.004 0.00 <br />TOTAL 2.62 --- 3.39 <br />1The topsoil salvage depth figure accounts for 1) topsoil loss during salvage due to <br />brush clearing (3 inches) and/or 2) unsuitable topsoil inclusions such as sandstone <br />and shale outcrops and coarse fragment contents exceeding 35 to 40%. <br />2Includes 0.64 acres of additional disturbance area not previously included in the <br />August 1986 Topsoil Balance. <br />3lncludes 0.29 acres of additional disturbance area not previously included in the <br />August 1986 Topsoil Balance. <br />4Unsuitable due to high ground water levels and saturated soil conditions. <br /> <br />9-48 Revised 05/27/87 <br />