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XBE-Wineveda-Splitro Silt Loam Complex. This map unit is located on the steep bedrock • <br />controlled sideslopes, swales, and ridges to the west of Bond Drainage. These soils are <br />shallow to moderately deep and lack significant subsoil/substratum profile development. <br />The reconmended topsoil salvage depth for both soils is based solely on the depth to <br />sandstone bedrock. The mean in situ suitable topsoil depth for 5 Splitro profiles is just <br />under 1.5 feet. The mean in situ suitable topsoil depth for 7 Wineveda profiles is 2.5 <br />feet. <br />The XBE map unit consists of 45 percent Wineveda, 30 percent Splitro, 10 percent Skyway, <br />and 5 percent each of Cou tis, Routt, and Skylick. A 1.5-foot mean salvage depth was used <br />for this map unit to calculate topsoil volumes listed in Table 9-7-1 and Exhibit 9-1. <br />This topsoil salvage depth figure accounts for topsoil loss during salvage due to brush <br />clearing and steep slopes. <br />12E-Buckskin Silty Clay Loam. Buckskin silty clay loam soils occur on the steep, mountain <br />sideslopes, benches, and small knobs adjacent to and east of Bond Drainage. The soil <br />profile is deep and well developed with a dark colored surface horizon and subsoil clay • <br />accumulation. This soil has a thinner surface horizon than Routt. <br />The recommended topsoil salvage depth is based exclusively on the thickness of the surface <br />mollic epipedon since subsurface clay levels are unsuitable. The mean in situ suitable <br />topsoil depth for 3 profiles is 1.0 feet. <br />The 12E map unit consists of 80 percent Buckskin with 10 percent Routt and 5 percent each <br />of Binco and Aabe rg inclusions. A 1.0-foot mean salvage depth was used for this map unit <br />to calculate topsoil volumes listed in Table 9-7-1 and Exhibit 9-1. <br />23B-Gapo Variant Silt Loam. The Gapo variant silt loam soil is located on the poorly <br />drained, gently sloping Bond Drainage channel directly north of existing Pond 008. The <br />soil profile has a dark colored surface horizon which overlies a clay subsoil and <br />substratum. <br />The reconmended topsoil salvage depth is based on the depth to ground water and the <br />thickness of the surface mollic epipedon since subsurface clay levels are unsuitable. The • <br />mean in situ suitable topsoil depth for 1 profile is slightly over 0.5 feet. <br />9-7-6 Revised 05/16/88 <br />