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TCD - Thronbursh-Casmer Cobbly Loams, 8-60 % sloes have approximately 28 inches of salvageable <br />soil. Slope, depth to bedrock, and excessive cobbles throughout the profile may limit the salvageability of <br />this soil. <br />These shallow to deep soils have formed in residuum, colluvium, and alluvium derived from sandstone. <br />They occur on narrow rolling ridges, mountain sideslopes, and other upland areas at elevations ranging <br />from 7500 to 8400. They are well drained soils with moderate [o high permeability. Available water <br />holding capacity is low to moderate, runoff is medium to rapid and the erosion hazard is slight to very <br />high. The vegetation type is sagebrush-grassland. <br />In a typical profile, the topsoil is Cobbly loam to sandy loam 2 to 12 inches thick The subsoil and <br />substratum consist of sandy loam, gravelly sandy clay loam,cobbly to very Cobbly or channery loam 12 to <br />48 inches thick. Depth to bedrock is from less than 20 to more than 60 inches. <br />TRD - Torriorthents-Rock Outcrop complex, 15-90 % slopes has approximately 12 inches of salvageable <br />soil in non-rock outcrop areas. Slope, shallow depth to bedrock, and excessive charmers in all horizons <br />may limit salvage of this soil in many areas. <br />V WD - Vandemore Variant-Waybe complex. 5-55 % sloes has approximately 0 inches of salvageable <br />soil. Excessive clay, slope, shallow depth to bedrock, and excessive cobbles or charmers in all horizons <br />mayl limit salvage of this soil in many areas. <br />This complex consists of Vandamore Variant Flaggy Sandy Loam and Waybe Cobbly Clay Loam. These <br />are shallow to moderately deep soils which have formed in residuum derived from sandstone, shale, and <br />clayey, calcareous shale. They are found ridge crests, mountain sideslopes, and breaks in mountain <br />sideslopes at elevations ranging from 7400 to 8400. They are well drained with slow to moderate <br />permeability. Available water holding capacity is low to moderate, runoff is medium to rapid, and the <br />erosion hazard is moderate to high. <br />In a typical profile, the topsoil consists of Cobbly clay loam, clay, or silty clay loam about 7 inches thick. <br />The subsoil is channery to Cobbly clay loam to clay about 8 inches thick. Depth to bedrock is less than 20 <br />inches. <br />WRD -Waybe Variant-Redthayne Complex, 8-55 % slopes has approximately 18 inches of salvageable <br />soil. <br />This complex consists of Waybe Variant channery Clay Loam and Redthayne channery loam. These are <br />shallow to very deep soils which have formed on knobs and mountain sideslopes at elevations ranging <br />from 7400 to 8000. They are well drained with slow to moderate permeability. Available water holding <br />capacity is low to moderate, runoff is medium to rapid, the erosion hazard is high to very high. <br />In a typical profile, the topsoil consists of gravelly to very channery loam, clay loam, or sandy clay loam <br />3 to 11 inches thick. The substratum is a gravelly, very gravelly, or very channery loam, clay loam, or <br />sandy clay 15 to 50 inches thick or more. Depth to bedrock ranges from 3 to more than 60 inches. <br /> <br />Revision Date: 11/30/06 <br />Revision Number: PR-02 <br />