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• SENECA II West Coal Mine <br />Pond 16 System <br />HYDROLOGIC INPUT PARAMETERS <br />SEDCAD 4 <br />WATERSHED ID <br />Structure 2 -SWS3 <br />Watershed Id: <br />S2-SWS3 <br />Watershed Area: <br />Curve Number: <br />9.4 acres <br />WATERSHED TYPE COVER SOIL GROUP NUMBER (acres) <br />Sagebrush Good(>70%) D 55 3.6 . <br />As en/Mountain Brush Good(>70%) D 48 5.8 <br />Total 9.4 <br />CURVE NUMBER 51 <br />• Soil Erodability Factor (K): <br />SOIL TYPE AREA (acres) K FACTOR K'AREA <br />W inevada-Splitro <br />Complex <br />2.8 <br />0.37 <br />1.0 <br />Aeber Cla 2.6 0.28 0.7 <br />Roxat Variant 4.0 0.28 1.1 <br />9.4 <br />-- - - Wei hted K Factor 0.31 <br />Control Factor: <br />SOIL TYPE AREA (acres) C FACTOR C'AREA <br />Sagebrush 3.6 0.042 0.2 <br />Aspen/Mountain Brush 5.8 0.042 0.2 <br /> 9.4 <br />Weighted CP Factor <br />0.042 <br />Practice Factor: <br />SOIL TYPE AREA (acres) P FACTOR P'AREA <br />Undisturbed 9.4 1 9.4 <br />Weighted CP Factor 1.00 <br />