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Watershed ID: <br />S2-SWS2 <br />SEDCAD 4 <br />WATERSHED ID <br />Structure 2 -SWS2 <br />Watershed Area: <br />Curve Number: <br />SENECA II West Coal Mine <br />Pond 016 System <br />HYDROLOGIC INPUT PARAMETERS <br />Et9.5 acres <br />WATERSHED TYPE COVER SOIL GROUP NUMBER (acres) <br />Pits and Partially <br />Reclaimed <br />Bare/Rou h <br />C <br />86 <br />89.5 <br />Total 89.5 <br />CURVE NUMBER 86 <br />Soil Erodability Factor (K): <br />SOIL TYPE AREA (acres) K FACTOR K*AREA <br />Disturbed 89.5 0.16 14.3 <br />89.5 <br />Wei hted K Factor 0.16 <br />Control Factor: <br />SOIL TYPE AREA (acres) C FACTOR C'AREA <br />Disturbed 89.5 1 89.5 <br />Wei hted C Factor 1.00 <br />Practice Factor: <br />SOIL TYPE AREA (acres) P FACTOR P"'AREA <br />Disturbed Topsoil <br />Stripped <br />89.5 <br />0.9 <br />80.6 <br />Wei hted P Factor 0.90 <br />C_J <br /> <br /> <br />TR-56 13-SF-A.18 Revised 09/06 <br />