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KENNECOTT ENERGY CORPORATION <br />COLOWYO MINE <br />• 001A -Streeter Watershed SEDCAD Model Input <br /> Structure 4, Subwatershed 2 (S4-SWS2) <br /> Disturbance: <br /> Topsoil R Seeded: 0 acres <br /> 1-2 Year Reclamation: 0 acres <br /> 3+ Year Reclamation: 53.00 acres <br /> Undisturbed: 0 acres <br /> Total Subwatershed Area: 53.00 acres <br /> Hydrology: <br /> Time of Concentration: <br /> Elevation Length Description <br /> 40 500 Upland <br /> 230 3000 Grassed Waterway <br /> Curve Number.' 56 <br /> Sediment: <br />ll F <br />R <br />i <br />f <br />t <br />19 <br /> a <br />n <br />a <br />ac <br />or: <br /> Soil Erodibility Factor: 0.28 <br /> Length-Slope Factor: <br /> Elevation Length Slope <br /> 75 500 15.0°.ro <br /> 25 500 5.0°,ro <br /> 15 450 3.3% <br />Average <br />38 483 7.8°,ro <br />Control Factor.' 0.01 <br />Practice Factor: 0.36 <br /> <br />