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KENNECOTT ENERGY CORPORATION <br />COLOWYO MINE <br />• 002A -Work Area Watershed SEDCAD Model Input <br /> Structure 4, Subwatershed 1 (S4-SWS1) <br /> Disturbance: <br /> Topsoil 8 Seeded: 1.23 acres <br /> 1-2 Year Reclamation: 0 acres <br /> 3+ Year Reclamation: 0 acres <br /> Undisturbed: 0 acres <br /> Total Subwatershed Area: 7.23 acres <br />Hydrology: <br />Time of Concentration: <br />Elevation Length Description <br />10 250 Grassed Waterway <br />Curve Number <br />. Sediment: <br />Rainfall Factor: <br />Soil Erodibility Factor: <br />Length-Slope Factor: <br />Elevation Length <br />10 250 <br />Average <br />10 250 <br />Control Factor: <br />Practice Factor: <br />86 <br />19 <br />0.28 <br />Slope <br />4.0% <br />4.0% <br />0.80 <br />0.38 <br />~_~ <br />