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KENNECOTT ENERGY CORPORATION <br />COLOWYO MINE <br />. 008A -West Pit Watershed SEDCAD Model Input <br /> Structure 3, Subwatershed 1 (S2-SWS1) <br /> Disturbance: <br /> Topsoil R Seeded: 0 acres <br /> 1-2 Year Reclamation: 0 acres <br /> 3+ Year Reclamation: 58.37 acres <br /> Undisturbed: 3.88 acres <br /> Total Subwatershed Area: 62.25 acres <br /> Hydrology: <br /> Time of Concentration: <br /> Elevation Length Description <br /> 260 1400 Grassed Waterway <br /> 60 2000 Diversion <br />• <br />Curve Number: 55 <br />Sediment: <br />Rainfall Factor: 19 <br />Soil Erodibility Factor.' 0.28 <br />Length-Slope Factor.' <br />Elevation Length Slope <br />250 1600 15.6% <br />300 1075 27.9°/a <br />Average <br />275 1337.5 21.8% <br />Control Factor.' 0.01 <br />Practice Factor: O.A1 <br />i• <br />