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KENNECOTT ENERGY CORPORATION <br />COLOWYO MINE <br />001A -Streeter Watershed SEDCAD Model Input <br />Structure 6, Subwatershed 2 (S6-SWS2) <br />Disturbance: <br />Topsoil & Seeded: 0 acres <br />1-2 Year Reclamation: 0 acres <br />3+ Year Reclamation: 170.26 acres <br />Undisturbed: 0 acres <br />Total Subwatershed Area: 170.:!6 acres <br /> Hydrology: <br /> Time of Concentration: <br /> Elevation Length Description <br /> 50 600 Upland <br /> 175 2700 Grassed Waterway <br /> 300 1200 Grassed Waterway <br /> 5 1000 Channel wlBaseflow <br /> Curve Number 58 <br /> Sediment: <br />inf <br />ll F <br />r <br />R <br />t <br />119 <br /> a <br />a <br />ac <br />o <br /> Soil Erodibility Factor: O.i!8 <br /> Length-Slope Factor: <br /> Elevation Length Slope <br /> 50 1000 5.0"/0 <br /> 225 1000 22.5"'/0 <br />Average <br />138 1000 13.8"'/0 <br />Control Factor: 0.(11 <br />Practice Factor: O.:t8 <br /> <br />