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KENNECOTT ENERGY CORPORATION <br />COLOWYO MINE <br /> <br />r <br />~~ <br />004A - Gulch A Watershed SEDCAD Model Input <br />Structure 1, Subwatershed 2 (S1-SWS2) <br />Disturbance: <br />Topsoil & Seeded: 0 acres <br />1-2 Year Reclamation: 0 acres <br />3+ Year Reclamation: 33.84 acres <br />Undisturbed: 0.12 acres <br />Total Subwatershed Area: 33.96 acres <br />Hydrology: <br />Time of Concentration: <br />Elevation Length Description <br />110 1750 Upland <br />200 1190 Channel w/Baseflow <br />Curve Number <br />Sediment: <br />Rainfall Factor: <br />Soil Erodibility Factor: <br />Length-Slope Factor: <br />Elevation Length <br />105 550 <br />105 575 <br />Average <br />105 562.5 <br />Control Factor: <br />Practice Factor: <br />56 <br />19 <br />0.28 <br />Slope <br />19.1% <br />18.3% <br />18.7% <br />0.01 <br />0.38 <br /> <br />