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KENNECOTT ENERGY CORPORATION <br />COLOWYO MINE <br />• 002A -Work Area Watershed SEDCAD Model Input <br />Structure 3, Subwatershed 1 (S3-SWS1) <br />Disturbance: <br />Topsoil & Seeded: 7.66 acres <br />1-2 Year Reclamation: 0 acres <br />3+ Year Reclamation: 0 acres <br />Undisturbed: 1.57 acres <br />Total Subwatershed Area: 9.23 acres <br />Hydrology: <br />Time of Concentration: <br />Elevation Length Description <br />75 1300 Grassed Watervvay <br />Curve Number <br />Sediment: <br />Rainfall Factor: <br />Soil Erodibility Factor: <br />Length-Slope Factor: <br />Elevation Length <br />60 1150 <br />Average <br />60 1150 <br />Control Factor: <br />Practice Factor.' <br />79 <br />19 <br />0.28 <br />Slope <br />5.2% <br />5.2% <br />0.68 <br />0.47 <br />CJ <br />