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KENNECOTT ENERGY CORPORATION <br />COLOWYO MINE <br />003A - Gossard Pond Watershed SEDCAD Model Input <br />Structure 1, Subwatershed 1 (S1-SWS1) <br />Disturbance: <br />Topsoil & Seeded: 25.90 acres <br />1-2 Year Reclamation: 0 acres <br />3+ Year Reclamation: 0 acres <br />Undisturbed: 0 acres <br />Total Subwatershed Area: 25.90 acres <br />Hydrology: <br />Time of Concentration: <br />Elevation Length Description <br />40 1600 Channel w/Baseflow <br />Curve Number <br />Sediment: <br />i Rainfall Factor: <br />Soil Erodibility Factor <br />Length-Slope Factor: <br />Elevation Length <br />35 600 <br />75 525 <br />Average <br />55 562.5 <br />Control Factor.' <br />Practice Factor: <br />86 <br />19 <br />0.28 <br />Slope <br />5.8°10 <br />14.3% <br />10.1 <br />0.80 <br />0.38 <br />i• <br />