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J <br />KENNECOTT ENERGY CORPORATION <br />COLOWYO MINE <br />Streeter Watershed SEDCAD Model Input <br />Structure 3, Subwatershed 2 <br />Disturbance: <br />Topsoil & Seeded: <br />1-2 Year Reclamation: <br />3+ Year Reclamation: <br />Undisturbed: <br />Total Subwatershed Area: <br />Hydrology: <br />rime of Concentration: <br />0 acres <br />0 acres <br />63.69 acres <br />0 acres <br />63.69 acres <br />Elevation Length Description <br />6 299 Upland <br />25 817 Grassed Waterway <br />125 892 Diversion <br />138 2446 Diversion <br />Curve Number., 56 <br />Sediment: <br />Rainfall Factor: 19 <br />Soil Erodibility Factor 0.28 <br />Length -Slope Factor - <br />Elevation Length Slope <br />75 490 15.3% <br />25 740 3.4% <br />50 400 12.5% <br />Average <br />50 543 10.40/6 <br />Control Factor: 0.01 <br />Practice Factor 0.38 <br />Exh. 7 -SP -13 <br />Revision Date: 2/1/06 <br />Revision No.: TR -63 <br />