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KENNECOTT ENERGY CORPORATION <br />CO~OWYO MINE <br />r~ <br />LJ <br /> 047A -Prospect Watershed SEDGAQ Model Input <br /> Structure 4, Subwatershed 1 (S4-SWS1j <br /> Disturbance: <br /> Topsail & Seeded: 0.00 acres <br /> 1-2 Year Reclamation: i 16.79 acres <br /> 3+ Year Reclamation: 4.34 acres <br /> Undisturbed: 15.80 acres <br /> Total Subwatershed Area: 136.93 acres <br /> Hydrology: <br /> Time of Concentration: <br /> Elevation Length Oescrlptan <br /> 25 857.2 Upland <br /> 112.5 1360.72 Diversion <br /> 175 1401.5 Diversion <br /> 350 1684.31 Diversion <br /> Curve Number: 59 <br /> Sediment: <br /> <br />• Rainfall Factor: 19 <br /> Soil Erodibi/ity Factor: 0.26 <br /> length-5/ope Factor: <br /> Elevation Length Slope <br /> 275 1100 25.0°10 <br /> 225 2000 11.3°l0 <br /> 250 1300 19.2°fo <br /> <br /> <br />Average I <br />f <br /> 250 1467 16.5°10 <br /> Carrtrol Factor. 0.07 ~ <br /> Practice !=actor: 0,44 <br /> <br /> Exh. 7-PP-14 Revision Date: 2/1/06 <br /> Revision No.: TR-63 <br />