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KENNECOTT ENERGY CpRPORATION <br /> GOLt~WYO N11NE <br />• <br /> OO7A - Prospect Watershed SEDCAD Model Input <br /> Structure 2, Subwatershed 1 (52-SWS1} <br /> disturbance: <br /> Topsoil & Seeded: 6.86 acres <br /> 1-2 Year Reclamation: 0 acres <br /> 3+ Year Reclamation: 55.11 acres <br /> Undisturbed: 113.38 acres <br /> Tatai Subwatershed Area: 975.35 acres <br /> Hydroiagy: <br /> Time of Conceniratan; <br /> Elevation Length Description <br /> 25 261.68 Upland <br /> 162.5 1532:48 Grassed Watenray <br /> 225 1031.27 Grassed Waterway <br /> 175 892.81 Grassed Waterway <br /> 137.5 3824.76 Diversion <br /> 87.5 418.56 Diversion <br /> Curve Number; 51 <br />• Sediment: <br /> Rainfall Factar• 19 <br />', Sail Erodibili#y Factar. 0,28 <br /> Length-Slope Facfar: <br /> Elevation Length Slope <br />~ 100 '1000 10.0 <br /> 375 2200 17.0°fa <br />~ 55 400 13.8°l0 <br /> 200 800 25.0°fo <br />'~ Average <br />~ <br />r 182.5 1100.0 16.4% <br /> Control Factar; 0.08 <br /> Practice Factar: 0.72 <br />............................... . <br />Exh. 7-PP-11 Revision Date: 2/1/06 <br />Revision No.: TR-63 <br />