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KENNECOTT ENERGY CURF'ORATION <br />C©LOWY© MINE <br /> <br />• <br />• <br />Streeter Watershed SEOCAD Model Input <br />Structure 9, Subwatershed 1 <br />Disturbance: <br />Topsail & Seeded: 0 acres <br />1-2 Year Reelamation; 216.31 acres <br />3+ Year Reclamation; $6.44 acres <br />Undisturbed; 0 acres <br />Total Subwatershed Area: 302.75 acres <br />tiydrotagy: <br />Time of Concentration.: <br />Elevation Length <br />13 670 <br />175 1669 <br />275 1121 <br />225 4215 <br />Curve !Number. <br />Sediment: <br />Rainfall Factor.- <br />Soil Erodibilify Factor: <br />Length-Slope l=actor. <br />Elevation <br />300 <br />150 <br />150 <br />275 <br />275 <br />Average <br />230 <br />Control Factor: <br />Practice Factor. <br />Length <br />1200 <br />800 <br />130t) <br />2600 <br />1500 <br />9480 <br />Description <br />Upland <br />Grassed Channel <br />Grassed Channel <br />Diversion <br />60 <br />19 <br />0.2$ <br />Slope <br />25.0°k <br />18.8°k <br />11.5% <br />10.6°~ <br />18.3°l0 <br />16.8°l0 <br />0,05 <br />0.38 <br />Exh. 7-SP-9 <br />Revision Date: 2/1/06 <br />Revision No.: TR-63 <br />