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<br />,] <br />• <br />KENNECOTT ENERGY CORPORATiO1V <br />COlOWYO MIHiE <br />Streeter Watershed SEDGAD Model Input. <br />Structure 3, Subwatershed 1 <br />Disturbance. <br />Topsoil ~ Seeded: <br />1-2 Year Reclamation: <br />3~ Year Reclamation: <br />Undisturbed:. <br />Total Subwatershed Area: <br />Hydrology: <br />Time of Concer:tratio»: <br />6.23 acres <br />fl acres <br />22.72 acres <br />61.00 acres <br />89.95 acres <br />Elevation Length Description <br />25 132 Upland <br />38 271 Grassed Channel <br />75 2454 Diversion <br />Curve Number: 52 <br />Sediment: <br />Rainfall Factor.' ~~ <br />Soli ltrodibility Factor: 0.28 <br />t.ength-Slope Factor: <br />Elevation Length Slope <br />125 670 18.7% <br />150 1 OOfl 15.0°k <br />75 760 9.9°I° <br />Average <br />117 810 14.5°~ <br />Control Facfar: 0.11 <br />Practice Factor: 0.T 3 <br />Exh. 7-SP-12 <br />Revision Date: 2/1/06 <br />Revision No.: TR-63 <br />