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KENNEGOTT ENERGY CORPORATION <br />CQLOWYO MINE <br />OO~A -West Pit Watershed. SEDCAD Model Input <br />Structure 2, Subwatershed 2 {S2-SWSZ} <br />disturbance: <br />Topsoil !3< Seeded; 13.47 acres <br />1-2 Year Reclamation: 0 acres <br />3+ Year Reclamation; 48.94 acres <br />Undisturbed: 2.69 .acres <br />Total Subwatershed Area: 63.1 acres <br />Hydrology: <br />Time of Concentration: <br />Elevation length Description <br />13 294 Upland <br />288 1330 Grassed Waterway <br />100 2752 Diversion <br />Curve Number: 62 <br />Sediment: <br />Rainfall Factor. 19 <br />5oit Erodr`bitify Factor: 0.28 <br />Length-Stops Facoor: <br />Elevation Length Slope <br />250 1390 18A°1o <br />325 1244 26.1 % <br />Average <br />288 1317 22.1 °lo <br />Controt Factor; 0.18 <br />Practice Factor. '~•~ <br />Exh. 7-WP-11 Revision Date: 2/1/06 <br />Revision No.: TR-63 <br />