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Seneca II-W Mine <br />Pond 005 <br />HYDROLOGIC INPUT PARAMETERS <br /> SEDCAD4 <br /> WATERSHED ID <br /> 005 Gulc <br /> S5-SWS-3 <br />Watershed Area: <br />7.6 <br />Sedimentology: k Factor and Control Factor <br /> VEGETATION HYDROLOGIC k CONTROL AREA <br />WATERSHED TYPE COVER SOIL GROUP FACTOR FACTOR (acres) <br /> <br />Reclaimed Fair: 30 - 70% B 0.16 0.043 7.6 <br />Total 7.6 <br /> 0.16 0.043 <br />• <br />Curve number (CN) values used are approved Seneca II-W CN values (North Area; see Table 13-1). <br />Values were adapted from Urban Hydrology for Small Watersheds, Technical Release No. 55 (TR-55), <br />Soil Conservation Service, 1986. <br />The soil erodibility factor, "k-Factor", values were determined based on Seneca II-W soil survey information (see Table <br />13-2). The values were taken from Soils of Colorado, Loss Factors and Erodibility, Soil Conservation Service, 1983. <br />The Control Factor values were adapted from Attachment 13-56, Drainage and Sediment Control Plan. The values <br />were taken from Renard, et al. (1996) Predicting Soil Erosion by Water.• A Guide to Converation Planning with the <br />Revised Universal Soil Loss Equation (RUBLE) .Agricultural Handbook 703. U.S. Department of Agriculture. <br />• <br />Revised 08/07 <br />TR-?? 13-3C-A.26 <br />