Laserfiche WebLink
<br />0 <br />• <br />SENECA II MINE <br />Pond 008 <br />HYDROLOGIC INPUT PARAMETERS <br />SEDCAD 4 <br />WATERSHED ID <br />Structure 3 - SWS-1 <br />Watershed Channel PM-13A <br />Watershed Area: <br />16.9 <br />Sedimentology: k Factor and Control Factor <br /> VEGETATION HYDROLOGIC k CONTROL AREA <br />WATERSHED TYPE COVER SOIL GROUP FACTOR FACTOR (acres) <br />Reclaimed Good (>70%) B 0.16 0.043 16.9 <br />Total 16.9 <br /> 0.16 0.043 <br /> SEDCAD 4 <br /> WATERSHED ID <br /> Structure 3 - SWS-2 <br /> Watershed Channel PM-13 <br />Watershed Area: <br />91.9 <br />Sedimentology: k Factor and Control Factor <br /> VEGETATION HYDROLOGIC k CONTROL AREA <br />WATERSHED TYPE COVER SOIL GROUP FACTOR FACTOR (acres) <br />Sagebrush Fair D 0.37 0.042 0.2 <br />Reclaimed Good (>70%) B 0.16 0.043 91.7 <br />Total 91.9 <br /> 0.16 0.043 <br />The soil erodibility factor, "k-Factor", values were determined based on Seneca II soil survey information (see Tab 9, <br />Exhibit 9-1, Soil Types and Sample Locations, and Attachment 9-6) as presented in Soils of Colorado, Loss Factors and <br />Erodibility, Soil Conservation Service, 1983. <br />The Control Factor values were adapted from the Yoast and Seneca II-W permit application packages. These values are <br />presented in each permit in the Drainage and Sediment Control Plan attachment, which is located in Tab 13 of the <br />respective permit documents. The values are based on Renard, et al. (Renard, K.G., Foster, G.R., Weesies, G.A., <br />McCool, D.K., and D.C. Yoder, coordinators, 1996. Predicting Soil Erosion by Water: A Guide to Converation Planning <br />with the Revised Universal Soil Loss Equation (RUSLE). Agricultural Handbook 703. U.S. Department of Agriculture. <br />TR-51 <br />7-6f.3A-22 <br />Revised 09109