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YOAST MINE <br />POND 12 <br /> HYDROLOGIC INPUT PARAMETERS <br />• SEDCAD 4 <br /> WATERSHED ID <br /> Structure 1 - 8W52 <br />Watershed Area: <br />11.8 acres <br />• <br /> <br />Curve Number: <br />WATERSHED <br />TYPE VEGETATION <br />COVER HYDROLOGIC <br />SOIL GROUP CURVE <br />NUMBER AREA <br />(acres) <br />Aspen/Mountain Brush Good (>70`Y) C 41 11.8 <br />Total 1 1.8 <br />CURVE NUMBER: 41 <br />Soil Erodibility Factor (IQ: <br />SOIL ERODIBILITY FACTOR <br />SOIL <br />TYPE AREA <br />(acres) K <br />FACTOR K'AREA <br />Wlnevada <br />Coutis <br />Winevatla-SplRro 3.7 <br />2.4 <br />5.7 0.43 <br />0.20 <br />0.37 1.591 <br />0.48 <br />2.109 <br />Total 11.8 <br />Weighted K Factor 0.35 <br />Control Foctor: <br />CONTROL FACTOR <br />CONTROL PRACTICE <br />CONDITION AIZEA <br />(acres) C <br />FACTOR C'AREA <br />Aspen/Mountain Brush <br />Total 11.8 <br />II B 0 042 0.5 <br />Weighted C Factor: 0.042 <br />