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SENECA II West Coal Mine <br />Pond 16 System <br />HYDROLOGIC INPUT PARAMETERS <br />WATERSHED ID: <br />S2-SWS3 <br />Watershed Area: SEDCAD4 <br />WATERSHED ID <br />10.0 acres <br />S2 SW3 <br />Curve Number: <br />WATERSHED <br />TYPE VEGETATION <br />COVER HYDROLOGIC <br />SOIL GROUP CURVE <br />NUMBER AREA <br />(acres) <br />Mesh Drainage Poor (<30%) D 87 2.3 <br />Sagebnuh Good (>70%) C 47 2.T <br />Sagebrush Gootl (>70%) D 55 3.6 <br />Aspen/Mountain Shrub Good <>70%) B 30 2.0 <br />CURVE NUMBER: 54 <br />Soil Erodibility Factor (IQ: <br />SOIL ERODIBIl1TY FACTOR <br />SOIL AREA K K'AREA <br />TYPE (acres) FACTOR <br />Courts Siff Loam 7.9 0.20 0.38 <br />RoWt Clay Loam 6.9 0.28 1.93 <br />Roxall VarianT 1.2 0.28 0.34 <br />Welghfetl K Factor. 0.26 <br />Control Practice Focfor. <br />CONTROL PRACTICE FACTOR <br />CONTROL PRACTICE AREA CP CP•AREA <br />CONDITION (acres) (ACTOR <br />Mesic Drainage 2.3 0.150 0.345 <br />Sagebrush 5.7 0.042 0.239 <br />AspenlMOUntaln Shrub 2.0 0.042 0.084 <br />Wetghfed CP Factor : 0.067 <br />