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SWS2 <br />• 20 MILE COAL CO YOAST MINE • POND D <br />HYDROLOGIC INPUT PARAMETERS <br />WATERSHED ID: SEDCAD4 <br />WATERSHED ID <br />Pond D -SWS3 fracture 1 -SWS3 <br />Watershed Area: <br />513.0 acres <br />Curve Number: <br />WATERSHED <br />TYPE VEGETATION <br />COVER HYDROLOGIC <br />SOIL GROUP CURVE <br />NUMBER AREA <br />(acres) <br />Reclaimed Good (>70%) C 74 513.0 <br />Total 513.0 <br />WEIGHTED CURVE NUMBER: 74 <br />Soil Erodlbllity Factor (K): <br /> <br />SOIL ERODIBILITY FACTOR <br />SOIL <br />TYPE AREA <br />(acres) K <br />FACTOR K'AREA <br />Average Soil 513 0.25 128.25 <br />Weighted K Factor: 0.25 <br />Control Factor: <br /> <br />CONTROL FACTOR <br />CONTROL PRACTICE <br />C1~NDITION AREA <br />jacres) C <br />FACTOR C'AREA <br />Reclaimed 535.8 0.01 5.358 <br />Total 535.8 5.358 <br />Weighted C Factor : 0.010 <br />D-32 <br />