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• <br />Seneca II Mine <br />PM -12 Channel System <br />HYDROLOGIC INPUT PARAMETERS <br />• <br />SII Mine TR -41 2.05.3- E2.H.169 Revised 03/07 <br />SEDCAD 4 <br />WATERSHED ID <br />Structure 8 <br />Channel PM -12 (Lower) <br />Watershed Area: <br />78.4 <br />Curve Number: <br />GROUND <br />HYDROLOGIC. <br />CURVE <br />AREA <br />WATERSHED TYPE <br />COVER <br />SOIL GROUP <br />NUMBER <br />(acres) <br />Reclaim >3 years <br />>70% <br />B <br />62 <br />32.06 <br />Sagebrush <br />Fair <br />D <br />70 <br />46.38 <br />Total <br />78.44 <br />CURVE NUMBER <br />67 <br />• <br />SII Mine TR -41 2.05.3- E2.H.169 Revised 03/07 <br />