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,, <br />~ COLORADO MINED LAND RECLAMATION <br />Peak Flow Calculatation <br />Mine Name: NEW ELK MINE <br />Date: 2-16-1987 <br />Calculations Performed bv: R.P. <br />Watershed I.D.: IEJ <br />Land Cover: PINE OAK EST1tv1ATED COVER 35'r., <br />7 Soil Hydrology Classification: D <br />CN number: 80 <br />Fainfail fora 10 Year ~4 Hour Precipitation Event: 2.9 inches <br />7 Watershed Si.ope:_.35. °,:... ..- _. . <br />Hydrolic Length of Watershed: 2000 feet <br />Watershed Area: 35 acres <br />East or West Colorado (For Type II Storm): EAST <br />Quantity of Runoff: 1.17551 inches <br />Equivalent Drainage Area: 43.13589 acres <br />Equivalent FeaK Giscnarge: 5~ cfsiinch <br /> <br />Slope Adjustment Factor: 1.14 <br />The Actual Discharge for This Yatershed: 57.62839 cfs <br /> <br />