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SWB -5 100YR Runoff.txt <br />Runoff curve Number and Runoff Mon Nov 26 15:24:28 2012 <br />Project: SWB -5 By: B Langenfeld Date: 11/26/12 <br />Location: Revenue Mine Checked: Date: <br />Developed <br />1. Runoff curve Number (CN) <br />Cover description CN Soil Group Area(Acre) <br />oak -Aspen & Mt brush (Poor) 74 c 0.132 <br />CN (weighted): 74.0 <br />Total Area: 0.132 Acre <br />2. Runoff <br />Return Period: 100 -Year <br />Rainfall, P: 3.20 in <br />Runoff, Q: 1.0375 in <br />Runoff volume: 0.0114 Acre -Ft <br />Page 1 <br />