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SWB -6A 100YR Runoff.txt <br />Runoff Curve Number and Runoff Mon Nov 26 19:08:51 2012 <br />Project: SWB -6A <br />Location: Revenue Mine <br />Developed <br />1. Runoff Curve Number (CN) <br />Cover description CN Soil Group Area(Acre) <br />Mined Land, Disturbed (Poor) 87 C 1.456 <br />CN (weighted): <br />Total Area: <br />87.0 <br />1.456 Acre <br />2. Runoff <br />Return Period: 100 -Year <br />Rainfall, P: 3.20 <br />Runoff, Q: 1.9149 <br />Runoff volume: 0.2323 <br />Page 1 <br />By: B Langenfeld Date: 11/26/12 <br />Checked: Date: <br />in <br />in <br />Acre -Ft <br />