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i• <br />Runoff Curve Number and Runoff <br />Project: Pond 11 By: R L Gubka Date: Nov 2005 <br />Location: New Horizon Mine Checked: Date: Nov 2005 <br />Present <br />1. Runoff curve number (Cn) <br />Cover description CN Soil Type Area <br />grass land 74 C 126.840 Acres <br />CN (weighted): 74 <br />• <br />2. Runoff <br />Frequency ..............: 10 yr <br />Rainfall, P (24-hour) ..:2.00 in <br />Runoff, Q ..............:0.3498 in <br />Runoff Volume ..........:3.6977 Acre-Ft <br />------------------------------------------------------------------- <br />------------------------------------------------------------------- <br />Runoff Curve Number and Runoff <br />Project: Pond 11 By: R L Gubka Date: Nov 2005 <br />Location: New Horizon Mine Checked: Date: Nov 2005 <br />Present <br />1. Runoff curve number (Cn) <br />Cover description CN Soil Type Area <br />Grass land 74 C 126.840 Acres <br />CN (weighted): 74 <br /> <br />REVISED MARCH 2006 <br />Attachment 2.05.3(3)-14-4 <br />