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SEDCAD 4 for Windows <br />(:nrvrinhl loon _ , 3nn7 r)—i. I RrhunF <br />0 <br />Peabody Sage Creek Mine <br />Pond 002 <br />25 -year, 24 -hour Storm Event <br />Operational Conditions - Emergency Spillway Design <br />[Combination Spillway Structure per Rule 4, 05,9(2)(a)(i)J <br />• <br />]cw <br />Hydro - Environmental Solutions, Inc. <br />P.O. Box 772996 <br />57 10th Street, Suite B <br />Steamboat Springs, CO 80477 <br />\\ \\\\\WM III <br />Q R EG <br />W. . <br />26046�:�= <br />ANA L •,F- ���� \\\ <br />Filename: Pond 002_Operation_25yr24hr 1209.sc4 <br />2.05.3- E2.A -2.1 <br />Printed 12 -23 -2009 <br />12/09 <br />