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• <br />• <br />SEDCAD 4 for Windows <br />r'.— inhf 1QQR -9R1n P—i. 1 Crhwah <br />Twentymile Coal( <br />Proposed <br />15 Left Submains,Bli <br />iC� "TFTiI <br />Culvert and Channel Design Check <br />10 Year, 24 Hour <br />Filename: 15 Left Submains Bleeder.sc4 <br />J K & TL <br />Peabody Energy - Twentymile Mine <br />29515 Routt County Road #27 <br />Oak Creek, CO 80467 <br />haft <br />Printed 07 -15 -2011 <br />1 <br />