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� ENGINEERING <br />January 20, 2012 <br />Permit CO -80 -001 <br />Janet Binns <br />Colorado Division of Reclamation, Mining and Safety <br />1313 Sherman Street <br />Room 215 <br />Denver, Colorado 80203 -2273 <br />■ <br />•1�9 ar d5 <br />M <br />RE: Edna Mine; Fourth Quarter 2011 Impoundment Inspection Report <br />Dear Janet: <br />611 Skyline Road - Laramie, Wy 82070 - (307) 742 -0031 <br />FAX (307) 721 -2913 - E-mail. infolar @wwcengineering.com <br />This letter constitutes the Fourth Quarter 2011 Impoundment Inspection Report for the Edna <br />Mine; Permit No. CO -80 -001. This report covers the time period from October 1, 2011 to <br />December 31, 2011. The inspections were performed on December 7, 2011 by Field Inspector <br />Chris Miller. All structures were functioning as designed at inspection. <br />The Impoundment Location Map details the location of each impoundment inspected <br />(Attachment A). Quarterly Pond Inspection Reports document water level, sediment level, <br />outflow, and required maintenance cited per inspection (Attachment B). As described on the <br />2011 Maintenance List, there is currently no required maintenance at the Edna Mine (Attachment <br />C). <br />Should you have any questions regarding this material, please contact me at your convenience. <br />Troy Summers <br />Project Manager <br />TNS <br />Attachments (A, B & C) <br />File: 2011 -180 <br />cc: CMI (Tarazoff) <br />Permit (Weinman) <br />