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v6IVISION OF RECLAMATION, MINING AND SAFETY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866 -3567 <br />FAX: (303) 832 -8106 <br />J une 23, 2011 <br />Ir. Darwin Derr <br />Broken Arrow Investments, LLC <br />699 N. First Avenue <br />Greeley, CO 80631 <br />Re: Derr Pit, Permit No. M -2008 -017, Technical Revision Approval, Revision No. TR -2 <br />Dear Mr. Derr: <br />On June 23, 2011 the Division of Reclamation, Mining and Safety approved the Technical Revision application <br />submitted to the Division on June 14, 2011, addressing the following: <br />Revision of Mining Plan to allow for dry mining by dewatering and wet mining without dewatering prior to the <br />installation of the slurry wall. <br />The terms of the Technical Revision No. 2 approved by the Division are hereby incorporated into Permit No. M -2008- <br />017. All other conditions and requirements of Permit No. M- 2008 -017 remain in full force and effect. <br />If you have any questions, please contact me at (303)866 -3567 x8116. <br />Sincerely, <br />M ichael A. Cunningh <br />Environmental Protection Specialist <br />CC: 4ony Waldron, DRMS <br />J.C. York, J &T Consulting, Inc. <br />Mined Land Reclamation <br />STATE OF COLORADO <br />COLORADO <br />D I V I S I O N O F <br />RECLAMATION <br />MINING <br />— &— <br />SAFETY <br />John W. Hickenlooper <br />Governor <br />Mike King <br />Executive Director <br />Loretta E. Pineda <br />Director <br />Office of Office of <br />Denver • Grand Junction • Durango Active and Inactive Mines <br />