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STATE OF COLORADO <br /> <br /> <br />DIVISION OF RECLAMATION, MINING AND SAFETY <br />Department of Natural Resources <br /> <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 832-8106 <br /> <br /> <br />July 18, 2013 John W. Hickenlooper <br /> <br />Governor <br /> <br /> <br /> <br />Mike King <br /> <br />Executive Director <br /> Jerry Nettleton <br /> <br /> <br />Twentymile Coal Company Loretta E. Pineda <br /> <br />Director <br />29515 Routt County Road #27 <br /> <br />Oak Creek, CO 84067 <br /> <br /> <br /> <br /> <br />RE: Twentymile Coal Company, Permit C-82-056 <br /> Second Quarter 2013 Coal Waste Pile Inspection Report Review <br /> <br />Dear Mr. Nettleton: <br /> <br />The Colorado Division of Reclamation, Mining, and Safety (CDRMS) have found the above referenced <br />report to be in compliance with CDRMS Regulations: 4.09.1(11) and 4.10.2(2). <br /> <br />The above referenced report was prepared by North West Colorado Consultants (NWCC) for <br />Twentymile Coal Company. NWCC visited the site on June 10 and june 28, 2013. Based on the report, <br />NWCC did not observe any signs of instability, structural weakness or hazardous conditions at the pile. <br />These observations reflect observations with on-site inspections conducted by the Division of the Waste <br />Pile. The report states that the wash plants produced approximately 280,135 tons of waste coal. On <br />th <br />June 10 a total of five compaction tests were conducted at the Expansion Area. All tests met the <br />minimum compaction requirement of 90% of the maximum standard Procter density. <br /> <br />As of the date of the report, no new stripping of topsoil and cover materials was conducted and no new <br />haul road construction had taken place. <br /> <br />If you have any questions feel free to contact me. (303) 866-3567 ext 8134 <br /> <br />Sincerely, <br /> <br />Jason Musick <br />Environmental Protection Specialist <br /> <br />Office of Office of <br /> <br />Mined Land Reclamation Denver • Grand Junction • Durango Active and Inactive Mines <br />