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COLORADO <br />Division of Reclamation, <br />j&7 Mining and Safety <br />Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />July 11, 2018 <br />Graham Roberts <br />Trapper Mining Inc. <br />PO Box 187 <br />Craig, CO 81626 <br />Re: Trapper Mine (Permit No. C-1981-010) <br />Technical Revision No. 121 (TR -121) <br />Adequacy Review <br />Dear Mr. Roberts: <br />The Colorado Division of Reclamation, Mining and Safety (Division) received your application for TR - <br />121 for the Trapper Mine on June 26, 2018. The application was deemed complete on July 5, 2018. TR - <br />121 is proposing to add a new Johnson/Pyeatt Coal Stockpile. <br />The Division finished its review of the TR -121 application and has the following questions and <br />comments: <br />1. Please update Map M06 (sheet 2 of 3) Bond Worst Case Year 2014 to show the adjusted <br />disturbance boundary for the new coal stockpile. <br />2. Map M13A (sheet 2 of 3) Facilities was submitted with the application. The stockpile location is <br />identified on the map and labeled as `proposed'. Please remove the word `proposed' from the <br />map. This will eliminate confusion after the revision has been approved <br />3. The text on the submitted page 3-184 states that perimeter ditches and dozer basins will be <br />utilized to contain the drainage. Please include a reference to the typical design you will utilize to <br />construct the perimeter ditch and dozer basin. <br />If you have any questions or need additional information, please contact me at (303) 866-3567 ext. 8142. <br />Sincerely, <br />AW�4--L <br />Brock Bowles <br />Environmental Protection Specialist <br />brock.bowles@state.co.us <br />flF'C-0 <br />H <br />1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http://mining.state.co.us I <br />John W. Hickenlooper, Governor I Robert W. Randall, Executive Director I Virginia Brannon, Director * r 1876 4 <br />