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<br /> <br />1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http://mining.state.co.us <br />John W. Hickenlooper, Governor | Robert Randall, Executive Director | Virginia Brannon, Director <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />RE: Annual Hydrology Report Reviews <br /> Elk Ridge Mining and Reclamation, New Horizon Mine <br />Permit C-1981-008 <br /> <br /> <br />The Division has conducted its review of the following Annual Hydrology Report for the New Horizon <br />Mine; 2011, 2013, 2014, 2015, 2016, and 2017 water years. A check list for the Annual Hydrology reports <br />summarizing our review is attached. <br /> <br />DRMS requested additional written interpretation and trend analysis in accordance with Rule <br />4.05.13(4)(c)(iii) be provided with AHRs. Elk Ridge Mining began providing this with the 2017 AHR. <br />This is a primary reasons the previous years AHR are being combined into a single review as it the most <br />efficient and encompassing review of the mines water quality condition to present. <br /> <br /> Please provide water elevation summary graphs and discussion to future AHRs <br /> <br />If you have any questions feel free to contact me at (303) 866-3567, extension 8147. <br /> <br /> <br />Sincerely, <br /> <br /> <br /> <br />Tabetha Lynch <br />Environmental Protection Specialist <br /> <br />Enclosure: 1.) Review Checklist for 2011 and 2012- 2017 Annual Hydrology Reports <br /> <br />March 26, 2018 <br /> <br />Tri-State Generation and Transmission Association, Inc. <br />P.O. Box 33695 <br />Denver CO 80233-0695 <br />