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COLORADO <br />Division of Reclamation, <br />Mining and Safety <br />Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />March 16, 2016 <br />Mr. Chris Gilbreath <br />Tri-State Generation and Transmission Association, Inc. <br />P.O. Box 33695 <br />Denver, CO 80233-0695 <br />RE: New Horizon North Mine, Permit No. C-2010-089 <br />2014 Annual Reclamation Report Review <br />Dear Mr. Gilbreath: <br />The Division of Reclamation Mining and Safety (Division) has reviewed the 2014 Annual Reclamation Report <br />(ARR) for the New Horizon North Mine. The ARR requirements are found in Rule 2.04.13 of the Regulations <br />of the Colorado Mined Land Reclamation Board for Coal Mining. The Division has the following comments <br />and questions about the 2014 ARR: <br />1. On page 1, A -Rule Requirements, it states that Rule 2.04.13(1)(a -f) states, by February 15, or such date <br />agreed on, each permitted shall file an annual reclamation report. The NHN permit states that WFC <br />will file an annual reclamation report by March 15 of each year. Please amend this statement in future <br />reports to include the March 15 deadline as outlined in the permit. <br />2. In the permit on Table 2.05.4(2)(d)-1, neutralization potential ratio (NPR) is a bench 1 suitability <br />parameter. NPR was not reported in the soil sample results in Appendix 1. Please submit NPR for the <br />two sample points taken. Also, please change the color of the heading row in this table as it is difficult <br />to read. <br />If you have any questions, please contact me at (303) 866-3567 ext 8142. <br />Sincerely, <br />��a4__L <br />Brock Bowles <br />Environmental Protection Specialist <br />brock.bowles@state.co.us <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 I Mike King, Executive Director I Virginia Brannon, Director <br />