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TRAPPER MINING INC. <br />P.O. Box 187 Craig, Colorado 81626 <br />June 19, 2018 RECEIVED <br />Ms. Robin Reilley JUN 26 2018 <br />Environmental Protection Specialist <br />Colorado Division of Reclamation, Mining and Safety Division of Reclamation, <br />1313 Sherman Street, Room 215 Mining & Safety <br />Denver, CO 80203 <br />Re: Trapper MiWng Imo )?�rwft,No. C-1981410, Technical Revision TR -121 <br />Johnson/1 att Coal ►5tpc, pile. <br />Dear Ms. Reilley: <br />(970)824-4401 <br />Please find enclosed duplicate copies of Technical Revision TR -121. This revision is intended to <br />propose the construction of a coal stockpile in the Johnson Gulch area. The pile is intended to <br />contain approximately 300,000 tons of coal at full capacity. Included with this application are <br />updates to one page of permit text, and one revised map. Also attached is a more detailed <br />drawing of the proposed pile and the perimeter drainage ditches and associated dozer basins <br />designed to contain runoff from the site. If excess runoff is experienced it is routed to either the <br />Johnson or West Pyeatt sediment pond structures. Topsoil pile H93-2 has been partially removed <br />for reclamation activity several years ago. The remaining topsoil and new stripping of the site <br />will be either added to a nearby pile such as JG8 or staged at the ash pit for future use. <br />The following revised permit narrative page is enclosed: 3-184. The following revised map is <br />enclosed: M13A (sheet 2). <br />Page 3-184 is revised to include language about the proposed pile and its function and use. <br />Map M 13A — Facilities Map — will show the proposed new location of the coal stockpile. <br />Our current Performance Bond is based on the worst case reclamation year of 2014. The open <br />acres estimate for 2014 was 2,122.3. In 2018, Trapper is anticipating ending the year with 2,073.7 <br />open acres, which is 48.6 acres less than 2014. Projected total new disturbance of the new pile is <br />approximately 6.5 acres. This should leave adequate bond for the interim. <br />If you have any questions or comments, please contact me. <br />Sincerely, <br />.")& /CZ - <br />Graham Roberts <br />Environmental Engineer <br />c <br />Jennifer Maiolo, BLM w/ attachments <br />File 109.2.3.4 w/o attachments <br />Revisions File <br />