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P.O. Box 187 <br />February 18, 2016 <br />TRAPPER MINING INC. <br />Craig, Colorado 81626 <br />Ms. Tabetha Lynch <br />Environmental Protection Specialist <br />Colorado Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Dear Ms. Lynch: <br />(970) 824-4401 <br />Please find enclosed duplicate copies of Technical Revision TR -115. This revision includes <br />multiple updates of several pages of permit text and maps necessary after the approval of PR -07. <br />The post mining topography is also being updated for the K Strike Pit area. Trapper proposes an <br />additional 49.7 acres of disturbance with this Technical Revision. Also enclosed is a partial <br />response to your letter of June 30, 2015 to Trapper's 2015 Midterm Review. We have used your <br />original letter as the base format, with our responses following each of your comments. <br />Discussion and justifications of some of the permit pages and maps are included below, the <br />midterm response comments begin following these discussions. <br />The following revised permit narrative pages are enclosed: ii -8, ii -12, 1-25c, 1-26, 1-32, 2-456, 2- <br />457, 2-588, 2-590, 3-2, 3-3, 3-5, 3-13, 3-15c, 3-27a, 3-28a, 3-47 3-182, 3-183, 4-3, 4-3a, 4-161, <br />4-242, 4-244, 4-245 and 4-247a. Replacement Appendix H material, (3 pages), Appendix T, <br />(Horse Gulch Fill diversion ditch design materials) and Appendix V materials, (GLEV wells.) <br />The following revised maps are enclosed: M9 (sheet 3), lOB (sheet 3), M12 (sheets 2, and 3), <br />M13A (sheet 3), M13C, M25A, M47A (sheet 2), and M52. The following pages were deleted: 3- <br />273, c and d. Pre -blast surveys are included for residences within one half mile of the new permit <br />boundary. <br />The following pages were updated for the reasons cited: Page ii -8 updated, page ii -12 was <br />corrected to fix a formatting error from PR -07. Pages 1-25c and 1-26 updated with new <br />ownership information. Page 3-2 includes new permit acreage, pages 3-3 and 3-5 updated with <br />revised entrance signs. Pages 3-15c and 3-47 and figure 3.5-2 updated to reflect changes to <br />mining methods and aspects of overburdern removal used at Trapper. <br />Page 3-27a has been updated to request the discontinuation of East Panel Landslide monitoring. <br />Nearly all of the overburden included in the landslide has been removed and displaced by either <br />the truck loader fleet or the draglines. All material sitting above the active pits at this time is <br />backfilled spoils. Originally multiple landslide monitoring stations were installed in the slide area <br />