2015-12-21_REVISION - C1982056 (2)

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COLORADO Division of Reclamation, Mining( and Safety Department of Natural Resources 1313 Sherman Street, Room 215 Denver, CO 80203 December 22, 2015 Jerry Nettleton Twentymile Coal, LLC. 29515 Routt County Road 27 Oak Creek, CO 80467 RE: Foidel Creek Mine; C-1982-056; 13LT Outby Utility Borehole Minor Revision No. 291 (MR291) Adequacy Review No. 1 Dear Mr. Nettleton, The Colorado Division of Reclamation, Mining and Safety (Division) has reviewed the above referenced revision. The material submitted with the original application and the completeness review response material was reviewed. Also in order to expedite the review of this revision the Division sent you several adequacy review items via e-mail on December 21, 2015. You responded to these items on December 22 with several revised pages. These pages were reviewed. Several additional adequacy review items have been identified that will need to be addressed prior to the Division's approval of the application. 1. Proposed Map 29; Reclamation Map submitted with the application is labeled Sheet 4. The permit currently contains two maps in the Map 29 series, sheets 1 and 2. The proposed Map 29 does not encompass both the current sheets 1 and 2 of Map 29. Please either revise the proposed map to include all of the area depicted on sheets 1 and 2 of Map 29 or submit two maps to replace sheets 1 and 2 that have been revised to account for the 13LT Outby Utility Borehole. 2. Twentymile Coal, LLC. has revised the soil salvaging plan to salvage 1.5 feet of topsoil from the affected area. From the 3.4 acres of new affected area, this should yield approximately 8,230 cubic yards of soil material. Proposed revised Table 49a indicated 8,200 cubic yards of topsoil will be salvaged and stockpiled at the 13LT Utility Borehole. Please revise this value to read 8,230 cubic yards. Also on Table 49a, the total amount of soil reported to be salvaged for the Western Mining District appears to be incorrect likely due to a typo. Please revise the total amount of topsoil to be salvaged and stockpiled for the Western Mining District. The Division is required to issue a propose decision by January 1, 2016. If you need additional time to address the Division's concerns please request an extension of the decision date. If you have any questions feel free to contact me at (303) 866-3567, extension 8120. ti OF Cp10�\ 1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http://mining.state.co.us John W. Hickentooper, Governor I Mike King, Executive Director I Virginia Brannon, Director