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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 />Mr. Jerry Nettleton <br />Seneca II West Mine <br />Seneca Property LLC <br />29515 Routt County road No. 27 <br />Oak Creek, CO 80467 <br />January 5, 2017 <br />Re: Seneca Coal Company, Seneca II West Mine, Permit Renewal No. 6 <br />Preliminary Adequacy Review Seneca Property, LLC responses <br />Dear Mr. Nettleton: <br />On December 13, 2016, the Division received Seneca Property, LLC's (SP) response to <br />the Division's March 11, 2016 adequacy letter for permit renewal (RN6) for the Seneca II <br />West Mine. The Division has reviewed SP's responses, and this letter documents <br />resolution of the Division's concerns identified in the March 11, 2016 letter. The <br />Division's initial concerns are repeated in this letter, in italics, followed by the operator's <br />response, or the need for additional inforniation. <br />Rule 4.07: SP provided well abandonment reports to the Division on May 29, <br />2015.for seven groundwater wells. <br />Please update Table 15-2 ivith the current status of all wells. <br />Several wells in Table 15-2 report than monitoring has stopped. Have these <br />wells been abandoned in accordance ivith Rule 4.07.1(1), and applicable <br />abandonment reports filed with the Division? WelLs in question include: ff U, <br />WW3, GR' S2W--30i , YT HALT -2, WThTAL8, WWAL9, WW15, WWC17, WTC200. <br />SP updated Table 15-2. This response is acceptable. <br />Rule 4.05. 9(13) and Stipulation No. 39: SP has previousIv been approved to <br />allow ponds to remain as permanent featcn•es. Tab 20 Attachment 20-2 in the <br />PAP shows that ponds 005, 009, 015, have been approved by the Division as <br />permanent ponds, and have been approved btu the Colorado State Engineer's <br />Office (SEO). Stock ponds T-2, T-3, T-5, T-18, T-20, T-24, T-26, and T-2 7 have <br />been approved as permanent features bj• the Division, and have received approval <br />by the SEO. <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. Hickentooper, Governor I Mike King, Executive Director I Virginia Brannon, Director <br />