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COLORADO <br />_/ Division of Reclamation, <br />® Mining and Safety <br />Department of Natural Resources <br />Tom Bird <br />Manager of Coal Services <br />GCC Energy, LLC <br />6473 County Road 120 <br />Hesperus, CO 81326 <br />tbirdkgcc. com <br />May 27, 2020 <br />Re: King I and II Mine, C1981-035, Technical Revision No. 29 <br />Preliminary Adequacy Response Review and Adequacy No. 2 <br />Dear Mr. Bird: <br />The Division has reviewed GCC's responses the Division's preliminary adequacy review, dated <br />April 8, 2020. GCC's responses were received by the Division on May 8, 2020. Addition revised <br />pages were submitted on May 13, 2010. The Division's original concerns are included in plain <br />font, with the Division's review of GCC's responses following in italics. Please find the Division's <br />remaining adequacy concerns: <br />1) In King I Mine Section 2.03.8, why did the affected area for TR -22 drill holes decrease? The <br />same question is applicable for this page in King II Section 2.03.8. <br />The Division finds GCC's explanation in the May 8, 2013 Adequacy response letter <br />acceptable. <br />2) In King I Mine Section 2.03.8, it appears that the change in disturbed area may be incorrect. <br />It was increased 2.15 acres, but the stated increase on page 3A in Section 2.05.3 is 2.51 acres. <br />On Page 6 in Section 2.05.3 (last paragraph), please check the value of 2.15 acres. In one or <br />the other places the numbers may have been transposed. Please clarify that the proposed <br />disturbed acreage remain consistent. <br />The Division finds GCC's response from the May 8, adequacy response letter <br />adequate; 2.15 acres is the correct proposed increased acres. No further response is <br />required for this item. <br />3) Regarding King 11 Mine Section 2.04.6 page 8, is the page number correct? Does GCC <br />Energy intend to delete the section Refuse Pile Chemistry in the existing PAP, which is <br />currently on page 8? <br />.OF 'Co <br />y ' <br />1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http://mining.state.co.us I <br />Jared S. Polis, Governor I Dan Gibbs, Executive Director I Virginia Brannon, Director *�* <br />