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MINE ENGINEERING <br />MINE RECLAMATION <br />December 28, 2011 <br />Zach Trujillo <br />Division of Reclamation, Mining and Safety <br />1313 Sherman St., Room 215 <br />Denver, CO 80203 <br />Re: New Elk Mine Permit C- 1981 -012 <br />Minor Revision No. 99 Adequacy Response <br />Geotechnical Work for RDA #1 Expansion <br />J. E. Stover, P.E. <br />Consulting Engineer <br />cc: Ron Thompson, NECC <br />Mike Trujillo, CDOW <br />Attachments: (3) <br />J. E. STOVER & ASSOCIATES INC. <br />2352 NORTH 7 STREET, UNIT B <br />GRAND JUNCTION, COLORADO 81501 <br />PHONE: (970) 245 -4101, FAX 242 -7908 <br />Division o+ K�c,arr�at o <br />ninq and fe+1 <br />s <br />JAtt 03201k. <br />.'1, <br />ty <br />NECC - Page 2.4 -8 was revised to match the wording approved by TR -56. TR -56 changed the <br />referenced language. <br />2. DRMS - On the proposed page 2.04 -8, section 2.04.5(1) -(3), General Description of Geology and <br />Hydrology, includes sections (1) - (3). Please send a revised page 2.04 -9 removing 2.04.5(3). <br />NECC - The correction was made to page 2.04 -9. <br />3. DRMS - Please submit and updated Exhibit 28 with corrected page numbers. <br />NECC - An updated Exhibit 28 is enclosed. <br />Sincerely, <br />MR -99 Adequacy letter dated December 28, 2011 <br />MR -99 Pages 2.04 -8 & 9 revised December 28, 2011 <br />MR -99 Exhibit 28 Reclamation Estimate dated December 28, 2011 <br />0, ; seci`lrn tion, <br />oviL6si <br />CONST. MANAGEMENT <br />Ri E <br />1. DRMS - There appears to be a typo on the proposed page 2.04 -8. Under 2.04.5(1) -(3), Exhibit 6 is <br />referred to as Hydrology and Geology Information. Exhibit 6 is documented with the Division as <br />Productivity Information, while Exhibit 8 is Hydrology and Geology Information. If this is indeed a <br />typo, please send a revised proposed page 2.04 -8 referring to Hydrology and Geology Information as <br />Exhibit 8. <br />d <br />Dear Mr. Trujillo: :JIv <br />a n c <br />The DRMS' letter dated December 20, 2011 transmitted its adequacy review for the referenced minor <br />revision. On behalf of New Elk Coal Company, (NECC) following are its responses to the DRMS' <br />comments and concerns: <br />