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an <br />J. E. STOVER & ASSOCIATES, INC. <br />2352 NORTH 7T" STREEET, UNIT B <br />GRAND JUNCTION, COLORADO 81501 <br />PHONE: (970) 245 -4101, FAX: (970) 242 -7908 <br />MINE ENGINEERING CIVIL ENGINEERING <br />MINE RECLAMATION CONST. MANAGEMENT <br />May 19, 2014 <br />Brock Bowles <br />Division of Reclamation Mining and Safety <br />1313 Sherman St., Room 215 <br />Denver, CO 80203 <br />Re: Minrec Inc., North Thompson Creek Mines <br />TR -28 Pond 9 Spillway Design, Incidental Permit Boundary Revision <br />NOV CV- 2014 -001, Adequacy Response #1 <br />Permit No. C- 1981 -025 <br />Dear Mr. Bowles: <br />ftc <br />M�N����� 1 7P <br />DRMS' letter dated June 10 transmitted its adequacy comments for the referenced technical <br />revision. On behalf of Minrec, Inc., following are its responses to the DRMS' comments and <br />concerns. <br />Items one and two in the referenced letter state the discharge from underground workings must <br />meet effluent limitations before leaving the permit area. Minrec decided to expand the permit <br />area to encompass the refuse pond so discharge from underground workings does not leave the <br />permit area. Revised maps have been provided that show the amended permit boundary. <br />Minec will respond to the Division of Water resources letter at a later date. <br />The following revised pages and maps are enclosed. <br />Page 2 -1 <br />Maps D -3 -2, D -3 -19, D -3 -20, D -3 -21, D -4 -23 <br />Sincerely, <br />J. E. Stover, P.E. <br />Consulting Engineer <br />Enclosures <br />0 <br />