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iii iiiiiiiiiiiu iii <br />STATE OF COLORADO <br />DIVISION OE MINERALS AND GEOLOGY <br />Dcparlmeul o! Natural Resources <br />1 31 1 Sherman SI , Knom ? I S I`q~~ <br />Denver, Colorado flll!Qi II <br />I'honc: (1071 flLb-.156i <br />FAa: IJOJI fl3'!-d l(10 <br />DEPARTMENT OF <br />NATURAL <br />RESOURCES <br />October 31, 1995 Roq Bomer <br />Governor <br />Mr. Jim stover la",ess `Debt"'„I <br />Enecuare Dueam <br />MINREC, InC. hLr bast d. Long <br />2768 Compass Dr. X101 D~. ~,~nn Dirnc w~ <br />Grand Junction, CO 81506 <br />Re: Technical Revision No. 18 <br />North Thompson Creek Mine (C-81-025) <br />Dear Mr. Stover: <br />The Division has reviewed your letter, dated October 26, 1995 with <br />regard to the above referenced technical revision and has the <br />following comments: <br />1) The updated version of Map D-2-5 which was submitted <br />addresses the concerns voiced by the Division in the most <br />recent adequacy review, dated October 4, 1995. <br />2) The second comment on the Division's October 4, 1995 <br />adequacy letter was not addressed. The comment is <br />reiterated below: <br />"As noted on the previous inspection report, the <br />emergency spillway for P-9 is dribbling water. The <br />spillway should be designed and constructed so that no <br />discharge occurs from the emergency spillway until a lo- <br />year 24-hour event occurs. <br />Please address this comment. <br />If you have any questions, please call me at (303) 866-3567. <br />Sincerely, <br />-, <br />r~ i,~„~li L~l.~s~ <br />~~ l ~z.~ <br />Barbara L. Pavlik <br />Environmental Protection Specialist <br />cc: Larry Routten <br />