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1 <br />III IIIIIIIIIIIIIIII <br />sss <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman SI., Room 215 <br />Denver, CO 80203 <br />Phone: 13071 866-3567 <br />FAX: (303) 83?-8106 <br />December 28, 1992 <br />James A. Kiger <br />Senior Environmental Specialist <br />Colowyo Coal Company <br />5731 State Highway 13 <br />Meeker, CO 81641 <br />RE: Colowyo Mine, Permit C-81-019 <br />MR-22: Approval <br />Dear Mr. Kiger: <br />pF'~O(D <br />~~.. b <br />~e %" o <br />G. <br />•~ ~aum®v <br />~ rB T6 <br />Ray Romcr <br />Governor <br />M ichae B. Loop, <br />Din stun Durum <br />The Division of Minerals and Geology proposes to approve the minor <br />revision (MR-22) received by the Division on November 4, 1992. This <br />revision concerned changes to the language in the permit pertaining <br />to: <br />1. the reporting of explosives blasting; including an update <br />of Figure 2, Blasting Record to include blasting pattern <br />symbols and a sketch drawn for each blast. <br />2. the reporting requirements for the Section 16 and West Pit <br />excess spoil fills. <br />3. the due date for submittal to the Division of revised <br />Prospect Pond hydrologic modeling. <br />Blasting reports will now contain sufficient information for the <br />Division to make an independent determination of compliance with the <br />regulations. The concerns raised by the Division on December 10, 1992 <br />the detailed sketches being added to the blasting reports has been <br />addressed by Colowyo. Any further refinements necessary will take <br />place as a result of conversations in the field between the Division <br />and Colowyo concerning individual blasting reports. <br />Colowyo will now send copies of required certified reports to the <br />Division. Guidelines for these reports were forwarded to Colowyo on <br />December 24, 1992. <br />