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~ ~ III IIIIIIIIIIIII III STATE OF COLOI~UU DIVISION OF MINERALS AND GEOLOGY Deparlmern of Natural Resources ~~~~~ 1313 Sherman SL, Room 215 Denver, Colorado tl0203 Phone. 13031 866 3567 FAti~. 13031 83?-8106 August 25, 1997 DEPARTMENT OF NATURAL Mr. John Hardaway RESOURCES Cripple Creek & Victor Gold Mining Co. ca a ~oef P. O. Box 191 lames 5. Lxhhead V1Ctor, CO 8086 Eseculive Director Michael B. Lony Division Director RE: Hydrologic and Geochemical Studies and Modeling for Carlton Tunnel Discharge Permit No. M-80-244 Dear Mr. Hardaway: On May 23, 1997, Division personnel met with you, as CC&V representative, and your consultants, Adrian Brown and Shepherd-Miller. The purpose of the meeting was to lay out the framework for hydrologic and geochemical modeling studies that would resolve the issue of potential acid rock drainage in the Carlton Tunnel. During the meeting, the operator and consultants anticipated that the hydrological and geochemical modeling studies would be completed and delivered to the Division by August 1, 1997. To date, the Division has not received the studies. However, you have indicated to me informally that the studies would not be completed until October of 1997. At this time, the Division requests that Cripple Creek and Victor Gold Mining Company provide the studies and models by October 10, 1997. If CC&V cannot provide the requested information by the above date, CC&V will arrange a meeting with the consultants, Division and CC&V to explain the progress of the studies and modeling and to determine how to proceed. If you have additional questions or concerns, please contact me. Sincerely, / ~~~~v / Berhan Keffelew Environmental Protection Specialist cc: Michael B. Long Bruce Humphries Jim Stevens Harry Posey M:\ou\ge ~.\Swdiea.bk