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STATE OF COLORADO <br />DIYISlON OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />7313 Sherman St., Roam 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 832-8106 <br />December 6, 2004 <br />Assistant State Supervisor <br />Fish and Wildlife Enhancement <br />U.S. Fish and Wildlife Service <br />764 Horizon Drive, South Annex A <br />Grand Junction, CO 81506-3904 <br />Re: New Horizon Mine (Permit No. C-1981-008) <br />Technical Revision Application No. 52 (TR-52) <br />New Pond 012 <br />Dear Sir or Madam: <br />COLORADO <br />DIVISION O F <br />MIN SRALS <br />GEOLOGY <br />0.ECLAMATION•MINING <br />SAIETY•SCIENCE <br />Bill Owens <br />Governor <br />Russell George <br />Executive Direcor <br />Ronald W. Canany <br />Division Director <br />Natural Resource Trustee <br />I previously sent you the attached letter and then received a call from Rick Krueger in <br />your office saying consultation would be necessary to assess the potential for the <br />proposed pond to deplete flows in the Colorado River basin. <br />The original design of the pond included a permanent 0.9 acre-foot pool of water in the <br />pond. The mine operator is modifying the pond design so that it does not have a <br />permanent pool of water. The modified design will require the release any pond inflow <br />within 72 hours of the inflow. Based on this design, no depletion to the Colorado River <br />basin is expected. <br />Please let me know at your eazliest opportunity if furOTer consultation is necessary, as the <br />mine operator is waiting for a decision on their Technical Revision application. <br />Sincerely, <br />,~,. r~,~ <br />Tom Kaldenbach <br />Environmental Protection Specialist <br />cc (w/o enclosure): Ross Gubka, Western Fuels-Colorado, LLC <br />.--^ <br />Office of Office of Colorado <br />Mined Land Reclamation Active and Inattive Mines Geological Survey <br />