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III IIIIIIIIIIIIIIII <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Depanmem of Nalu ral Resources <br />I JI1 Sherman SL, Room ?15 <br />Dern~er, Colorado 80?03 <br />Phnne p031855-3557 <br />FAS: IJOJ) 837-810fi <br />June 29, 1999 <br />John C. Weinman <br />Montgomery Watson <br />P.O. Box 774018 <br />Steamboat Springs, CO 80477 <br />Re: Hayden Gulch Mine (Permit No. C-80-003) <br />Cessation of water monitoring program <br />Dear Mr. Weinman: <br />DIVISION OF <br />MINERALS <br />GEOLOGY <br />RECLAMATION <br />MINING•SAFETY <br />Bil I Owens <br />Governor <br />Greg E. walchcr <br />Execwrve Dheaor <br />Michael B Long <br />Divi.ion Direan~ <br />During the Division's regular monthly inspection of May 1999 at the Hayden Gulch Mine you <br />requested that water monitoring at Hayden Gulch Mine be discontinued. Your request was made in <br />anticipation of the Division's recent proposed decision to approve Bond Release Application No. 3 <br />(SL-3) for the Hayden Gulch Mine. <br />The Division believes that water monitoring at Hayden Gulch Mine is no longer necessary as indicated <br />by the impacts to surface water and ground water that are listed on pages 13 and 14 of the Division's <br />findings document prepared for SL-3, dated May 25, 1999. Also, on page 15 of that findings <br />document, the Division found that the permittee, H-G Coal Company had successfully completed all <br />surface coal mining reclamation operations in accordance with the approved reclamation plan. Those <br />operations included the mine's water monitoring plan. Based on the completion of the water <br />monitoring program, and the lack of a technical basis for further monitoring, the Division approves <br />cessation of further water monitoring at the site. I discussed this approval with David Berry, Coal <br />Program Supervisor, on June 23, 1999 and he expressed his support. <br />Cessation of water monitoring will be consistent with the intentions of the remaining mining and <br />reclamation permit. When the proposed bond release becomes final, the Hayden Gulch Mine mining <br />and reclamation permit area will be reduced to 6.8 acres comprised of three shrub enclosures and a <br />slump area. The purpose of maintaining bond liability on this 6.8-acre remnant of the original 1276- <br />acre permit area is to ensure successful revegetation and for demonstrating ground stability. <br />If you have questions or are in need of additional information, please contact me. <br />Sincerely, <br />Tom Kaldenbach <br />Environmental Protection Specialist <br />cc: David Berry. CDMG <br />