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a7r � (1 COLORADO <br /> .DIVISION OF MINERALS AND GEOLOGY 1111111111101 J <br /> Department of Natural Resources 999 <br /> 1313 Sherman St., Room 215 <br /> Denver,Colorado 80203 D I V I S I O N O F <br /> Phone:(303)866-3567 MINERALS FAX:(303)832-8106 & <br /> �G�EOLOGY <br /> August 20, 1999 .may L A M A T I O N <br /> �V MINING•SAFETY <br /> Mr. Bryce Romig '/J/� <br /> Climax Molybdenum Company Bill Owens <br /> Governor <br /> Climax Mine q_ it Greg E.Walcher <br /> Climax, CO 80249 Lr1`...CJ Executive Director <br /> Michael B.Long <br /> Quarry_Development and Inert Debris Disposal, Climax Mine,Permit No.M-77-493 D'vision Director <br /> Dear Mr. Romig: <br /> Based on the description provided your letter dated August 11, 1999, the Division of Minerals and Geology has <br /> determined that no further permitting is required (e.g., technical revision or amendment) for the proposed <br /> operation of the riprap quarry located at the northwest end of No. 1 Dam(area C9 from the 1989 permit <br /> amendment). Climax is therefore authorized to proceed with the proposed quarry operations. This decision is <br /> based on the terms and conditions of permit amendment AM-03 approved in 1997, which states that small <br /> ancillary disturbances within the area of affected land would not require additional permitting whereas significant <br /> new disturbances within the area of affected land may have to be incorporated into the mine plan through the <br /> appropriate revision process. As was done in this case, the best way to assure compliance with the terms of the <br /> permit relative to ancillary disturbances is to consult with the Division on a case by case basis. <br /> The Division has reviewed the Notice of the proposal to manage various structural fill materials through burial at <br /> several locations around the Climax Mine site. This Notice was also provided in your letter dated August 11, <br /> 1999. The structural fill materials proposed for burial include inert foundation concrete and parking lot asphalt to <br /> be buried in the Storke Yard. This component of the Notice is acceptable to the Division. The Notice also <br /> describes a proposal to dispose of concrete tailing pipe adjacent to the Robinson Tailing Pond and at the toe of 3- <br /> Dam. Since these locations will in effect result in co-disposal of tailing pipe with mill tailing, this component of <br /> the Notice is also acceptable. However, if concrete tailing pipe were to be disposed of in locations not proximal <br /> to the tailing ponds, the Division would require a discussion or demonstration of the pipe's inert nature relative to <br /> the presence of any tailing residue on the pipe. <br /> If you have any questions, please contact me. <br /> Sincerely, <br /> Allen C. Sorenson <br /> Reclamation Specialist <br /> c:\windows\personal\climax inert debris.doc <br />