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._:. iii iiiiiiiiiiiiiiii 999 STATE, OF COLORADO Roy Romer, Governor DEPARTMENT OF NATURAL RESOURCES MINED LAND RECLAMATION DIVISION FRED R. BANTA, Director January 28, 1988 Mr. Dennis W. Byrnes Office of Surface Mining Albuquerque Field Office 625 Silver Avenue, SW Suite 310 Albuquerque, New Mexico 87102 Re: AFO Concerns North Thompson Creek Mine Bond Release, C-81-025 Dear Mr, Byrnes: This letter is written in response to the concerns raised in your inspection report of January 8, 1988. Concern No. 1 - The operator's request fora technical revision to reduce the overa on on the mine site and loadout is technical revision No. 7 not No. 6. This technical revision is completely separate than the previously approved technical revision for revised reclamation contours at the mine site. TR-7 (Bond Reduction Request) proposes to reduce the total reclamation costs for the mine site to $527,500.00 and the total cost for the loadout reclamation to $231,800.00. You are correct that these two estimates total $759,300.00 which is different than that proposed in the original bond reduction request, The operator finalized his bond reduction request previous to totalling the final figures for the overall bond reduction TR and therefore the discrepancy occurred, However, Technical Revision No. 7 is being processed concurrently with the bond reduction request. The 60% bond reduction will not be approved until final figures for the overall reclamation costs are agreed upon and approved by the Division. The 60% reduction will then be 60~ of the approved overall bond amount. Concern No, 2A - Technical Revision Mo, 6 was requested by Snowmass Coal to revise t e nal reclamation contours at the mine site. This is an earlier and different technical revision than TR-7 for bond reduction as referenced above. Technical Revision No. 6 was previously approved by the Division and publication was made of our approval in the Glenwood Post on September 11, 1987. The approval documents will be forwarded to the Albuquerque Field Office. Concern No, 26 - As previously stated Technical Revision No. 6 for revised contou- rs and reclamation for the mine have been previously approved. The actual area of prime farmland exists at the north end of the road where it turns east to head toward the truck dump. The area by the ranch was all pre-existing road and has actually been built on upland areas which are not within the prime farmland area. The Division is further reviewing the issue of prime farmland and will submit comment at a latter date, 423 Centennial Building, 1313 Sherman S[reet Denver, Colorado 80203-2273 Tel. (303) 866-3567