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l~ <br />• ~ III III III III IIII III <br />STATE OF COLORADO <br />Roy Romer, Governor <br />C~St~~ c'~~~ <br />DEPARTMENT OF NATURAL RESOURCES <br />MINED LAND RECLAMATION DIVISION <br />FRED R. BANTA. Dlrsetor <br />March 2, 1988 <br />Mr. Murari Shrestha, Senior Engineer <br />Western Fuels-Utah, Inc. <br />405 Urban Street, Suite 305 <br />Lakewood, Colorado 80228 <br />Re: Subsidence Monitoring, Deserado Mine Permit No. C-81-018 <br />Dear Mr. Shrestha: <br />Enclosed is an in-house memo from Jim Pendleton of our staff regarding the <br />Interim Subsidence Monitoring Report submitted to our office in November, <br />1987. As discussed on page 2 of the memo, the Division would notify Western <br />Fuels regarding possible amendments to approved mine plan if any "major <br />problems" were encountered in the subsided area(s) based on visual inspections <br />of the affected area(s) by Mined Land Reclamation Division during the fall of <br />1987 and spring of 1988. The division has made visual inspections of the <br />subsided areas during the 4th quarter 1987 and 1st quarter 1?88 complete <br />inspections and no "major problems" have been observed. Therefore, it does <br />not appear at the present time that any amendments to the Longwall mining plan <br />are warranted. Mining can progress to the second Longwall panel in accordance <br />with the approved schedule. <br />The memo also indicates that a subsidence monitoring survey will be conducted <br />above room and pillar panel RP-5. However, it appears that development of the <br />panel has not taken place as originally scheduled in the approved permit. P.s <br />such, Western Fuels should provide the Division with an amended development <br />schedule for panel RP-5 and include a revised subsidence monitoring survey for <br />the affected area. This information should be submitted as a minor revision <br />to the approved permit. <br />If you have any questions or comments, please contact me. <br />Sincerely, <br />Tom D. Gillis <br />Reclamation Specialist <br />TDG/bca <br />Enclosure(s) <br />5696E <br />423 Centennial Building, 1313 Sherman Street Denver, Colorado 80203.2273 Tel. (303) 866.3567 <br />