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POWDERHORN <br />COAL COMPANY <br />January 24, 1996 <br />Mr. Don Glaser <br />State Director <br />Bureau of Land Management <br />2850 Youngsfield Street <br />Lakewood, CO 80215-7076 <br />Re: Mining Schedule Notification, FCL C-01538, C-024998 and C-029889 <br />Deaz Mr. Glaser: <br />iii iiiiiiiiiiiii iii <br />P.O. Box 1430 <br />Pelisatle, Coloratlo 81528 <br />(3031464-7951 <br />Fax (303)464-7161 <br />DECEIVED <br />.lAN 2 " 1996 <br />Division of Minerals 8 t;gp~ <br />Grand Junction <br />Powderhorn Coal Company owns and operates the Roadside North and South Portal operations located in <br />Debeque Canyon approxima[ely 3'h miles northeast of Palisade, Colorado. Operation of the mine is <br />conducted in accordance with provisions of our Mining and Reclamation Permit No. C-81-041 and in <br />accordance with rules set forth in the Regulations of the Colorado Mine Land Reclamation Division. <br />This notice is to confirm and update previous information regarding underground mining under portions of <br />BLM property. <br />Mining location -Lots I7 through 20 Section 1 and Lots 1 and 2 Section 12 T.11S., R.98W., 6PM; <br />Lots 21 and 22, E'h SW 1,5, and SE'k Section 7 T.11S., R.97W., 6PM; and SJ: Section 21 and Sya <br />Section 20, T.10S., R.98W., 6PM. <br />2. Date of mining activities that could cause subsidence and affect specific structures -Current projections <br />for this area include mining during dte rest of 1996. Subsidence tray have occurred in Sec[ions 1, 2, <br />I1 and 12 T.l1S., R.18W., 6PM, since 1991 and is expected to continue. Due to a more limited <br />extraction ratio, subsidence is less likely to occur in the azeas trained since dte first of 1995, but it could <br />occur at any time. <br />3. Measures taken to prevent or control adverse surface affects -The roof control practice of partial <br />t .,I ..:11 n the morn fn rc of nhc drnrP Alcn . v <br />pil;arirtg and dcve.cpaert mWano c...y `..- :.,tn:rtt:z_ st_ ___ a __c_ s. t_.-. m1~r1 <br />extraction under Cottonwood, Rapid, Jerry and Coal Creek is limited to 50% by our Mining <br />anReclamation Permit to prevem disturbance to these drainage. There are no known structures within <br />the areas listed in Item 1 that require any greater protection. <br />If you have any questions, please contact me at (303) 464-7951. <br />Sincerel l <br />Larry /eschke <br />Engin r <br />cc: Dan Mathews, DMG <br />