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<br />Mountain Coal Company <br />West Elk Mlne <br />Post Ollice Box 591 <br />Somerset, Colorado B7 434 <br />Telephone 303 9235015 <br />December 12, 1991 <br />Mr. Randall Price <br />Colorado Mined Land Reclamation Division <br />1313 Sherman St., Room 215 <br />Denver, CO 80203 <br />Re: Permit C-80-007, Technical Revision No. 61, <br />Gob Placement in Stack Tube Area Fill <br />Dear Randy: <br />III IIIIIIIIIIIII III <br />999 <br />~~~~r~~~ <br />DEC 1 6 1991 <br />Mined Land <br />Mountain Coal Company requests a technical revision to Permit C-80-007 to <br />use coal refuse (gob) from the West Elk Mine as fill material in the stack <br />tube's coal storage pad. As shown in Geowest's stability analysis (attached), <br />gob compacted at least 50' within the tce & outside slope of the soil fill allows <br />a safety factor of 1.3. Gob will also be used as the top dressing for the pad <br />so that soil is not picked up when reclaiming coal from the pad surface. <br />The proposed Public Notice is attached. Please don't hesitate to contact me <br />should you have comments or questions. <br />Sincerely, <br /> <br />Kathleen G. Welt <br />Environmental Engineer <br />cc: J.L. Coffey <br />J.D. Miller <br />P.G. Schmidt <br />KOW/mcr <br />RMCOfi201 <br />