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,, <br />III IIIIIIIIIIIII III` <br />999 <br />Mountain Coal Company <br />Weal Elk Mine <br />Post Ofrxx Box 591 <br />Somerset, Cobrado 81434 <br />Telephone 303 9295015 <br />Fax 303 9295595 <br />August 12, 1994 <br />Ms. Christine E. Johnston <br />Division of Minerals and Geology <br />Office of Mined Land Reclamation <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />AUG 15 1994 <br />'Jlvis~on of P~inerais 6 hr u~ogy <br />Re: Mountain Coal Company, West Elk Mine, Permit No. C-80-007, Semi-annual <br />Subsidence Report (Mid-Year Report) <br />Dear Christine: <br />/\ <br />Mountain Coal Company is submitting three copies of this Semi-annual Subsidence Report. As <br />you may recall the report is to address the information requested in the format approved by the <br />Division as a result of Minor Revision No. 96. The report includes a discussion of the survey <br />schedule, mining advance, subsidence results, and visual effects. A table of the subsidence <br />monitoring data is included. This table shows the northings, eastings, pre-mining elevations, <br />survey elevations of the current monitoring, the previous (October 1993) elevations, and the <br />subsidence for the current reported period (October 1993 to July 1994) and total subsidence. <br />If you have any questions please contact me or Kathy Welt. <br />Si y, <br />envy A B e <br />Environmental Coordinator <br />Enclosures <br />xc: Kathy Welt <br />permtsub.doc <br />