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iiiiiiiiiiiuiiihi <br />Mountain Coal Company <br />West Elk Mine <br />Poll Ofrxx Box 591 <br />Somerset, Colorado 81434 <br />Telephone 30.3 929-5015 <br />Fax 303 9295595 <br />i~ <br /> <br />August 24, 1993 <br />AUG 30 ?99~ <br />Ms. Christine E. Johnston <br />Colorado Division of Minerals and Geology <br />Office of Mined Land Reclamation <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />lip: lS~Cn C. .?:~~c~s._ .....J~:ul4 <br />Re: West Elk Mine, Minor Revision No. 96, Permit C-80-007, Subsidence Monitoring Report- <br />Revised Format. <br />Dear Christine: <br />Enclosed are a proposed scheduie and revised format for Mountain Coal Company's (MCC) <br />Subsidence Monitoring Reports which are submitted on a semi-annual basis. MCC requests a <br />decision date extension for this Minor Revision No. 96, to August 27, 1993, to allow us to <br />respond to the Division's comments of August 20, 1993, and as you requested per our phone <br />conversation today. The Division's comments have been incorporated to clarify the timing of the <br />reports and to address a discussion of hydrologic consequences of subsidence. Mountain Coal <br />Company will submit this years mid-year report by September 24, 1993, utilizing the new <br />approved format. <br />If you have any questions regarding this minor revision please contact either me or Kathy Welt at <br />(303) 929-2238. <br />Since ~ ~~ <br />A. be P <br />Environme tal Coordinator <br />