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iiiiiiiiiiiiiiiiiii <br />999 <br />Mountain Coal Company <br />West Elk Mine <br />Post Office Box 591 <br />Somerset, Colorado 81434 <br />Telephone 970 929-5015 <br />Fax 970 929-5595 <br />August 29, 1997 <br />R~~;EIVED <br />SEP 0 2199Y <br />Michael P. Boulay <br />Dr. Jim Pendleton <br />Colorado Division of Minerals & Geology <br />Office of Mined Land Reclamation <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Division of Miner2ls & Geology <br />Re: Geotechnical Report -Sylvester Gulch Site Development <br />Ref: Permit Revision 07 and Technical Revision 79 to Permit No. C-80-007, West <br />Elk Mine <br />Dear Mr. Boulay and Dr. Pendleton: <br />The following presents Mountain Coal Company's (MCC) current summary of geotechnical <br />issues for the Sylvester Gulch Site Development Project, a general construction summary, and <br />our current schedule of critical activities. This report covers an extended timeframe in order to <br />incorporate recently received stability analyses, and associated decisions, and forward these to <br />CDMG in a timely manner. The following information covers the time period from August 18, <br />1997 -August 29, 1997. <br />General Coostructiou Summary and Schedule <br />Excavation of Phase 1C and Phase 1D of the RPE and creation of structural fill via screening <br />operations continues. With the exception of the lower Sylvester Gulch road (and MSE Walls A- <br />E) and the detention pond above the Shaft #1 and #2 site, construction activities are in progress <br />on all subtasks of the project. MSE wall F-1 and F-2 construction continues with approximately <br />40 feet (maximum fill height) completed as of August 24th. Weather during the time period was <br />generally dry. <br />Current Schedule <br />A gantt chart of the schedule and progress of general construction activities for the project is <br />attached. Other specific tasks of interest are as follows: <br />