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<br />Mountain Coal Company <br />Wesl Elk Mine <br />Post Office Box 591 <br />Somerset, Coloredo 81434 <br />Telephone 970 929-5015 <br />Fax 970 929-5595 <br />September 16, 1997 <br />RECEIVED <br />SEP 19 1997 <br />Mr. Michael P. Boulay ".wlsleri vi ~wneral, 8 GeClony <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 /> <br />Re: Geotechnical Report -Sylvester Gulch Site Development <br />Ref: Permit Revision 07 and Technical Revision 79 to Permit No. C-80-007, <br />West 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. The following information covers the time period from <br />September 08, 1997 -September I5, 1997. <br />General Construction Summary and Schedule <br />Excavation of Phase 1C and Phase 1D of the RPE and creation of structural fill via screening <br />operations continues. Pit run material is also being imported from off site, screened and crushed <br />to create additional structural fill. With the exception of the detention pond above the Shaft #1 <br />and #2 site, construction activities are in progress on all subtasks of the project. Work is <br />approximately 85% complete on the Shaft #3 site development and Electric Borehole road. MSE <br />Wall G (Block Wall) is approximately 75°/a complete. MSE wall F-1 and F-2 are approximately <br />80% complete. Significant rain events, which halted construction, occurred on Thursday, <br />September 11, and Monday September 15. <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 />