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III IIIIIIIIIIIIIIII Mountain Coal Company West Elk Mine Post Office Box 591 Somerset, Colorado 81434 Telephone 970 929-5015 Fax 970 929-5595 December 09, 1997 Michael P. Boulay Dr. James Pendleton Colorado Division of Minerals & Geology Office of Mined Land Reclamation 1313 Sherman Street, Room 215 Denver, CO 80203 RECEIVED DEC 11 1997 pivision of INinarals & Geology Re: Geotechnical Report -Sylvester Gulch Site Development Ref: Permit Revision 07 and Technical Revision 79 to Permit No. C-80-007, West Elk Mine Dear Mr. Boulay and Dr. Pendleton: The following presents Mountain Coal Company's (MCC) current summary of geotechnical issues for the Sylvester Gulch Site Development Project, a general construction summary, and our current schedule of critical activities. The following information covers the time period from December 02, 1997 - December O8, 1997. General Construction Summary and Schedule Construction efforts aze essentially complete with the exception of the upper detention pond and detention pond outlet channel, lining sediment pond SG-l, and completion of punch list items. Snow and cold temperatures during the week slowed the completion of these remaining items, with ground conditions remaining snow covered and frozen throughout the week. Current Schedule The expected completion date for remaining tasks are as follows: Upper Detention Pond Tn Progress Complete 12/l~ Pond SG-l In Progress Complete 12/15 Guazdrail Installation Completed Punch List Items In Progress Complete 12/19 Final completion and Demobilization 12/19 Field Observations, Data Collection, and Ongoing Evaluations A partial inspection was performed by MCC on 12/08/97 to visually observe and evaluate the stability of slopes within the project area. Data collection efforts continue and evaluation or re-evaluation of specific