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Mountain Coal Company <br />West Elk Mine <br />•.• Post Office Box 597 <br />Somerset, Colorado a1434 <br />Telephone 970 929-5015 <br />Fax 970 929-5595 <br />RECEIVED <br />December 16, 1997 <br />Mr. Michael P. Boulay <br />Dr. James Pendleton <br />Colorado Division of Minerals & Geology <br />Office of Mined Land Reclamation <br />1313 Sherman Street, Room 215 <br />Denver. CO 80203 <br />nFC ~ q 7997 <br />hivioion of Minoralc ~„ H49~30y <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 />iiiiii iiiii <br />The following presents Mountain Coal Company's (MCC) current summary of geotechnical issues for the <br />Sylvester Gulch Site Development Project, a general construction summary, and our current schedule of <br />critical activities. The following information covers the time period from December 09, 1997 - <br />December 15, 1997. <br />General Construction Summary and Schedule <br />Construction efforts are essentially complete with the exception of the upper detention pond and detention <br />pond outlet channel, and completion of punch-list items. Snow and cold temperatures during the week <br />slowed the completion of these remaining items, with ground conditions remaining snow covered and frozen <br />throughout the week. <br />Current Schedule <br />The expected completion date for remaining tasks are as follo+vs: <br />Upper Detention Pond In Progress Complete 12/19 <br />Pond SG-1 Completed <br />Guardrail Installation Completed <br />Punch-list Items In Progress Complete 12/23 <br />Demobilization January, 1998 <br />Field Observations, Data Collection, and Ongoing Evaluations <br />A partial inspection was performed by MCC on December 1 ~ to visually observe and evaluate the stability <br />of slopes within the project area. Weekly surface surveys of the substation slope and de+vatering pad road <br />