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EASTSIDE COAL COMPANY, INC. <br />P. O. Bos 161 <br />Silt, Colorado 81652 <br />(303) 87G2944 <br />March 3, 1989 <br />James C. Stevens, Reclamation Specialist <br />Colorado Mined Land Reclamation Division <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />Re: Eastside Mine - Permit No. C-84-063 <br />Subsidence Report - December 1988 <br />~d~~~~~~ <br />a1AR C )989 <br />REC M!-~EC1 L,~F~'!,, <br />LAMgTlpN v!v(g;ON <br />Dear Mr. Stevens: <br />Enclosed find the subsidence report for December 1988, Monument 1. Certification <br />of second order accuracy with projected second order allowable variance <br />is also enclosed. We have also enclosed a map of mine development as of <br />December 1988. The map shows a conservative angle of draw to the surface. <br />The angle of draw shows that Monument 1 would be the only monument affected <br />prior to the next monitoring survey. The surveys of 5-1985, 9-1985, 12- <br />1985, and 3-1986 included Monuments 2, 7, 8, 9, 10. These four surveys <br />comprise stable baseline data for these monuments. Monument 2 will again <br />be included in the survey as mine development expands to that point. <br />Sincerely, <br />Linda Limbach <br />Eastside Coal Company, Inc. <br />SS/11 <br />Enclosures <br />