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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Deparlmenl u( Nnlural Resources II~~~ <br />1111 Sherman }I., Fonm ? 15 <br />Oc•nver, Cnlorudu RO!(Il <br />Phone: 13011 R66-15h: <br />FAt. 1105) H}! R106 <br />DEPARTMENT OF <br />NATURAL <br />RESOURCES <br />Rov Romer <br />Governor <br />lames 5. I ochhead <br />E~ecmive Direclor <br />INTEROFFICE MEMORANDUM Michael R. Long <br />DIVISION OF MINERALS AND GEOLOGY Division Direclor <br />TO: ]im Pendleton <br />FROM: Mike Boulay ~~ <br />DATE; September 12, 1997 <br />SUBJECT: Mountain Coal Company, West Elk Mine, Permit No. C-80-007, Semi-Annual <br />Subsidence Monitoring Report (Mid-Yeaz Report 1997) <br />Mountain Coal Company has submitted the semi-annual subsidence monitoring data report for <br />the West Elk Mine. The report is for mid-yeaz 1997. I am requesting your assistance by <br />providing me with a technical review of the report. I greatly appreciate your help. <br />Please let me know if you have any questions or require additional information. <br />