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iiiiiiiiiiiiiiiiiii <br />999 <br />DIVISION OF MINERALS AND GEOLOGY <br />Depanmenl of Nalu ral Resources <br />I l 13 Sherman 51., Room 215 <br />Denver, CO 80203 <br />Phone. 17031 8663567 <br />FA%:1303)8]2-BI06 <br />DATE: September 28, 1993 <br />TO: Jim Pendleton <br />FROM: Christine Johnstor~ <br />RE: Semi-Annual Subsidence Report; West Elk Mine; <br />File No. C-80-007 <br />OF' COQ <br />ti~ <br />.'o <br />;~~~~~ o <br />~ /B l6 <br />Roy Romer <br />Gnrrnu~ <br />Michael H Lang <br />Division UvrUnr <br />Mountain Coal Company has submitted their semi-annual subsidence <br />report in the recently approved revised format. They also <br />submitted the subsidence profiles, which will not typically be <br />submitted with the mid-year report. MCC wanted to provide the <br />Division the opportunity to review the profiles in advance of the <br />year end report so that we may make comments prior to that <br />submittal. <br />I would like to request your assistance in reviewing this report. <br />Subsidence predictions made by Mountain Coal is located in the <br />permit in Exhibits 55 and 60 in Volume 12. Please provide me with <br />the results of your review by October 22, 1993. <br />If you should require any additional information, please let me <br />know. <br />cc: David Berry <br />STATE OF COLORADO <br />007SUB.JAP <br />