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• iiiiiiiiiiiniuiii <br />STAT~OF CGL~>i~li~ _ __ _ <br />MINED LAND RECLAMATION DIVISION of ~a~ <br /> <br />Department of Natural Resources o <br />a`r' '~y <br />sf <br /> <br />1313 Sherman St., Room 275 <br />D <br />CO 80203 e <br />O <br />'~^ ~~ <br />` <br />"~ <br />~ <br />` <br />enver, ~ <br />~ <br />~ <br />303 866-3567 <br />ra76' <br />FAX: 303 832 8106 <br /> Roy Romer, <br /> Governor <br /> Fretl R. Banta. <br /> Division Dircclor <br />DATE: February 5, 1992 <br />T0: Tony Waldron <br />FROM: Jim Pendleton <br />RE: Foidel Cre Mine' Semi-annual Subsidence Monitoring Report - <br />1 Quarters, 1991 (Permit #: C-82-056) <br />I have reviewed the semi-annual subsidence monitoring survey data report, maps <br />and cross-sections submitted by Cyprus Yampa Coal Company for its Foidel Creek <br />Mine's longwall section, panel #l. <br />Maximum vertical subsidence has reached 3.6 to 3.8 feet at monitoring stations <br />SM-57 and SM-74 through SM-77. Through subsidence is occurring in accordance <br />with the operator's original subsidence survey predictions. <br />I recommend acceptance of this report as submitted. <br />cc: David Berry <br />JP/JP <br />