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' J.~. STOVER & ASSOC~ES <br />2768 COMPASS DRIVE, SUITE 101 <br />GRAND JUNCTION, COLORADO 81506 <br />PHONE: (303) 245-4101, FAX 242-7908 <br />MINE ENGINEERING <br />MINE RECLAMATION <br />January 27, 1994 <br />S. S. Shuey <br />Division of Minerals and Geology <br />1313 Sherman St., Room 215 <br />Denver, CO 80203 <br />Re: Somerset Mining Company <br />Refuse Pile Compaction Tests <br />Permit C-81-022 <br />Dear Mr. Shuey: <br />iii iiiiiiiiiiiiiiii <br />sss <br />CIVIL ENGINEERING <br />CONSTRUCTION MANAGEMENT <br />L~~ <br />r~ <br />~nN ~1 ~ .. <br />>~ <br />'~° a <br />~~,. <br />Enclosed are the compaction tests performed on Somerset's gob pile. <br />These tests document that the gob placed in the pile during the <br />fourth quarter of 1993 was compacted to attain 90 percent of the <br />maximum dry density as required by Rule 4.10.4(3)(b). The 352 <br />tons, (347 C.Y. @ 75 #/Cubic Foot), of gob placed in the pile <br />during the quarter represents a lift thickness of less than 12 <br />inches, (Top of Pile ~ 10,000 S.F. = 370 C.Y. per foot). <br />Please call if you have any questions. <br />Sincerely, <br />~~%-. C <br />Jim Stover, P.E. <br />Consulting Engineer <br />cc: Walter Wright <br />