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~LAFARG E <br />NORTH AMERICA <br />Construction Materials <br />RECEIVED <br />NOV 0 4 2001 <br />Givision of Minerals and Gealegy CERTIFIED MAIL <br />7001-1140.0003-5905-5937 <br />October 21;-2002 _ -.... -_. <br />Division Of Minerals and Geology <br />Department of Natural Resources <br />1313 Sherman Street, Rm 215 <br />Denver, CO 80203 <br />Re: East Rigden Pit, M-1979-097, Technical Revision- Stability Plans and <br />Specifications. /R_~- e~as5: ~2viSi~r7 <br />Dear Ms. Crosby <br />Attached to this letter is the slope stability design and plans for the East Rigden <br />Pit. Lafazge intends to follow the designs outlined by Lafazge's Consultants <br />Anderson Consulting Engineering if the design meets your approval. Lafazge <br />believes that the design will mitigate the issues outlined in the October 9, 2002 <br />DMG inspection report, and we hope that the designs plan will meet your <br />requirements as a suitable technical revision. <br />We also included the substitute supply plan for the Brose Pit with this technical <br />revision request. <br />If you have any questions or concerns please to not hesitate to call. <br />Cordially, <br />LAFARGE WEST, INC. <br />~~-~ ~~~~ <br />Bric Reckentine <br />Land Manager <br />(303) 657 4330 <br />LAFARGE WEST, INC. <br />1590 W. 12th Ave., Denver, Colorado 80204-3410 <br />Office: (303) 657-4000 Fax: (303) 657-4339 <br />m~..e oo x.,ni.e ne.~ <br />