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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural RESOUnxs <br />1313 She/man SL, Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 8663567 <br />FAX: (303)832-0106 <br /> <br />January 18, 2006 <br />Mr. John Lohr / <br />CEMEX, Inc. <br />P.O. Box 524 <br />Lyons, CO 80540 <br />Re: Lyons Quarry, Permit No. M-1977-208, Technical Revisiou Approval, Revision No. TR-6 <br />Deaz Mr. Lohr: <br />COLORADO <br />DIVISION OF <br />MIN aRALS <br />GEOLOGY <br />0.EClANATION•NINING <br />SAFETY•ECIENCE <br />gill Owens <br />Governor <br />Russell George <br />Executive Director <br />Ronald W. fattany <br />Division Directp <br />Natural Resource Truslce <br />On January 17, 2006 the Division of Minerals and Geology approved the Technical Revision application submitted to the <br />Division on December 2, 2005, addressing the following: <br />Revision to address pumping & treatment of water in the C-Pit to lower the pH. A revision to address selenium <br />in the C-Pit will be submitted on or before April 1, 2006. <br />The terms of the Technical Revision No. 6 approved by the Division are hereby incorporated into Pern3it No. M-1977- <br />208. All other conditions and requirements of Permit No. M-1977-208 remain in full force and effect. <br />If you have any questions, please contact me at (303) 866943. <br />/ Sincerely, s~ <br />l/~~/~~`G%~! <br />Enca S. Crosby <br />Environmental Protection Specialist <br />cc: Carl Mount; DMG <br />Harry Posey; DMG <br />Paul Banks; Banks & Gesso, LLC <br />Office of Office of Colorado <br />Mined Land Reclamation Active and Inactive Mines Geological Survey <br />