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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 00203 <br />Phone: 1303) 866-3567 <br />FAX: (303) 832106 <br />May 17, 2006 <br />Mr. Mark A. Vigil <br />Lafage West, Inc. <br />10170 Church Ranch Way, Suite 200 <br />Westminster, CO 80021 <br />COLORADO <br />DIVISION OF <br />MIN SRALS <br />GEOLOGY <br />REC LAMATION•MINING <br />SAiETY•SCIENCE <br />sill o~,E <br />Governor <br />Russell George <br />Executive Dinxtor <br />Ronald W. (attany <br />Division Dimctor <br />Natual Resource Tmsice <br />Re: Stagecoach Pit, Permit No. M-1983-067, Technical Revision Approval, Revision No. TR-Z <br />Deaz Mr. Vigil: <br />On May 18, 2006 the Division of Minerals and Geology approved the Technical Revision application submitted to the <br />Division on April 26, 2006, addressing the following: <br />Move the mine limit on the North side to conside with the permit boundary, revise the reclamation plan to include <br />slurry wall, and slope stability analysis and setbacks from slurry wall. <br />No warranty reduction is recommended at this time. Once Lafarge presents to the Division a written acceptance <br />letter from the State Engineer on the Slurry wall, the Division can reduce the warranty at that *.^1e. Also it is very <br />important for Lafarge and AI Frie to Understand that any activities in the adjacent AI Frei Pit permit # MI977- <br />526, Worthington pit, is the full responsibility of AI Frie. <br />The terms of the Technical Revision No. 2 approved by the Division are hereby incorporated into Permit No. M-1983- <br />067, All other conditions and requirements of Permit No. M-1983-067 remains in full force and effect. <br />If you have any questions, please contact me. <br />Sincerely, <br />~~ <br />Berhan . Keffelew <br />Environmental Protection Specialist <br />- "/ .)Gi <br />(~, JUN 0 2 2006 <br />GJ <br />E~; <br />Office of Office of Colorado <br />Mined Land Reclamation Active and InaRive Mines Geological Survey <br />