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999 <br /> STATE OF COLORADO <br /> DIVISION OF MINERALS AND GEOLOGY <br /> Department of Natural Resources <br /> 131 7 Sherman St., Room 215 <br /> Denver,Colorado 80203 D I V I S I O N O F <br /> Phone:130i1866-3567 M IN E RA L S <br /> FAX.(303)832-8106 & <br /> GEOLOGY <br /> RECLAMATION <br /> February25, 1999 MIN1XSAFETY <br /> Hit Owens <br /> Governor <br /> Greg E.Watcher <br /> Executive Director <br /> Mr. Michael G. Leidich, P.E. <br /> Michael B.Long <br /> Robinson Brick Company D.v,sion Director <br /> 1845 West Dartmouth Ave. <br /> Denver,CO 80110-1308 <br /> RE: Siloam Mine,Technical Revision Approval,Permit No. M-77-326,Revision No. TR-1 <br /> Dear Mr. Leidich: <br /> On February 24, 1999 the Division of Minerals and Geology approved the Technical Revision application <br /> submitted to the Division on January 19, 1999,addressing the following: <br /> Change mining plan to incorporate a blasting plan through the submittal of"Report of Investigations <br /> for the Impacts of Blasting Operations and Recommended Practices and Control for Clay Mining <br /> Operations at Siloam Clay Mine." <br /> The terms of the Technical Revision No. 1 approved by the Division are hereby incorporated into Permit No. <br /> M-77-326. All other conditions and requirements of Permit No. M-77-326 remain in full force and effect. <br /> Please note that this report is based on a maximum charge of 50 pounds per delay. If Robinson Brick wishes <br /> to increase to greater than 50 pounds per delay,this report will need to be amended accordingly. <br /> If you have any questions,please contact me. <br /> Sincerely, <br /> i <br /> Anthony J. Waldron <br /> Environmental Protection Specialist <br /> N1 Yoss1Pu n1tcrnplMRV013I6.AIW <br />