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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 (r O L ~ RA D O <br />Denver, Colorado 80203 DIVISION O F <br />MIN <br />RA L $ <br />Phone: (303) 86b3567 6 <br />FA)E: (303) 832-8106 G E O L O G Y <br /> 0.EC lANATION•NINING <br /> SAFETY•SCIENCE <br /> BiB Owens <br /> Governor <br />June 28 <br />2005 <br />, Russell George <br /> Executive Director <br />To: Erica Crosby Ronald W. CatUny <br /> Division Director <br /> Natural Resource Trustee <br />From: Harry Posey u <br />RE: Review of analytical date; Cemex, Inc. Lyons Pit, M-1977-208 <br />This memo evaluates data for the above-captioned operation received June 13, 2005, including selenium, <br />thallium and pH for A-pit and C-Pit. These data are attached. <br />There appears to be no appreciable change in any parameter from earlier sampling events. <br />Cc: Carl Mount <br />Attachment <br />Office of Offrce of Colorado <br />Mined Land Reclamation Active and Inactive Mines Geological Survey <br />