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i <br />' COLORADO <br />&W Division of Reclamation, <br />Mining and Safety <br />Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />April 16, 2015 <br />Mrs. Connie Davis <br />Aggregate Industries - WCR,'Inc. <br />1687 Cole Blvd., Ste. 300 <br />Lakewood, CO 80401 <br />Re: Aggregate Industries - WCR, Inc., Platte Valley Operation, File No. M- 1989 -120 <br />Technical Revision No. 4 (TR -04), 30 -Day Extension Request Approval <br />Mrs. Davis, <br />The Division of Reclamation, Mining and Safety (Division /DRMS) has received and approved the <br />request for a 30 -day extension to complete the adequacy response for Technical Revision No. 4 <br />for the Platte Valley Operation. <br />The new decision date is May 18, 2015. <br />If you have any questions, please do not hesitate to call me at (303) 866 -3567 ext. 8124. <br />Sincerel <br />Peter S. Hays <br />Environmental Protection Specialist <br />Cc: Tom Kaldenbach, DRMS <br />aw oF' cOto <br />I h °1 <br />1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http: / /mining.state.co.us * *� <br />John W. Hickenlooper, Governor I Mike King, Executive Director I Virginia Brannon, Director 1876 <br />t <br />1 <br />