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STATE OF COLORADO <br />DIVISION OF RECLAMATION, MINING AND SAFETY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 832-8106 <br />COLORADO <br />D I V I S I O N OF <br />RECLAMATION <br />MINING <br />SAFETY <br /> <br />INTEROFFICE Bill Ritter, Jr. <br /> <br />Governor <br />MEMORANDUM Mike King <br /> Executive Director <br />TO <br />J <br />D <br />d <br />h Loretta <br />E. Piiieda <br />oe <br />u <br />as <br />: D <br />irecto <br />FROM: Jim Stark <br />SUBJECT: Bowie No. 2 Mine's TR-67 Cost Estimate <br />DATE: 5 August 2010 <br />Per your 29 July 2010 request, attached is the reclamation cost estimate for the Bowie <br />No. 2 Mine's Technical Revision 67 - Terror Creek Vent Shaft. The estimate is three <br />tasks (a summary sheet and tasks 261 and 262) and represents an increase in liability of <br />$198,905.00. The estimate includes costs for plugging, filling and capping the vent shaft <br />and removing the emergency hoist and nitrogen generator. Since the vent shaft will be on <br />an existing pad, which is accessed by an existing road, there is no earthwork included in <br />the estimate. The liability is slightly less than the liability proposed by BRL (of <br />$204,156.00). There was not an estimate from BRL included in my review package so I <br />am not sure where the difference is. <br />Please let me know if you have any questions or need any additional information. <br />cc: Sandy Brown w/out Attachments <br />Office of Office of <br />Mined Land Reclamation Denver 9 Grand Junction • Durango Active and Inactive Mines