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<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 V1 S I ON OF <br />RECLAMATION <br />MINING <br />SAFETY <br /> Bill Ritter, Jr. <br /> Governor <br />INTEROFFICE Harris D. Sherman <br />MEMORANDUM Executive Director <br /> Ronald W. Cattany <br /> Division Director <br />TO: Joe Dudash Natural Resource Trustee <br />FROM: Jim Stark 7/) <br />SUBJECT: Bowie No. 2 TR-48 Cost Estimate <br />DATE: 17 August 2007 <br />Attached is the reclamation cost estimate for Bowie No. 2 Mine's Technical Revision 48 <br />- design changes to the Hubbard Creek Vent Shaft. The estimate in two tasks (a <br />summary sheet and task 201) and represents a decrease in liability of $39,715.00. This <br />decrease is based on the change in diameter of the shaft from the originally proposed <br />single shaft 18 feet in diameter to two shafts 10.5 feet in diameter. All other tasks remain <br />unchanged from Technical Revision 47. <br />Please let me know if you have any questions or need any additional information. <br />cc: Sandy Brown w/out attachments <br />STATE OF COLORADO <br />Office of Office of <br />Mined Land Reclamation Denver • Grand Junction • Durango Active and Inactive Mines