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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 RAD <br />C O L O <br />0 <br />Denver, Colorado 80203 t o N o <br />D <br />Phone: (303) 866-3567 RECLAMATION <br />FAX: (303) 832-8106 MINING <br /> <br /> SAFETY <br />October 13, 2009 <br /> Bill Ritter, Jr. <br />Donald W. MacDonald Governor <br /> Harris D. Sherman <br />Coors Energy Company Executive Director <br />P.O. Box 467 Ronald W. Cattany <br />Golden, CO 80402 Division Director <br /> Natural Resource Trustee <br />Re: Keenesburg Strip Mine (Permit No. C-1981-028) <br />Surety Reduction No. 1 (SRI) <br />Dear Mr. MacDonald: <br />In accordance with Rule 3.02.2(4) of the Rules and Regulations of the Colorado Mined Land <br />Reclamation Board for Coal Mining, you are hereby notified that Coors Energy Company (CEC) is <br />eligible for a surety reduction (SRI). The Division conducted a review of the required surety amount <br />in conjunction with review of bond release application No. 4 (SL4). The Division currently holds <br />surety for the Keenesburg Strip Mine in the amount of $2,327,437.00. The Division updated some of <br />the equipment costs in its cost estimating program (CIRCES) in August 2009. As a result of these cost <br />updates, the Division determined the required surety for the Keenesburg Strip Mine, prior to SL4 <br />approval, is $2,289,771.00. Therefore, CEC is eligible for a surety reduction of $37,666.00 <br />($2,327,437.00 minus $2,289,771.00). <br />In accordance with Rule 3.02.2(4)(a), CEC may request an informal conference regarding this surety <br />reduction. Please notify the Division whether CEC wishes to arrange an informal conference or not. If <br />CEC chooses not to arrange an informal conference, the Division will proceed with SRI in the amount <br />of $37,666.00, in conjunction with its review of SL4. <br />If you have questions or need additional information, please contact me. <br />Sincerely, <br />Janet H. <br />ivironme' tal Protection Specialist II <br />03) 863567 ext. 8107 <br />Attachment: August 2009 Reclamation Cost Estimate <br />Office of Office of <br />Mined Land Reclamation Denver • Grand Junction • Durango Active and Inactive Mines