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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 />January 17, 2007 <br />Mr. James E. Stover <br />J. E. Stover & Associates, Inc <br />P.O. Box 60340 <br />Grand Junction, CO 81506 <br />Re: Reviews of 180-Day Report, Drill Hole Abandonment Report and Final <br />Reclamation Report, CAM-Colorado LLC, NOI No. X-2006-153-14 <br />Dear Mr. Stover: <br />COLORADO <br />DIVISION OF <br />RECLAMATION <br />MINING <br />- &- <br />SAF ETY <br />Bill Owens <br />Governor <br />Russell George <br />Executive Direttor <br />Ronald W. Cottony <br />Division DirecYOr <br />Natural Resource Trustee <br />On November 20, 2006, we received a 180-Day Report, a Drill Hole Abandonment Report, and a <br />Final Reclamation Report for NOI No. X-2006-153-14. We have completed our reviews of these <br />reports, and provide the following questions and comments. <br />180-Day Report [Rule 2.02.6(3)(a)]: <br />The information provided with the 180-Day Report meets the requirements of Rule <br />2.02.6(3)(a). Thank you. <br />Drill Hole Abandonment Report [Rule 4.07.3(3)]: <br />2. Please revise and resubmit the two tables on the second page of the Drill Hole <br />Abandonment Report to include the disposition of drill holes VB-06-3 (completed as <br />monitoring well), VB-06-10 (completed as monitoring well), and VB-06-12 (not drilled). <br />Rule 4.07.3(1) requires that drill holes not completed to aquifers be sealed by "replacing <br />cuttings or other suitable media in the hole and placing a suitable plug 10 feet below the <br />ground surface to support a cement plug or other media approved by the Division to within <br />3 feet of the ground surface." <br />A review of the original NOI application found similar language at §2.02.2(2)(g) "Methods <br />to be used to conduct coal exploration and reclamation/Method for Plugging Drill Holes": <br />"Drill holes not completed as monitoring wells will be backfilled with cuttings <br />to within 10 feet of the ground surface. A cement plug will be placed from the <br />top of the cuttings to within 3 feet of the ground surface. Cuttings will be <br />placed in the top three feet of the hole and the remaining cuttings will be spread <br />around the drill site." <br />Office of Office of <br />Mined Land Reclamation ARive and Inactive Mines <br />