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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 />August 6, 2009 <br />Mr. William A. Bear <br />Bowie Resources LLC <br />P.O. Box 483 <br />Paonia, Colorado 81428 <br />RE: Bowie No. 2 Mine, Permit No. C-96-083, Bowie Resources LLC <br />Minor Revision No. 108, Hubbard Creek Shaft Nitrogen Generation, Adequacy Review <br />Dear Mr. Bear: <br />COLORADO <br />D I V I S I ON OF <br />RECLAMATION <br />MINING <br />SAFETY <br />Bill Ritter, Jr. <br />Governor <br />Harris D. Sherman <br />Executive Director <br />Ronald W. Cattany <br />Division Director <br />Natural Resource Trustee <br />The Colorado Division of Reclamation, Mining and Safety (Division) has finished its adequacy review for <br />Minor Revision No. 108 (MR-108), submitted by Bowie Resources LLC (BRL) for the Bowie No. 2 Mine. <br />The Division has the following adequacy review questions: <br />1. Attached is the Division's reclamation cost estimate for MR-108. The estimate consists of two <br />tasks (a summary sheet and task 351) and represents an increase in liability of $7,249.00. This <br />estimate is $169.00 more than the estimate of $7,080.00 submitted by BRL. The reason for this <br />difference is that the Division recently updated the costs. <br />Please inform the Division whether or not BRL approves of the reclamation cost estimate. <br />2. Please inform the Division as to whether or not MSHA approval is required for nitrogen pumping into <br />the mine and, if so, please provide documentation of MSHA's approval. <br />3. Please update Section 2.05.3 of the permit application to include a description of the planned use of <br />the nitrogen in the mine. <br />4. Because the USDA-Forest Service was concerned about exhaust fan noise levels at the Hubbard Creek <br />vent shaft site in their review of TR-62, please provide information on the projected noise levels from <br />the two air compressors and the nitrogen generation unit. <br />If you have any questions, please call me. <br />Sincerely <br />sep J. ash <br />nvironmental Protection Specialist <br />Attachments <br />cc: Jim Stover P.E. (J.E. Stover & Associates) with attachments <br />c:\word2007\bowie2\mrl 08adeq 1 <br />Office of Office of <br />Mi.-I I -rl Rorlnmotinn flnn.mr (:ron.t 6mMinn rlnro...... e ...:.... .....J b.-...?6... AA:......