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Kurtis Blunt <br />r.r• Colo o Co <br /> wy al Company <br />O 5731 State Highway 13 <br /> Meeker, CO 81641 <br />F?+• T:970-824-1531 <br /> <br /> <br />O <br /> July 9, 2010 <br /> Mr. James R. Stark <br /> Environmental Protection Specialist <br /> Colorado Division of Reclamation, Mining and Safety <br /> Department of Natural Resources <br /> 1313 Sherman Street, Room 215 <br /> Denver, CO 80203 <br />AtcoV <br />?o <br />oivis;JUZ 0 9201 <br />n Of,% 0 <br />09 and Saf abort <br />efy <br />Re: Colowyo Mine C-1981-019 <br />Response to Mid-Term Permit Review for Colowyo Coal Company L.P. <br />Dear Mr. Stark: <br />Colowyo would like to thank the Division for the opportunity to address issues raised as a result <br />of the Mid-Term review process. Your concerns, and Colowyo's responses for how those <br />concerns will be addressed moving forward are as follows: <br />Section V - Decision to Require Revisions or Additional Information <br />Based on a review of the permit application, the Division has the following questions for <br />Colowyo. The Division requests responses, in the form of a minor revision or technical revision, <br />as appropriate, from Colowyo no later than 25 June 2010. Several issues can be combined in one <br />technical revision. <br />A number of the issues detailed below are outstanding issues that have been discussed during <br />various permitting actions and Notices of Violation. More detail regarding the history of these <br />discussions can be found in Permit Renewal 05 (three adequacy letters), Permit Revision 02 (four <br />adequacy letters), Notice of Violation CV-2008-004 and Technical Revision 78. <br />Rule 2.05.3 -- Operations Plan <br />With the proposed decrease in annual coal production from approximately 5 million tons <br />to approximately 2.3 million tons, Colowyo has slowed the mining in the West Pit. This <br />slow down will extend the life of the West Pit from its current projected end of life of <br />2011 (as shown on Map 23 - Mine Plan South Area). Please submit a technical revision <br />to update Map 23 to reflect the current production levels and mining dates in the West Pit. <br />Please update both surface and highwall mining operations, as necessary. <br />RECEr <br />JUL 00 201; <br />Division of ReciaR4_ <br />Mining and Safe; •,