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Peabody <br />Twentymile Coal Company <br />29515 Routt County Road #27 <br />Oak Creek, CO 80467 <br />970.879.3800 <br />Ms. Janet Binns <br />Environmental Protection Specialist <br />Colorado Division of Reclamation, Mining, & Safety <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />(303) 866-3567 x 8107 <br />DECEIVED <br />DEC 0 4 2008 <br />D,visiot. u, ,.eciamation, <br />Mining and Safety <br />December 4, 2008 <br />RE: Twentymile Coal Company - Foidel Creek Mine (Permit No. C-82-056), Minor Revision (MR08-233) <br />for Refuse Pile Clay Staging Area <br />Dear Ms. Binns: <br />Twentymile Coal Company (TCC) requests CDRMS approval of a Minor Revision to our approved Mining and <br />Reclamation Permit to utilize an existing ranch road for haulage of clay materials, establish a temporary clay stockpile <br />on an existing permanent excess overburden stockpile, and establish and maintain associated temporary support and <br />drainage structures.. The proposed clay handling activities are necessary to preserve suitable clay materials for use as <br />the final cover material for the existing Coal Refuse Disposal Area, and to facilitate placement of refuse in the <br />remaining available area for the existing permitted Refuse Pile. <br />Approximately 70,000 cubic yards of suitable clay material will be recovered from the remaining refuse placement <br />area and hauled to and placed in the temporary stockpile area. It is anticipated that the clay material will be <br />stockpiled for less than a year, with placement of the clay as cover material on the western slope of the Refuse Pile as <br />soon as ongoing refuse placement and grading bring this area to the final design elevation and grade. Prior to <br />disturbance, available soil materials will be recovered from the haulage route and stockpile footprint, and stockpiled <br />on the surface of the permanent excess overburden stockpile. Due to the very temporary nature of the planned <br />stockpile, drainage from both the clay and soil stockpile areas will be controlled using Alternative Sediment Control <br />methods including berms and wattles. Temporary support structures will be limited to an equipment fueling site with <br />a portable fuel tank and lined secondary containment adjacent to the haulage route on the stockpile margins. <br />This submittal includes revised PAP text and maps/drawings addressing the location and configuration of the <br />proposed clay handling and staging area. New and revised PAP materials are identified by the enclosed Summary of <br />Revisions/Additions. TCC would like to proceed with this project as soon as possible, so that clay recovery and <br />stockpiling can be completed before winter conditions make operations too difficult. Therefore, we appreciate your <br />consideration and cooperation in facilitating timely review and approval. Once you have had opportunity to review <br />the accompanying information, please feel free to contact me with any questions or to discuss related matters. <br />Best regards, <br />for Twentymile Coal Company <br />Jerry M. Nettleton <br />Environmental Manager <br />cc: Mike Berdine/TCC <br />C:\Documents and Settings\jhb\Local Settings\Temporary Internet Files\OLK3B8\MR08-233 Refuse Pile Clay Staging Area <br />TL.doc