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P QaboTwentymile Coal Company 29515 Routt County Road #27 <br />Oak Creek, CO 80487 <br />970.879.3800 <br />Mr. Carl Johnston December 3, 2009 <br />Office of Surface Mining Reclamation & Enforcement <br />PO Box 46667 <br />Denver, Colorado 80201 <br />Re: Twentymile Coal - Foidel Creek Mine (Permit C-82-056); Permit Revision Update Packages <br />Dear Mr. Johnston: <br />Enclosed are copies of the decision forms issued by the Colorado Division of Reclamation, Mining, and <br />Safety, and revised Permit Application Package Materials for several recent revisions, identified as follows: <br />Permit Revision PR09-08, Western Mining District - Full Development and Longwall Mining <br />Technical Revision TR06-57, 6MN Sedimentation Pond Modifications <br />Technical Revision TR09-66, 18-Left Ventilation Shaft Installation <br />Technical Revision TR09-67, Coal Refuse Disposal Area Expansion <br />Technical Revision TR09-68, Western Mining District - Phase III Development <br />Technical Revision TR09-69, 6-Right Thickener Underflow Borehole and Pipeline <br />Minor Revision MR09-236, 6MN Nitrogen Injection and Meteorological Station Installation <br />Minor Revision MR09-237, New Discharge Pipeline & Headgate at Fish Creek Borehole Treatment <br />Pond, and New Drainage Culvert on Pond B Access Road <br />Minor Revision MR09-238, 10-Right Monitoring Borehole and Miscellaneous Facilities <br />Minor Revision MR09-239, Water Treatment Pilot Installation <br />Minor Revision MR09-240, Security Gate Installation <br />Approved materials are enclosed for insertion or replacement, as appropriate, in your copy of the Permit <br />Application Package (PAP). Please note that where revisions resulted in multiple changes to the same map, <br />only the most recent version of the map is included with this submittal package. If you have any questions, <br />please feel free to contact me at (970) 870-2712. <br />Best regards, <br />Jerry M. Nettn <br />cc: Janet Binns/CDRMS