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MOUNTAIN COAL <br />--.COMPANYL.L.C. <br />A Subsidiary of Aroh Western Bituminous Group, LLC <br />October 14, 2009 <br />EV E <br />OCT -I :d Z009 <br />.__,ui3iabon, <br />D/ilninr ,; safety <br />Mr. Carl R. Johnston <br />Office of Surface Mining, Reclamation and Enforcement <br />P.O. Box 46667 <br />Denver, Colorado 80201-6667 <br />West Elk Mine <br />P.O. Box 591 <br />5174 Highway 133 <br />Somerset, CO 81434 <br />(970) 929-2200 <br />Fax (970) 929-5050 <br />Re: Mountain Coal Company, LLC, West Elk Mine; Permit No. C-1980-007; Approved <br />TR118, TR119, MR357 and MR358 <br />Dear Mr. Johnston: <br />Attached are revised permit pages, exhibits, and maps to be inserted in Mountain Coal <br />Company's (MCC) Permit No. C-1980-007 per approved revision Nos.TR118, TR119, MR357, <br />and MR358. Replace the two Exhibits Table of Contents pages and permit text pages 2.05-15 <br />through 2.05-49 in Volume 1. Place new Exhibit 47A at the end of Exhibit 47 in Volume 8, <br />replace the cover page and three revised pages in Exhibit 51 in Volume 10, add the two Barr <br />Engineering, Inc. reports entitled "Stability Analysis of LRP with Preparation Plant", dated <br />September 08 and 16, 2009 at the end of Exhibit 51 in Volume 10, add the new bond <br />calculations for each revision at the end of Exhibit 53 in Volume 11, replace the Introduction <br />section (cover page through Table 45E) in Exhibit 66 in Volume 8A, and add the SedCAD runs <br />for Pond MB-5E, replace the SedCAD runs for Pond MB-3 and remove the SedCAD runs for <br />Ponds MB-1 and MB-2R in Exhibit 66 as well. Also add the revised Routing Network drawings <br />for Pond MB-3 and Pond MB-5E, and revised Map 54 into Exhibit 66 in Volume 8A. Replace <br />Map 53 in Volume 11. Replace the entire contents of Exhibit 67 in Volume 10A, and add <br />Exhibit 81 in Volume 11A, including a four-page Coal Handling facilities description, seven <br />drawings and a geotechnical report completed by Barr Engineering, Inc. for MCC dated July <br />17, 2009. <br />Please feel free to contact me should you have questions regarding this submittal. <br />Sincerely, <br />Kathleen G. Welt <br />Environmental Engineer III <br />cc: Desty Dyer - BLM w/ attachments <br />Tom Kaldenbach - CDRMS <br />Ryan Taylor - USFS w/ attachments <br />Joanne Williams - Gunnison County w/ attachments