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MOUNTAIN COAL <br />' COMPANY L.L.C. <br />A Subsidiary of Arch Western Bituminous Group. LLC <br />October 19, 2011 <br />Mr. Dan Hemandez <br />Colorado Division of Reclamation, Mining and Safety <br />Office of Mined Land Reclamation <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />OCT - I 9 2011 <br />reclamation, <br />Mining and Safety <br />Re: Mountain Coal Company, LLC, West Elk Mine; Permit No. C- 1980 -007; Minor <br />Revision No. MR -382, Addition of MDW E3 -61 and MDW E3 -64 <br />Dear Mr. Hemandez: <br />Mountain Coal Company, LLC (MCC) submits this letter, application form and revised Exhibit 80 <br />table of contents for Minor Revision No. MR -382 to drill two new vertical methane drainage wells <br />from existing MDW pads. MCC is still experiencing difficulty in venting the necessary volumes of <br />methane from the mine. These two MDWs will aid in ensuring better ventilation as the longwall <br />face advances. <br />As marked in orange on the attached drawing, new MDW E3 -64 will be drilled from the newest pad <br />where MDW E3 -65 was recently drilled and MDW E3 -61 will be drilled from the existing MDW E3- <br />63 pad to the west. The planned total depth of MDW E3 -61 is 950' and for E3 -64 is 970', both <br />completed with 7" steel casing. <br />I have already spoken with Ryan Taylor of the Forest Service's (FS) Paonia Ranger District office to <br />alert him of this important project and he is prepared to act on it as soon as the application is <br />deemed complete by the Division. We would like to begin drilling these new wells as soon as <br />possible, so your swift consideration of this application would be appreciated. Please contact me at <br />(970) 929 -2238 or by e-mail should you have questions regarding this submittal. <br />Sincerely, <br />Kathleen G. Welt, <br />Environmental Engineer III <br />dgm <br />cc: Chris Nyikos — MCC <br />Ryan Taylor, FS <br />Joanne Williams — Gunnison Co. <br />/ €1 v2d <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 />vow e a/o / / 9 /0 <br />