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U.S. Department of Labor <br />OCT 16 2015 <br />Harold A. Shiflet <br />Shift Foreman <br />Oxbow Mining LLC <br />P.O. Box 535 <br />Somerset, Colorado 81434 <br />Dear Mr. Shiflet: <br />Mine Safety and Health Administration <br />P O Box 25367 <br />Denver, Colorado 80225 <br />Coal Mine Safety and Health <br />District 9 <br />RE: Elk Creek Mine <br />ID No. 05-04674 <br />Ventilation Plan Amendment <br />Sealing Plan <br />The enclosed sealing plan amendment, dated October 9, 2015, consisting of a cover <br />letter, 5 pages and 7 drawings addressing the permanent sealing of the mine portals and <br />shafts is hereby approved in accordance with 30 CFR §75.1711-1 and 75.1711-2. <br />This approval is site specific for permanent sealing of the mine portals and shafts <br />and will terminate upon completion of the project. <br />Prior to implementing the approved ventilation change, 48-hour notification must be <br />given, or sooner arrangements if granted by the field office supervisor, Joe Polson at <br />970-874-7637. The ventilation changes must be made in accordance with <br />30 CFR §75.324. <br />A copy of this approval shall be made available to the miners and reviewed with all <br />ruiners affected by this plan. <br />If you have any questions please contact Carol Miller at 970-874-7637 ext.111. <br />Sincerely, <br />ris <br />. Riley <br />ct Manager <br />Enclosure <br />cc: Ben Godwin <br />