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U.S. DEPARTMENT OF LABOR <br />MINE SAFETY AND HEALTH ADMINISTRATION <br />Mailing Address: Sweet Address: <br />• P.O. Box 25367, DFC 730 Simms <br />Denver, Colorado 80225 Lakewood, Colorado <br />Coal Mine Safety and Health <br />District 9 <br />September 17, 1979 <br />Ralph Audin <br />Safety Director <br />Western Slope Carbon Inc. <br />Somerset, Colorado 81434 <br />4lp,~„'[ti70!( G <br />'/ <br />c ~ ~ <br />i ~ <br />~~ <br />.os?nres d~'~ta <br />Re: Hawks Nest East Mine <br />I.D. No. 05-00293 <br />Ventilation Plan Amendment <br />Dear Mr. Audin: <br />The amendment for the subject mine submitted September 6, 1979, has <br />been approved in accordance with Section 75.316, 30 CFR 75. The plan <br />• is subject to review and possible revision at any time and any changes <br />proposed to the plan shall be approved by MSHA prior to implementation. <br />This approval will expire March 1, 1980. These fire doors should be <br />inspected daily and a record kept of the inspection. <br />Sincerely yours, <br />~~~ <br />John Barton <br />District Manager <br />Enclosure <br />• <br />