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.' _-sue <br />U. S. Department of Labor <br />• <br />May 21, 1980 <br />~i.. i~~ <br />Mine Safety and Health Administr:,tion <br />P O Box 25367 <br />Denver, Colorado 80225 <br />Coal Mine Safety and Health <br />District 9 <br />Mr. John M. Walters <br />Field Mining Engineer <br />Sheridan Enterprises, Incorporated <br />P. 0. Drawer L <br />Fruita, Colorado 81521 <br />Re: Munger Canyon Test Site, I. D. No. 05-03119 <br />Roof Control Plans <br />Dear Mr. iJalters: <br />The letter submitted May 12, 1980, has been reviewed and appended to the <br />currently approved plans. <br />Sincerely, <br />~~f~~ <br />~~-District Manager <br />~~' <br />~.... <br />~~~ i°lAY 23 1980 <br />~~ <br />• <br />_.------ r.~ <br />11 Lt ~~iiZ~l~ ~~ IL <br /> <br /> <br /> <br />