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U.S. DEPARTMENT OF LABOR <br />• MIRE SAFEIY AXD HEALTH ADMI\ISTR.AT10\' <br />Mailing Address. Street .Address. <br />P.O. Box 25367, DFC 730 Simms <br />Denver, Colorado 80225 Lakewood. Colorado <br />Coal Mine Health & Safety <br />District 9 <br />July 11, 1979 <br />Mr. Ralph Audin <br />Safety Director <br />Western Slope Carbon <br />Somerset, CO 81434 <br />Re: Roof Control Plan <br />Hawk's Nest East Mine, I.D. #05-00293 <br />Hawk's Nest West Mine, I.D. X05-00257 <br />Dear Mr. Audin: <br />Your new roof control plan dated June 22, 1979, has been <br />• reviewed and is approved. As agreed upon in your letter of <br />June 26, 1979, bolt spacing shall be: five foot centers in <br />sandstone top, and four foot centers in shale top. This <br />plan supercedes all previous]y approved roof control plans, <br />addendums and changes. As required by 30 CFR, 75.200, the <br />plan must be reviewed by MSHA every six months. <br />Sincerely, <br />it ~'%~i°-• ° ~'r <br />~~- `t <br />John W. Barton <br />District Manager <br />¢~ ~6 <br />v ~ I 9 <br />~ < <br />z ®_, - <br />;mac-- ~.° <br />• <br />