A roof fall was found on the South Mains ""A"" mainline belt inby 54 cross cut. Fall approx. 30 feet long, 18 feet wide and 12 feet above the normal roof horizon. Area was bolted with Install II bolts and resin assisted. The supplemental support consisted of bacon straps, wire mesh screen, steel beams and metal jacks. Cause of fall age that is was mined and weathering of the roof.