ROOF FALL WAS DISCOVERED ON THE A-2 MAINS TRACK ~45' INBY SURVEY STATION NO. 320. FALL ~30' LONGX 18' WIDE X 7-8' HIGH. IT CONTAINED 6' RESIN BOLTS, STEEL & WOOD CROSS BARS. THE AREA WAS DEVEL OPED JAN. 1998. THE CAVITY WAS RESUPPORTED & THEFALL WAS CLEANED UP.