A FALL OF ROOF OCCURRED IN THE HOIST TRACK ENTRY JUST INBY THE STEEL TUNNEL OUTBY #1 CROSSCUT. FALL WAS 4 1/2 FT HIGH X 16 FT WIDE X 8 FT LONG. NO EQUIPMENT INVOLVED NO PROPERTY DAMAGE AREA WA S BOLTED WITH 6 FT RESIN BOLTS, WOODEN CROSS BARS ON LEGS BOLTED TO ROD AND AREA WAS GUNITED FROM TUNNEL LINER INBY.