A ROOF FALL OCCURRED IN THE INTERSECTION JUST INBY SPAD 1551 OF THE 6 LEFT SECTION: NO VISIABLE SIGNS OF CUTTERS OR CLAY BEINS. AREA WAS BOLTED WITH 42"" #6 REBAR TENSION REBAR BOLTS. INITIAL C AVE WAS APX 5'HIGH, 18'WIDE, 18'LONG. AT 6:30 AM CAVE EXTENDED OUTBY APX 100' - 18'WIDE, 7'HIGH.