AN UNINTENTIONAL ROOF FALL WAS DISCOVERED IN THE #6 ENTRY #8 MAINS 1 BRK IN BY SPAD #2080. IN THE INTERSECTION EXTENDING ACROSS TOWARD #5 ENTRY. SIZE OF FALL (25L BY 50-60W BY 4-6H) AREA HAD B EEN SUPPORTED WITH 4' FULLY GROUTED RESIN BOLTS.NO INJURIES, NO EQUIPMENT CAUGHT, VENTILATION WAS NOT INTERRUPTED.