AN UNINTENTIONAL ROOF FALL WAS DISCOVERED IN THE #5 ENTRY 1 BRK IN BY SPAD #320 SIZE OF FALL WASESTIMATED TO BE 6' H BY 25' L BY 25' W (INTERSECTION). AREA HAD BEEN SUPPORTED WITH 6' FULLY GROUTED RESIN BOLTS. NO INJURIES, VENTILATION WAS NOT INTERRUPTED. FALL WILL NOT BE CLEANED UP.