AN UNINTENTIONAL ROOF FALL OCCURRED AT #57 BRK 20' INBY SPAD #5920. SIZE APPROXIMATELY 4'H X 17'W X 25'L. NO INJURIES, VENTILATION WAS NOT INTERRUPTED, NO EQUIPMENT WAS CAUGHT. THE AREA HAD BEEN SUPPORTED WITH 4' FULLY GROUTED RESIN BOLTSFALL OCCURRED IN THE #6 ENTRY (INTERSECTION).