THE ABOVE MENTIONED MINE HAS EXPERIENCED A NON-INJURY, UNINTENTIONAL ROOF FALL IN #3 ENTRY ON MMU 013-0 2 CROSSCUTS INBY SPAD # 4140 DURING RETREAT MINING. THE ROOF FALL TRAPPED THE CONTINUOUS MINER AND 15 FEET OF THE FRONT BRIDGE. IT IS UNDETERMINED OF THE DAMAGE TO PROPERTY AT THIS TIME.