AN UNINTENTIONAL ROOF FALL WAS DISCOVERED IN THE #1 ENTRY BETWEEN #10 AND #11 CROSS CUT IN BY C1 HEAD DRIVE. SIZE OF FALL WAS ESTIMATED TO BE 18' W BY 55' L BY 8' H. AREA HAD BEEN SUPPORTED WITH 4' FULLY GROUTED RESIN BOLTS WITH SUPPLEMENTAL SUPPORT CONSISTING OF 8' CABLE BOLTS. NO INJURIES, NO EQUIPMENT CAUGHT, VENTILATION NOT INTERRUPTED.