A ROOF FALL WAS DISCOVERED IN THE #2 ENTRY OF SW MAINS 10' OUTBY S.S. 739 & 600' OUTBY FACE. THE FALL MEASURED UP TO 12' THICK, 50' LONG & 18' WIDE. NO INJURIES, NO BLOCKAGE OF VENTILATION OR ESCAPEWAY, NO EQUIPMENT INVOLVED. WILL NOT BE CLEANED UP - TIMBERED OFF & DANGERED.