A ROOF FALL WAS FOUND IN THE NO. 8 ENTRY AT SPAD NO. 49 OF THE EAST MAIN SECTION WHILE MAKING THE WEKKLY EXAM. ROOF FALL WAS 30 FT LONG AND 18 FT WIDE AND 5 FT HIGH. THE FALL WAS DANGERED OFF AND NOT CLEANED UP. THERE WERE NO INJURIES OR PROPERTY DAMAGE NOR WAS MAIN VENTILATION AFFECTED.