A FALL WAS DISCOVERED IN THE #3 ENTRY OF 1 LEFT OFF 1 RIGHT SUB-MAINS OFF 2 EAST (1 BREAK OUTBY SURVEY STATION #905). THE FALL APPEARS TO BE A CONTINUATION OF A PILLAR FALL AND IS ESTIMATED TO BE 90' LONG X 19' WIDE X 12' HIGH. THERE WERE NO INJURIES NOR EQUIPMENT INVOLVED. PASSAGE OF PERSONS WAS NOT AFFECTED AND VENTILATION WAS NOT AFFECTED.