A ROOF FALL OCCURRED BETWEEN #3 AND #4 ENTRIES OF THE MAIN WEST AT #9 CROSSCUT. THE FALL WAS 15' LONG 18' WIDE AND 6' HIGH. THE FALL DIDN'T AFFECT VENTILATION, TRAVEL, DAMAGE EQUIPMENT OR CAUS E ANY INJURY. THE AREA HAD BEEN BOLTED WITH 6' POINT ANCHOR BOLTS.