A ROOF FALL OCCURRED IN 27 CROSSCUT OF THE MAIN EAST BETWEEN THE BELT AND TRAVELWAY, THE FALL WAS 12' LONG, 18' WIDE AND 6' HIGH. THE FALL DID NOT AFFECT VENTILATION, TRAVEL, DAMAGE EQUIPMENT, OR CAUSE ANY INJURY. THE AREA WAS BOLTED WITH 6' POINT ANCHOR BOLTS.