A ROOF FALL OCCURRED IN #10 ENTRY OF THE 7TH EAST AT THE 4380 STATION. THE FALL WAS 20' LONG, 25' WIDE, AND 8' THICK. THE FALL DIDN'T AFFECT TRAVEL, VENTILATION, DAMAGE EQUIPMENT, OR CAUSE ANY INJURY. THE AREA HAD BEEN BOLTED WITH 6 AND 8 POINT ANCHOR BOLTS.