A ROOF FALL OCCURRED IN THE 10TH EAST #7 ENTRY AT #170 CROSSCUT. THE FALL WAS 20' LONG 20' WIDE AND 8' HIGH. THE AREA WAS BOLTED WITH 8' POINT ANCHOR BOLTS. THE FALL DID NOT AFFECT VENTILATION , TRAVEL, DAMAGE EQUIPMENT, OR CAUSE ANY INJURY.NO ONE WAS REQUIRED TO WORK OR TRAVEL IN THIS AREA.