DURING THE WEEKLY EXAMINATION A ROOF FALL WAS DISCOVERED IN THE NO. 1 NORTH RETURN, 1 BREAK INBY SURVEY STATION NO. 669. THE FALL MEASURED APPROXIMATELY 20' LONG BY 20' WIDE BY 4-1/2' HIGH AND IS LOCATED 2-1/2 MILES OUTBY THE WORKING SECTION. THERE WERE NO INJURIES OR EQUIPMENT INVOLVED. VENTILATION WAS NOT AFFECTED.