A ROOF FALL WAS FOUND IN THE INTERSECTION OF #3 ENTRY, MAIN SOUTHWEST, MEASURING 40' LONG, 20' WIDE, AND APPROX. 6' HIGH. THIS AREA IS PART OF THE RETURN, MINED IN 5/31/91. THERE WERE NO INJUR IES, BLOCKAGE OF PERSONNEL. VENTILATION WAS NOT AFFECTED. LOCATION -> 50 + 90, X-CUT 73, MAIN SOUTHWEST