A ROOF FALL WAS DISCOVERED IN THE NO. 5 ENTRY OF THE 3-LEFT OFF A WEST PANEL. THE FALL WAS LOCATED IN AN INTERSECTION, ONE (1) BREAK OUTBY SURVEY STATION NO. 1171. FALL MEASURED APPROX. 5-8' HIGH X 15-20' WIDE X 30' LONG. VENTILATION & THE PASSAGE OF PERSONS WAS NOT AFFECTED. THERE WERE NO INJURIES, NO EQUIPMENT INVOLVED. THE FALL WILL NOT BE CLEANED UP.