DURING A WEEKLY AIRCOURSE EXAM A FALL WAS FOUND 30' OUTBY STATION #39 IN #1 ENTRY OF SWM. THE FALL MEASURED 40' LONG, 18'-20' WIDE AND 5' HIGH. THE AREA WAS BOLTED WITH 48"" FULLY-GROUTED RESIN BOLTS WITH 6"" X 6"" AND 6"" X 16"" PLATES. NO MEN OR EQUIPMENT WERE INVOLVED. VENTILATION WAS NOT INTERRUPTED.