A FALL OCCURRED IN SOUTHWEST MAIN#1 ENTRY AT 90 1/2 XCUT TO 92 1/2 XCUT. ESTIMATED SIZE OF FALL 80' LONG, 20' WIDE, 7' HIGH. FALL WAS FOUND ON THE WEEKLY AIRCOURSE EXAMINATION. ALL ACCESSES WE RE TIMBERED AND DANGERED OFF. SIZE OF FALL WAS ESTIMATED BECAUSE AREA WAS GOBBED WITH ROCK FROM CUTTING OVERCAST.