DURING REGULAR WEEKLY EXAMINATION OF AIRWAYS A ROOF FALL WAS DISCOVERED ON 7/31/00 AT APPROX 8:00 AM. THE FALL IS LOCATED IN #7 ENTRY OF #4 MAINS BEGINNING 1 BREAK IN BY SPAD 502 AND EXTENDING TO NEXT INTERSECTION IN BY #7 ENTRY. APPROX 90'LONG, 20' WIDE AND RANGING FROM 5-8' THICK. 8 CRIBS AND 8 TIMBERS WERE ALREADY PRESENT. ALL ACCESS TO FALL HAS BEEN CRIBBED OFF.