AN UNINTENTIONAL ROOF FALL WAS DISCOVERED ON 9-11-00 AT 0450 ON THE D-3 MAINS TRACK (NO. 4 ENTRY), 2 BREAKS INBY SURVEY STATION NO. 3669. THE FALL WAS APPROX 18' WIDE X 70' LONG X 8-10' HIGH. THE AREA CONTAINED 5' RESIN TENSION BOLTS & CRIBS IN THE XCUTS FOR ADDITIONAL SUPPORTS. THE AREA WAS DEVELOPED 2/99. THE FALL CAVITY WAS RESUPPORTED TO PLAN & CLEANED UP.