AN UNINTENTIONAL ROOF FALL OCCURRED IN THE 4 WAY INTERSECTION OF ENTRY #5 AT 62+60. THE FALL: 25 FT LONG, 25 FT WIDE AND 8 FT THICK. DID NOT IMPAIR VENTILATION OR IMPEDE TRAVEL. THE ROOF WAS S UPPORTED BY 4', 6' AND 8' ROOF BOLTS. THE INTERSECTIOM WAS DEVELOPED IN MAY 2001.