WHILE CONDUCTING HIS WEEKLY AIRWAY EXAMINATION THE FIRE BOSS IDENTIFIED A ROOF FALL IN THE OLD NORTH MAINS RETURN. THE FALL MEASURED 19'L X 50'W X 4'H. THE AREA WAS MINED APPROX. 12/8/06 ON 80' X 80' CENTERS. THE AREA WAS SUPPORTED WITH 4' RESIN BOLTS. THE AREA HAS BEEN DANGERED OFF AND TIMBERS HAVE BEEN SET.