AN UNINTENTIONAL ROOF FALL WAS DISCOVERED BY MINE EXAMINER IN NORTH SUB-MAINS, X-C 17, #2 ENTRY. THE FALL MEASURED APPROX. 14'W x 14'L X 5.5'H. THE FALL WAS A CONTINUATION OF A PREVIOUS ROOF FALL IN THE X-CUT. THE FALL OCCURRED IN AN AREA BOLTED WITH 5' BOLTS. OPERATOR VOLUNTARILY CHANGED TO 6' BOLTS SOME TIME AGO.