AN UNINTENTIONAL ROOF FALL WAS DISCOVERED BY THE MINE EXAMINER IN THE 2ND WEST MAINS, #6 ENTRY, BETWEEN X-C #9 AND XC# 10. THE FALL MEASURED APPROXIMATELY 60' L x 18' W x 4' TO 5' H. THE AREA WAS DANGERED OFF AND ADDITIONAL FLOOR TO ROOF SUPPORT WAS INSTALLED.