AN UNPLANNED ROOF FALL OCCURRED AT 1:00 AM ON 1-17-2000. THE ROOF FALL WAS FOUND ON THE 001-0 SECTION NEAR STATION SPAD #3401. THE FALL MEASURED 130' X 19' X 8'. NO EQUIPMENT WAS INVOLVED AND THERE WERE NO PERSONAL INJURIES. ALL ENTRANCES TO THE FALL HAVE BEEN BREAKERED OFF AND THE FALL WILL BE REHABILITATED.