AT APPROXIMATELY 10:30 AM ON SEPTEMBER 17, 2005 A ROOF FALL WAS DISCOVERED AT THE 3 + 00 SURVEY STATION OF THE MAINLINE JUST INBY THE BENTWOOD PORTAL DRIFT OPENING. THE FALL MEASURED APPROX. 17' WIDE X 40' LONG X 15' TO 20' HIGH. THERE WERE NO INJURIES REPORTED AS A RESULT OF THE FALL.