A ROOF FALL OCCURRED IN THE 2 LEFT SECTION (001) IN THE #6 ENTRY 30' INBY STA. #1829. THE FALL WAS 50' IN LENGTH X 19' WIDE X 7'-8' HIGH. THE AREA WAS BOLTED WITH 3/4"" X 5' TORQUE TENSION BOLTS. NO MEN OR EQUIPMENT WERE INVOLVED. VENTILATION WAS NOT INTERRUPTED.