A ROOF FALL OCCURRED IN THE #1 ENTRY OF THE #2 LEFT PANEL MEASURING 18' WIDE X 210' LONG X 8' HIGH. THE FALL BEGAN 10 FT INBY SPAD #1866 EXTENDING 3 CROSSCUTS INBY AND THROUGH THE CROSSCUT TO THE #2 ENTRY. NO EQUIPMENT WAS INVOLVED. THE VENTILATION WAS NOT DISTURBED. THE WAS NO INJURY INVOLVED. THE FALL WILL NOT BE CLEANED UP.