A FALL OF ROOF OCCURED IN THE #1 ENTRY INBY #16 BK ON THE 21 BUTT LONGWALL PANEL. THE FALL WAS 10FT LONG X 7FT HIGH AND 14FT WIDE. THE FALL WASFROM THE SHEILD TIPS TO THE CRUSHER ON THE LONG- WALL HEADGATE. NO EQUIPMENT WAS DAMAGED AND NO INJURIES OCCURED.