A FALL OF ROOF OCCURRED AT 21BK ON THE 21 BUTT INTAKE #2 ENTRY. THE FALL WAS IN THE INTERSECTION AND WAS 25 FT LONG X 16 FT WIDE X 7-8 FT HIGH. FALL WAS OUTBY THE SECTION AND NO EQUIPMENT WAS INVOLVED AND NO INJURIES OCCURRED. AREA WAS SUPPORTED TO PLAN.