A ROOF FALL HAS OCCURRED ON THE 001-0 SECTION IN THE #4 ENTRY, 50 FT FROM THE ACTIVE FACE. THE FALL MEASURED 19 FT WIDE, 100 FT LONG, AND 6 FT THICK. EQUIPMENT, VENTILATION, NOR PASSAGE OF MEN WAS AFFECTED. NO INJURIES WERE REPORTED. THIS AREA WILL NOT BE REHABILITATED.