A ROOF FALL HAS OCCURRED ON THE 003-0 SECTION IN THE #4 ENTRY, 6000 FT FROM THE ACTIVE FACE. THE FALL MEASURED 25 FT WIDE 18 FT LONG AND 6 FT THICK. VENTILATION, PASSAGE OF PERSONS, NOR EQUIPM ENT WAS AFFECTED. AREA WILL NOT BE REHABILITATED. TIME OF FALL IS UNKNOWN.