A ROOF FALL HAS OCCURRED ON THE 001-1 SECTION INTHE NUMBER 6 & 7 CROSSCUT. THE FALL WAS 1500'FROM THE ACTIVE FACE IN THE RETURN AIRWAY. THE FALLMEASURED 20'WIDE X 90'LONG X 10'THICK. VENTILATI ON, EQUIPMENT, NOR PASSAGE OF PERSONS WAS AFFECTED. THIS AREA WILL NOT BE REHABILITATED.