A ROOF FALL OCCURRED OUTBY ON THE #4 UNIT IN ENTRY #6 AT 8 X-CUT. THE FALL IS 30'LONG, 18' WIDE, 10' HIGH. THE FALL WAS IN A NEUTRAL ENTRY IN AN INTERSECTION. THE FALL AREA WAS SUPPORTED WITH 6' AND 10' POINT ANCHOR ROOF BOLTS. THE FALL WILL NOT BE CLEANED UP.