AN UNINTENTIONAL ROOF FALL MEASURING 20' IN LENGTH 18' WIDE AND 4.5' HIGH WAS DISCOVERED WHILE PERFORMING WEEKLY EXAM. ALL ENTRANCES TO THIS AREA HAVE BEEN TIMBERED. THIS AREA WILL BE REHABILI TATED. THE FALL OCCURRED IN THE #3 ENTRY, 12,000' OUTBY THE WORKING FACE.