A ROOF FALL OCCURRED IN ENTRY #1 OF THE SOUTH EAST MAINS @ SURVEY STATION 22+40. THE FALL MEASURED 80' LONG X 19' WIDE X 10' THICK. THE AREA HAD BEEN BOLTED WITH 6' FULLY GROUTED AND 9' DOUBLE LOCK BOLTS. ALL APPROACHES TO THIS AREA WILL BE TIMBERED OFF.