A ROOF FALL OCCURED IN ENTRY #2 OF THE SOUTH EAST SUB MAIN AT SURVEY STATION 6 & 30. THE FALL MEASURED 20' LONG X 20' WIDE X 9' THICK. THIS AREA HAD BEEN BOLTED WITH 5' FULLY GROUTED & 9' DOUB LE LOCK BOLTS. ALL APPROACHES TO THIS AREA WILL BE TIMBERED OFF.