A ROOF FALL OCCURRED IN THE BREAK BETWEEN THE NO.4 AND 5 ENTRIES. THE FALL MEASURED APPROX 40' LONG BY 16-18' WIDE BY 6' THICK AND FELL ADJACENTTO SURVEY STATION NO.668 IN THE 2ND LINE OF OPEN BREAKS OUT BY FACES. THE FALL OCCURRED IN A FAULT AREA LYING ACROSS THE SECTION AND HAD BEEN SUPPORTED WITH 60"" AND 84"" CONVENTIONAL ROOF BOLTS.