A FALL OF ROOF OCCURED IN THE WEST MAIN ENTRIES IN THE #8 ENTRY AT X CUT #44 APPROX. 7275 FT OUTBY #1 UNIT. THE FALL WAS APPROX. 80'X18'X7' THE AREA WAS SUPPORTED WITH 6FT FULLY GROUTED BOLTS AND SUPPLEMENTAL SUPPORTS OF CRIBS. DATE OF DEVELOPMENT WAS 10-11-98. CAUSE OF THE FALL WAS A HIDDEN SLIP.