A FALL OF ROOF OCCURRED IN THE WEST MAINS AT X CUT AS IN THE #5 ENTRY. THE FALL WAS APPROX. 20'LX20'WIDEX7-8' THICK. THE AREA WAS SUPPORTED WITH 6FT FULLY GROUTED BOLTS AND TRUSS BOLTED. THE A PPROX. OF DEVELOPMENT WAS 9-28-98 AND THE DISTANCE FROM THE SECTION WAS 10,500 FT ADEQUATE WARNING WAS GIVEN.