AN UNINTENTIONAL ROOF FALL OCCURRED IN THE #1 ENTRY, INBY THE LAST OPEN CROSS CUT, IN THE 001 WORKING SECTION. THE ROOF FALL WAS 42'LONG,18 & 1/2'WIDE AND 6'HIGH. THE ROOF FALL WAS CLEANED UP AND THE AREA WAS RE-SUPPORTED WITH 6'FULLY GROUTED ROOF BOLTS AND INDICATED NO ADVERSE ROOFCONDITIONS. THE ROOF MATERIAL CONSISTED OF FINELY LAMINATED SANDY DARK GRAY SHALE.