WHILE MAKING A PRE-SHIFT EXAM, A ROOF FALL WAS FOUND 9 X-CUTS FROM ELEVATOR ALONG THE 1 NORTH TRACKWAY. THE FALL MEASURED 30'LONG, 20'WIDE, 5'HIGH. THE AREA WAS MINED IN THE EARLY 80'S AND BOL TED WITH 8' CONVENTIONAL BOLTS. NO INJURY OR PROPERTY DAMAGE WAS REPORTED.