HAD SMALL ROOF FALL 1 BREAK ABOVE SPAD #4076 IN THE INTAKE AIR COURSE #4 ENTRY IN A TRANSITION AREA OF SLATE TURNING TO SANDSTONE (FAULTY AREA). THE FALL WAS APPROX 5'HIGH, 18'WIDE AND 20'LONG. BOLTED WITH 4'5/8 RESIN BOLTS. IT'S NOT GOING TO BE CLEANED UP. WE HAVE A SAFER TRAVEL WAY AROUND IT AT TIME OF INVESTIGATION AND IT IS NOT RESTRICTING THE AREA.