A GROUND FALL OCCURRED IN THE CRANE BAY #3 AFTERA SLAB ROUND HAD BEEN BLASTED AND BOLTED. THE FALL WAS APPROX 500 TONS, WITH AN AVERAGE HEIGHT OF 10 FT. WIDTH 10 FT AND LENGTH 60 FT. NO PERSO NS WERE AFFECTED, HOWEVER A CANNON BOLTER WAS PARKED IN THE AREA AND IS STILL BURIED.