EMPLOYEE WAS PREPAIRING TO PUT SUPPLIES BACK ON THE SERVICE SCOOP WHEN A PIECE OF DRAW ROCK APPROX 1' BY 1' BY 2' FELL STRIKING HIS KNUCKLE OF HIS LEFT HAND RING FINGER. HE WAS TRANSPORTED TO CAMC WHERE HE WAS DIAGNOSED WITH A FRACTURE. THEINJURY WAS SPLINTED. HE RETURNED TO WORK THE NEXT SHIFT.