EE WAS REMOVING STUCK ROCK AND DEBRIS FROM THE CUTTER HEAD ON DIXIE DREDGE. IN THE PROCESS OF KNEELING DOWN TO DISLODGE A ROCK WITH A SLEDGE HAMMER, HE BUMPED HIS RIGHT KNEE ON THE ANGLE IRON THAT IS USED AS A TOE KICK ON THE CATWALK. ON 3-5-04 HE DECIDED THAT HE SHOULD BE CHECKED BY A DOCTOR.