EE HAD PICKED UP AN ACETELYNE BOTTLE TO PUT ON THE WORK BARGE TO DO SOME MAINT. WORK ON THE DREDGE. WHEN HE TURNED TO PUT THE BOTTLE ON THE WORK BARGE HIS LEFT HAND CAME INTO CONTACT WITH A PAD EYE WELDED ON TOP OF AN ADJACENT PONTOON. THE FORCE OF THE CONTACT CAUSED HIS LEFT INDEX FINGER TO SMASH & BUST OPEN. HE WAS TAKEN TO THE HOSPITAL WHERE 10 STITCHES WERE PUT IN