THE EE WAS HELPING TO DISMANTLE THE DREDGE WHEN DOING SO HE MOVED A FLANGED PIPE THAT SLID AND TIPPED OUT OF THE SADDLE PINCHING AND SEVERING THE END OF THE EE'S RIGHT THUMB BETWEEN THE PIPE FRAME AND CORNER OF THE DREDGE CABIN. THE EE HAD SURGERY ON 9-6-02 TO PIN BONE ON THE END OF THE THUMB.