The operator was traveling northbound on the river when he encountered two boats traveling southbound.  One of the boats side swiped him and caused his vessel to collide with the wall.  The collision caused severe damage to the bow and the upper portion of the boat was separated from the lower portion of the boat.  No identifying information is available for the other boat involved.  The investigation continues.Case closed.  No further information that would recount the events that led up to the accident have been identified.  All resources have been exhausted and there is no means by which to come to a conclusion.
Chicago                       