RedactedNarrative: Vessel 1 was headed down river and vessel 2 was headed up river when they collided.  Operator of vessel 1 stated when they were about to pass one another vessel 2 took a hard, sharp left turn into his vessel.  Vessel 2 operator stated vessel 1 came flying around curve sliding sideways and he could not get out of the way.  Damage estimate to vessel 1 was on port side valued at $3,000.  Vessel 2 damage was $500 with whole front of boat crushed.  Operator of vessel one said he had cut on his leg and hand was sore.  Occupant of vessel 2 complained of back pain.  Both refused treatment by AMR.