RedactedNarrative: V1 WAS TRAVELLING NORTH ON THE COLORADO RIVER BEHIND V2.  V2 SLOWED DOWN BUT THE OPERATOR OF V1 DID NOT AND STRUCK THE BACK OF V2.  BOTH OPERATORS WERE INJURED.
NameOfBodyOfWater: COLORADO RIVER-BULLHEAD CITY
NearestCityTown: Bullhead City, AZ             