RedactedNarrative: At approximately 1700 on 31 May 2016, 2 Adult males on 2 separate 9 foot fishing pontoon boats drifting down South Fork Boise River between Danskin bridge and Neil bridge.  One male exited water just prior to Buffalo Run rapids.  The other male continued through the rapids.  The vessel capsized in the rapids sending the operator overboard.  
  
  The operator went under the water.  His left leg was broken in two places when it impacted a large boulder.  The other male went back into the water with his pontoon and attempted to retrieve the injured operator.  The injured operator attempted to climb on to the pontoon and capsized it in the process.  
  
  The injured operator managed to pull himself onto the shore, while the other exited the river and walked to the nearest road and contacted help.  The injured operator was rescued at approximately 0100 hours on 1 June 2016.