RedactedNarrative: OPERATOR STATED HE WAS TRAVELING DOWN STREAM TRYING TO MANEUVER AROUND A LOG JAM IN THE CACHE RIVER.  THE BOAT BECAME LODGED SIDE WAYS IN THE JAM AND WATER STARTED COMING OVER THE STARBOARD SIDE OF THE BOAT.  THE BOAT FILLED WITH WATER QUICKLY AND OVERTURNED.  THE OPERATOR AND PASSENGERS WERE FORCED TO JUMP FROM THE BOAT.  THE BOAT IS STILL MOSTLY SUBMERGED AT THE SAME LOCATION AWAITING RIVER LEVELS TO SUBSIDE IN ORDER TO RETRIEVE THE BOAT.