RedactedNarrative: On 3/23/15, victim launched his kayak at Prewett Creek Fishing Access site on the Missouri River. victim was out for a day of fishing on his float.
  About 100 yards downstream his anchor rope caught on a rock and it caused the kayak to flip over. victim was wearing waders and sunk to the bottom of the river around 11 am. victim got out of his waders and swam to shore. He feared hypothermia and drove himself to the hospital in Great Falls. He was not admitted but had his vitals checked. He changed clothes and returned to Prewett Creek FAS to find his kayak.
  During this time a homeowner found the kayak and trash in the water near the Fishing Access site and retrieved them. He called Cascade County dispatch to report a possible boat accident. Around 2 pm FG 420, FG 410. FG 411, FG 414 and FG 440 responded. The jet boat was in route to the scene when victim arrived back at the Fishing access site.