The Oklahoma Highway Patrol responded to a drowning in the Verdigris River.
The drowning happened just after 2 p.m. Sunday afternoon.
After a rod and reel fell into the water, authorities said the victim attempted to retrieve the pole and fell into the water.
The victim, identified as 50-year-old Alex Kimble of Muskogee, resurfaced once but did not resurface again.
Kimble was located via side scan sonar in approximately 21 feet of water.