The Pottawatomie County Sheriff's Office and Office of the Chief Medical Examiner are investigating after fisherman found a human jawbone along the South Canadian River south of Wanette.

The Pottawatomie County Sheriff's Office and Office of the Chief Medical Examiner are investigating after a fisherman found a human jawbone along the South Canadian River south of Wanette.

Undersheriff Travis Palmer said the civilian found the remains near the Byars bridge and initially went to the Garvin County Sheriff's Office.

Further inquiry revealed that the bone was found on the north side of the river, which put it in the jurisdiction of Pottawatomie County, Palmer said.

The remains, which include the jawbone with about eight teeth, has been confirmed to be human, he said, but there's no certainty that any foul play is involved in the discovery.

Palmer said the medical examiner's anthropologist will determine how old the remains are.

He said it's possible the remains were washed into that area by flooding over the years, and could possibly even be remnants from an old Native American burial ground.

“The river has cut out so much and changed course,” Palmer said, adding all those changes could have disturbed a burial site.

“There are a number of things it could be,” he said, adding this is the early stages of the investigation.

The medical examiner should be able to get DNA from the teeth, Palmer said, and possibly compare that to databases involving missing persons.

Watch for updates.