"Federal archaeologists are investigating a very old jawbone that turned up Monday along the Columbia River in Kennewick. The human remains were found a short distance from where Kennewick Man was discovered in 1996.

Those ancient remains sparked a decade of legal conflict. But it's too early to say what might happen this time around.

The jawbone with six worn teeth was spotted in shallow water by a jail work crew doing routine park cleanup. Kennewick Police and the Benton County, Washington coroner quickly determined the bone belongs to an adult human, but is too old to connect to any modern crime.

So archaeologists from the U.S. Army Corps of Engineers took jurisdiction. They're the landowner."

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Old Jawbone Found Near Kennewick Man Site (Oregon Public Broadcasting 10/25)