A scientist who studies the ancient skeleton known as Kennewick Man says he wasn't from the Columbia River valley where his bones were buried.

Smithsonian anthropologist Doug Owsley told tribal representatives that isotopes in the bones indicate Kennewick Man was a hunter of marine mammals, such as seals. He lived most of his life on the coast.

Owsley met Tuesday at Central Washington University in Ellensburg with representatives of tribes who claim the bones and say they should be reburied. Owsley says there's no genetic relationship to Native Americans.

The bones found in 1996 are more than 9,300 years old and represent one of the oldest and most complete set of bones in North America. They are held at the Burke Museum in Seattle.

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