Columbia River basin site shows early evidence of first Americans

Stone tools and artifacts unearthed from an archeological dig in Idaho suggest that people lived in the area 16,000 years ago, more than a thousand years earlier than previously thought.

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Columbia River - Wikipedia

Columbia River basin site shows early evidence of first Americans

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Columbia River

Columbia River basin site shows early evidence of first Americans

Columbia River, Location, Length, History, & Facts

Columbia River basin site shows early evidence of first Americans

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Columbia River basin site shows early evidence of first Americans

Native American culture of the West (article)

Earliest evidence for humans in the Americas