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.

The Ethical Battle Over Ancient DNA – SAPIENS

Did the First Americans Arrive by Land or by Sea? - The Atlantic

The First Americans – a story of wonderful, uncertain science

Comprehensive Plan for the Development of the Columbia River Basin - Barry Lawrence Ruderman Antique Maps Inc.

Biden Administration Commits $200 Million to Help Reintroduce Salmon in Columbia River — ProPublica

Scientists say they've confirmed evidence that humans arrived in the Americas far earlier than previously thought

Overlanders in the Columbia River Gorge, 1840-1870: A Narrative History (U.S. National Park Service)

American History Timeline: 1783-1800

PDF) Paleodrainage of the Columbia River system on the Columbia Plateau of Washington State: A summary

First Peoples Migration - Brady Bennon, Library

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Columbia River Tour

Columbia River, Location, Length, History, & Facts

Scientists say they've confirmed evidence that humans arrived in the Americas far earlier than previously thought