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.

Columbia River - Wikipedia

Columbia River basin site shows early evidence of first Americans

The Cultural Landscape of Fort Vancouver National Historic Site: Indian Country, pre-1824 (U.S. National Park Service)

The First Americans – a story of wonderful, uncertain science

Impact of Dams on Native People Case Study

Lewis and Clark: Expedition, Purpose & Facts

The Columbia River Basalt Group - Exposed by the Ice Age Floods

Columbia River basin site shows early evidence of first Americans

New Evidence Complicates the Story of the Peopling of the Americas, TS Digest

History Columbia River Gorge

Map of the distribution and physiographic features of the Columbia

150 years ago, one of Oregon's first Indian boarding schools opened - OPB

The History of Native Americans in the Northwest