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v • d • e Columbia River

Provinces & states traversed	British Columbia · Washington · Oregon	Construction of The Dalles Dam would flood Celilo Falls in 1957

Features	Tributaries · Dams · Cities

Geology	Columbia River Basalt Group · Missoula Floods · Bonneville Slide · Bridge of the Gods (geologic event) · 1700 Cascadia earthquake · 1980 eruption of Mount St. Helens

History	Celilo Falls · Robert Gray exploration · Lewis and Clark Expedition · David Thompson · Astor Expedition · Fort Vancouver · Columbia River Treaty · Columbia Basin Project · Hanford Site · Sohappy v. Smith · Boldt Decision

Ecology & culture	Pacific salmon · Woody Guthrie · Confluence Project