River Features

738 features documented along the Columbia and Snake Rivers — towns, geological landmarks, river junctions, dams, bridges, and Lewis & Clark expedition campsites and sightings. All entries contributed by Robert Heacock (1957–2025).

Columbia River

Snake River

Memorial Contribution · Robert Stuart Heacock (1957–2025) compiled this data using USACE nav charts and his own field observations as historian aboard cruise boats on the Columbia and Snake. We are grateful to the Heacock family for permission to publish his work. Read more about Robert on his contributor page or at lewis-clark.org.

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