Columbia River

Flandersville

Mile 47.0 Right Bank

Source Data

Right bank: Flandersville

Notes: Mt St Helens

Memorial Contribution Documented by Robert Heacock (1957–2025), from Wind Hard from the West: The Lewis and Clark Expedition on the Snake and Columbia Rivers (2015), used by permission of his family.

Our Partners

Follow the research

New findings, additions, and corrections from the archive. One email a month, no noise.