Columbia River

Lord Island / Westlake Chemical

Mile 63.9 Both Bank

Source Data

Left bank: Lord Island

Right bank: Westlake Chemical

Notes: Mt St Helens- Mt Rainier

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.

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