Columbia River

End of McNary Pool / End of McNary Pool

Mile 343.0 Both Bank

Source Data

Left bank: End of McNary Pool

Right bank: End of McNary Pool

Notes: Horn Rapids Rd-Dock-USS Triton

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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