Columbia River
Tenasillahe Island / Elochoman Slough
Source Data
Left bank: Tenasillahe Island
Right bank: Elochoman Slough
Notes: Cathlamet- marina
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.
