Columbia River
Seufert Cann./15 mile Cr. / Big Eddy-Spearfish Lake
Lewis & Clark Event
Camp · April 18, 1806
Source Data
Left bank: Seufert Cann./15 mile Cr.
Right bank: Big Eddy-Spearfish Lake
Notes: L camp 4/18/1806
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.
