Snake River
Fishhook HMU / Big Flat HMU
Source Data
Left bank: Fishhook HMU
Right bank: Big Flat HMU
Notes: Fishhook Rapids
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.