Cooper's Ferry is located at the bottom of a canyon near a bend in the lower Salmon River, at a site the Niimíipuu (Nez Perce) called Nipéhe, an ancient village.
Notes on verification
Confirmed by multiple independent, high-quality sources including scientific publications (Science.org, Springer) and reputable news outlets (Smithsonian, Sci.News), consistent with archaeological consensus on the site's location and cultural significance. [cascade flags: wikipedia_dropped_other_sources_exist | tier=silver indep_score=0.925 clusters=4 claim_tier=notable]
Sources
- 15,000-year-old Idaho archaeology site now among America's oldest (seed:history_and_archaeology)
- https://www.science.org/content/article/first-people-americas-came-sea-ancient-tools-unearthed-idaho-river-suggest (corroboration)
- https://www.sci.news/archaeology/coopers-ferry-tools-07546.html (corroboration)
- https://www.smithsonianmag.com/smart-news/idaho-site-shows-humans-were-north-america-16000-years-ago-180973024/ (corroboration)
- https://link.springer.com/rwe/10.1007/978-3-030-44600-0_220-1 (corroboration)