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Cooper's Ferry

An Idaho site on the Lower Salmon River where a stemmed-point tool assemblage is dated to about 15,800 years ago, predating Clovis.

Dated events and their evidence

• 13,785 BCE mainstream
  Western Stemmed Tradition tool assemblage dated at Cooper's Ferry source

Where

45.9060° N, 116.3960° W

Sources

• https://doi.org/10.1126/sciadv.ade1248
• https://en.wikipedia.org/wiki/Cooper%27s_Ferry_site

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