Archaeological finds from Cooper’s Ferry in Idaho indicate that humans occupied the region nearly 16,500 years ago. They may have come from Japan.
Other experts were split on how old the artifacts were and what they signify — not an unusual reaction in the contentious academic community studying early humans in the New World.
What does it all mean? For one thing, the researchers said, its age supports one side of a debate about just how the first Americans arrived.now-submerged land bridge called Beringia Davis said the new work indicates people were living in Idaho long before the corridor opened, citing other research that says it was open by about 14,800 years ago. The best explanation, Davis said, is that “they came down the coast and took a left-hand turn south of the ice, and went up the Columbia River Basin.”
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