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Period: 200,000 BCE to 13,000 BCE
Early Human Migration
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20,000 BCE
Ice Age
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17,000 BCE
De-Glaciation of Alaskan Coastline
“We now know that the glaciers may have blocked the coastal route for a few thousand years. However, these glaciers retreated around 17,000 years ago, which opened the door for human migration along the coast.” (Smithsonian, Lesnek)
