When the Great Lakes were lower | Science News

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When the Great Lakes were lower

Early hunters once prowled now-submerged portions of Lake Huron, evidence suggests

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5:06pm, June 8, 2009

Sonar and video surveys of a long-flooded land bridge between Michigan and Ontario, Canada, reveal evidence of man-made structures that may have been used by hunters when water levels in the Great Lakes were much lower than they are today, researchers claim.

Between 8,300 and 11,300 years ago, when the North Am

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