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9,000 Years Old Structure Under Lake Michigan

Mark Holley, at Northwestern Michigan University, first came across a rock that he said bears a prehistoric carving of a mastodon. On further investigation, he discovered a Stonehenge-like arrangement of ancient stones.

They stand 40 feet below the water’s surface, and the stones are some 9,000 years old, making this one of the oldest structures ever discovered in North America.

#Native #Indigenous #Mastodon
news.artnet.com/art-world/preh