9000-year-old ‘Stonehenge-like’ structure discovered at the bottom of Lake Michigan

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Interesting!
Among them, a particularly notable rock stands out. It measures three and a half to four feet tall and five feet wide, and features a carving of a mastodon—a testament to an era when these majestic creatures roamed the Earth.
 
“Recently unearthed”. That was 17 years ago.

“A boulder about three and a half to four feet high and five feet wide was found with a prehistoric carving of a mastodon etched into the stone. Both animals have been extinct for about 11,00 years. (CREDIT: Pinterest)”
Is the boulder the second animal and boulders have been extinct for…how many years is that, 11,00?

Thumbs up for the discovery and piece of history
Thumbs down for the article writing
 
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