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Author Topic: Rock Art  (Read 1214 times)

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  • Location: Minnesota
Re: Rock Art
« Reply #15 on: June 20, 2019, 02:27:38 am »
In southwest Minnesota, we have some which have been dated to quite a long time ago due to atlatls and other tools depicted. Jeffers Petroglyphs

An interesting time machine.

https://www.minnpost.com/mnopedia/2019/03/minnesotas-recorded-history-begins-at-the-jeffers-petroglyphs/
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