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America's 'Largest Prehistoric Earthen Mound' Is An Otherworldly Attraction In IllinoisA portion of the site's defensive wall, known as the palisade, has been reconstructed ... The site educates the public about Native American history and culture, fostering a deeper appreciation ...
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Palisade Head in Minnesota at Tettegouche State Park 2024Palisade Head is considered a geological wonder. It was formed by ancient lava flows that were hardened over millions of years. It’s also known to have been used by early Native American tribes ...
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