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Mysterious Pyramids In Ohio? Inside Hopewell Culture And Serpent Mound
But the most recent evidence again supports the Adena culture as the first builders. Serpent Mound was built on a site where a meteor hit the earth about 300 million years ago. As for the shape of ...
The New York Times4y
ANOTHER SERPENT MOUND.; INTERESTING DISCOVERY NEAR THE CITY OF QUINCY, ILL.
From the Quincy (Ill.) Whig. TimesMachine is an exclusive benefit for home delivery and digital subscribers. Full text is unavailable for this digitized archive article. Subscribers may view the ...