image of Ρόμπερτ Σίλβερμπεργκ

Ρόμπερτ Σίλβερμπεργκ

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In Illinois, the one-hundred-foot Cahokia Mound spreads impressively across sixteen acres, and as many as ten thousand more mounds dot the Ohio River Valley alone. The Mound Builders traces the speculation surrounding these monuments and the scientific excavations which uncovered the history and culture of the ancient …

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