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unusual facts about Ruth Shady


Ruth Shady

In 2001, Shady and others published radiocarbon dates from the site of Caral in the Supe Valley of Peru, indicating that monumental corporate architecture, urban settlement, and irrigation agriculture began in the Americas by 4090 years before the present (2627 calibrated years B.C.) to 3640 years before the present (1977 calibrated years B.C.).



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