"Cahokia was not only the earliest urban site north of Mexico but also the only one to exist before arrival of peoples from the old world. Archaeologists see Cahokian origins as arising in the upper reaches of the Ohio Valley whose peoples built burial and effigy mounds, intensified agriculture with both native species and a few borrowed from Mexico, and built an exchange network that reached from the Rocky Mountains eastward to the Appalachians and from the Great Lakes south to the Gulf of Mexico. (back cover.)."
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This is a placeholder reference for a Place entity, related to a WorldCat Entity. Over time, these references will be replaced with persistent URIs to VIAF, FAST, WorldCat, and other Linked Data resources.