CitationNational Geographic Society. "Arquelogical Map of Middle America." The National Geographic Magazine, 1968. https://maps.lib.utexas.edu/maps/atlas_mexico/noted_archeological_sites.jpg.
National Geographic Society. "Arquelogical Map of Middle America." The National Geographic Magazine, 1968. https://maps.lib.utexas.edu/maps/atlas_mexico/noted_archeological_sites.jpg.



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