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  • Cahokia's rise parallels onset of corn agriculture

    May 14, 2020 9:15 am by Diana YatesResearch
    Cahokia. Image courtesy Cahokia Mounds State Historic Site, painting by William R. Iseminger.

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    • Cahokia. Image courtesy Cahokia Mounds State Historic Site, painting by William R. Iseminger.

    Corn cultivation began in the vicinity of the Cahokia between A.D. 900 and 1000, researchers report. Its arrival may have contributed to the abrupt rise of this ancient metropolis in and around present-day St. Louis.