Images from Lewis and Clark: Just another cog in the wheel of history
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by Copyright art Grossmann, St. Louis, Cahokia Mounds Museum Society, courtesy of University of Chicago Press
Lewis and Clark passed within miles of Cahokia, the largest town in pre-Columbian North America, located near modern-day St. Louis. Between 900 A.D. and 1500 A.D., Cahokia was a political, economic and ceremonial center that may have supported more than 3






