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alcott1: Cahokia Mounds State Historic Site Interpretive Center
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alcott1: Cahokia Mounds State Historic Site Interpretive Center
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alcott1: Cahokia Mounds State Historic Site Interpretive Center
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alcott1: Cahokia Mounds State Historic Site Interpretive Center
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alcott1: Cahokia Mounds State Historic Site and Interpretive Center
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alcott1: Cahokia Mounds State Historic Site Interpretive Center
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alcott1: Arrow points
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alcott1: Stone and bone artifacts
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alcott1: Mississippian Culture artifacts
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alcott1: Cahokia Mounds State Historic Site Interpretive Center
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alcott1: Cahokia Mounds
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alcott1: Cahokia Mounds
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alcott1: Entrance mural--Cahokia Mounds State Historic Site Interpretive Center
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alcott1: Excavations in progress at Cahokia Mounds
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alcott1: Cahokia Mounds World Heritage Site
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alcott1: Largest prehistoric city north of Mexico
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alcott1: Cahokia Mounds Historic Site
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alcott1: The City of Cahokia Mounds circa AD 1100
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alcott1: The Birdman Tablet at Cahokia Mounds State Historic Site