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There is little evidence of trade during the Early Archaic. Unusual types of stone used for making spear points were probably collected and carried with them when Early Archaic people moved from place to place. The same is true for Middle Archaic people. Most of their objects appear to have been made from materials found near their camps and villages.
In contrast, four thousand years ago Late Archaic people in Illinois acquired a variety of materials from distant sources, probably through trade. They obtained marine shell from the Gulf of Mexico or the Atlantic Ocean. They also obtained copper from the Lake Superior region. Archaeologists do not yet know what kinds of goods Late Archaic people living in Illinois may have offered in exchange for these materials.
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