- McLean County Historical Society, Bloomington, Ill
- University of Illinois at Urbana-Champaign, University Library
This is a blade used by the Archaic Indians. Made of chert, it has a notch on either side. The Lost Lake blade is a medium-sized blade that is beveled on one side. This type of blade was named after examples found in the "Lost Lake" in Alabama but it is found in a large part of the southeastern United States. Prehistoric Indians of Illinois; How we learn about communities; Communities and Geography. 16 History; 17 Geography; 18 Social systems.
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