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Implements used in working shell and bone - microblades and drills from the Kunnemann Mound at the Cahokia site.
Pauketat, T. R. 1993. Temples for Cahokia Lords: Preston Holder's 1955-1956 Excavations of Kunnemann Mound. Memoirs of the University of Michigan Museum of Anthropology, No. 26. Ann Arbor. Plate 5.1, p.91
Reproduced with permission of the University of Michigan.