Engraved ceramic sherds from Cahokia. (1) Cross-and-circle motif on sherd. (2) Pottery disc with lines radiating from center and surrounded by circle, James Ramey Mound. (3) Sherd with a peculiar design (forked eye?), Stockyards Village Site. (4) Pottery disc, James Ramey Mound. (5) Perforated clay disc, Wells-Tippetts Village Site. (6) Perforated sandstone disc with concentric engraved circles (earspool?), Ramey Village Site.

Moorehead, W.K. 1929. The Cahokia Mounds. University of Illinois, Urbana. plate XXVII