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| Illinois Lithic Type: |
|---|
| Oneota, Shakopee, Salem, St. Louis, Moline, La Moine, Cobden, Mill Creek, Joliet, Burlington, Dongola, Fern Glen, Kaolin, St. Genevieve |
(Rear)
| Illinois Rock Island Co. Moline Chert IL-RI-01 | Illinois Rock Island Co. Moline Chert IL-RI-01+ | Illinois Kaolin Chert IL-ØØ-05 | Illinois Kaolin Chert IL-ØØ-06 |
| Illinois Monroe Co. St. Louis Chert IL-MO-02 | Illinois Schuyler Co. La Moine River Chert IL-SC-01 | Illinois Fern Glen Chert IL-ØØ-04 | Illinois Kaolin Chert IL-ØØ-06+ Image #2 |
| Illinois Monroe Co. Salem Formation Chert IL-MO-01 | Illinois Union co. Cobden Chert IL-UN-01 | Illinois Dongola Chert IL-ØØ-03 | Illinois Mill Creek Chert IL-ØØ-07 |
| Illinois La Salle Co. Shakopee Chert IL-LS-04 | Illinois Union Co. Cobden Chert IL-UN-02 | Illinois Cobden Chert IL-ØØ-02 | Illinois Mill Creek Chert IL-ØØ-08 |
| Illinois La Salle Co. Oneota Chert IL-LS-03 | Illinois Union Co. Mill Creek Chert IL-UN-03 | Illinois Burlington Chert IL-ØØ-01+ | Illinois St. Genevieve Chert IL-ØØ-09 |
| Illinois La Salle Co. Oneota Chert IL-LS-02 | Illinois Will Co. Joliet Chert IL-WI-01 | Illinois Burlington Chert IL-ØØ-01 | Illinois St. Genevieve Chert IL-ØØ-10 |
