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| Arkansas Lithic Type: | Canada Lithic Type: | Colorado Lithic Type: | Illinois Lithic type: |
|---|---|---|---|
| Keokuk, Pierson, Reeds, Spring, Crowley Ridge, Novaculite, Penters, Pitkin | Dacite, Fine-grained Basalt | Flattop Chalcedony | Payson, Chouteau, Keokuk, Moline, Kincaid, Fern Glen, Lower Nachusa |
(Rear)
| Arkansas Hot Springs Co. Novaculite AR-HS-01 | Arkansas Independence Co. Penters Chert AR-IN-01 | Illinois Hancock Co. Keokuk Chert IL-HA-01 | Illinois Hardin Co. Moline Chert IL-HN-01 |
| Arkansas Garland Co. Novaculite AR-GA-01 Image #2 | Arkansas Independence Co. Pitkin Chert AR-IN-02 | Illinois Calhoun Co. Chouteau Chert IL-CB-01 | Illinois Hardin Co. Moline Chert IL-HN-01+ |
| Arkansas Benton Co. Crowley Ridge Chert AR-CG-01 | Arkansas Independence Co. Reeds Spring Chert AR-IN-03 | Illinois Adams Co. Payson Chert IL-AD-01 | Illinois Henry Co. Moline Chert IL-HY-01 |
| Arkansas Benton Co. Pierson Chert AR-BE-03 | Arkansas Novaculite AR-ØØ-01 | Colorado Logan Co. Flattop Chalcedony CO-LO-02 | Illinois Jackson Co. Kincaid Chert IL-JA-01 |
| Arkansas Benton Co. Pierson Chert AR-BE-02 | Arkansas Novaculite AR-ØØ-02 | Colorado Logan Co. Flattop Chalcedony CO-LO-01 | Illinois Jersey Co. Fern Glen Chert IL-JY-01 |
| Arkansas Benton Co. Keokuk Chert AR-BE-01 | Canada British Columbia Dacite CAN-BC-01 | Canada British Columbia Fine-grained Basalt CAN-BC-02 | Illinois La Salle Co. Lower Nachusa Chert IL-LS-01 |
