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United States / IL / Lee County / 11LE? (Medusa Mound Group)
Samples
| Lab number | Site | Province / State | Normalized age | δ13C (per mil) |
|---|---|---|---|---|
| ISGS-481 | 11LE? (Medusa Mound Group) | IL | 1340 ± 80 | -25.0 |
| ISGS-484A | 11LE? (Medusa Mound Group) | IL | 1215 ± 100 | -10.0 |
| ISGS-484B | 11LE? (Medusa Mound Group) | IL | 1230 ± 80 | -19.0 |