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United States / IL / Jo Daviess County / 11JD12 (John Chapman)
Samples
| Lab number | Site | Province / State | Normalized age | δ13C (per mil) |
|---|---|---|---|---|
| ISGS-5600 | 11JD12 (John Chapman) | IL | 790 ± 70 | -25.1 |
| ISGS-5614 | 11JD12 (John Chapman) | IL | 1020 ± 70 | -26.6 |
| ISGS-5615 | 11JD12 (John Chapman) | IL | 690 ± 70 | -24.5 |
| ISGS-5616 | 11JD12 (John Chapman) | IL | 940 ± 70 | -26.4 |