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United States / IL / St. Clair County / 11S629 (Columbia Quarry)
Samples
| Lab number | Site | Province / State | Normalized age | δ13C (per mil) |
|---|---|---|---|---|
| ISGS-739 | 11S629 (Columbia Quarry) | IL | 1560 ± 90 | -26.2 |
| ISGS-741 | 11S629 (Columbia Quarry) | IL | 1570 ± 80 | -26.5 |
| ISGS-745 | 11S629 (Columbia Quarry) | IL | 1570 ± 80 | -26.6 |
| ISGS-755 | 11S629 (Columbia Quarry) | IL | 1660 ± 80 | -26.2 |
| ISGS-756 | 11S629 (Columbia Quarry) | IL | 1440 ± 90 | -26.6 |
| ISGS-889 | 11S629 (Columbia Quarry) | IL | 1330 ± 70 | -27.4 |