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United States / IL / Rock Island County / 11RI42 (Christianson)
Samples
| Lab number | Site | Province / State | Normalized age | δ13C (per mil) |
|---|---|---|---|---|
| ISGS-3769 | 11RI42 (Christianson) | IL | 2910 ± 80 | |
| ISGS-3770 | 11RI42 (Christianson) | IL | 3040 ± 70 |