Hughes (1972) Illinois State Geological Survey Radiocarbon Dates III, Radiocarbon 14, p. 149-154 per Dalton et al. 2020-An Updated Radiocarbon-Based Ice Margin….
Hughes (1972) Illinois State Geological Survey Radiocarbon Dates III, Radiocarbon 14, p. 149-154 per Dalton et al. 2020-An Updated Radiocarbon-Based Ice Margin….
Samples that cite this reference
| Lab number | Site | Province / State | Normalized age | δ13C (per mil) |
|---|---|---|---|---|
| ISGS-69 | 13980 ± 200 | |||
| ISGS-55 | 9340 ± 200 |