Crane and Griffin, 1972: 207
Crane and Griffin, 1972: 207
Samples that cite this reference
| Lab number | Site | Province / State | Normalized age | δ13C (per mil) |
|---|---|---|---|---|
| M-2225 | 11JY70 (Macoupin) | IL | 2020 ± 200 | -25.0 |
| M-2226 | 11JY70 (Macoupin) | IL | 2410 ± 210 | -25.0 |
| M-2229 | 11JY70 (Macoupin) | IL | 1950 ± 200 | -25.0 |
| M-2243 | 11JY70 (Macoupin) | IL | 1900 ± 140 | -25.0 |
| M-2244 | 11JY70 (Macoupin) | IL | 1500 ± 130 | -25.0 |
| M-2245 | 11JY70 (Macoupin) | IL | 1730 ± 130 | -25.0 |