Booth et al. (2004) Geology 32 (6), p. 505-508 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)
Beta-105919 13310 ± 110
Beta-136969 13430 ± 60
Beta-145431 13360 ± 40