Spangler 2010, Paradigms and Perspectives Revisited…

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Beta-135258 5RB3989 CO 1200 ± 70
Beta-83682 5RB3566 CO 1830 ± 60
Beta-83684 5RB3566 CO 2190 ± 80
Beta-83685 5RB3566 CO 1490 ± 70