Ohio SHPO personal communcation 2019

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Beta-426619 33FR2927 OH 140 ± 30 -25.4
Beta-426620 33FR2936 OH 810 ± 30 -27.1
Beta-426621 33FR2936 OH 160 ± 30 -27.6
GX-33436 33FR2816 (Charles Site) OH 4040 ± 40 -26.2
GX-33437 33FR2816 (Charles Site) OH 2920 ± 140 -25.6
GX-33438 33FR2816 (Charles Site) OH 3870 ± 120 -25.7
GX-33439 33FR2816 (Charles Site) OH 1280 ± 110 -26.2