Lepper et al. 2021

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
AA-110452 33AD1 (Serpent Mound) OH 1263 ± 22
Beta-470763 33AD1 (Serpent Mound) OH 720 ± 30
Beta-473077 33AD1 (Serpent Mound) OH 1300 ± 30