Ogden and Hay, 1967: 321

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
OWU-194 33CO-VP (Cole mastodon) OH 9460 ± 305 -25.0
OWU-220 33RO-VP (Hallsville Mastodon) OH 13180 ± 520 -25.0