Crane and Griffin, 1965: 123

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
M-1254 20GR-? (Smith mastodon) MI 10780 ± 400 -20.0
M-1400 20BE-VP (Prillwitz mammoth) MI 8340 ± 300 -20.0