Condon et al. 2008 p. 90 and 279

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Beta-238636 LA49917 NM 1140 ± 40
Beta-238368 LA49917 NM 1230 ± 40
Beta-238637 LA49917 NM 890 ± 40