Berger and Protsch, 1989: 60-61

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
UCLA-1919 I 11PK-? (Joe Gay Mounds) MO 830 ± 80
UCLA-1919I 11PK? (Joe Gay Mounds) IL
UCLA-1919K 11PK? (Joe Gay Mounds) IL