Syms, 1977: 78

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
I-3382 21ML1 (Brower-Vanderbloom) MN
I-786 21ML4 (Brower-Anderson) MN
I-787 21OT2 (Morrison Mound) MN
I-788 21SB1 (High Island Mound) MN