Yamasaki et al., 1974: 340

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
M-2064 20EM-? (Ponshewaing Point) MI 1760 ± 130 -25.0
M-2399 20EM-? (Ponshewaing Point) MI 1600 ± 130 -25.0
N-1265 20EM-? (Ponshewaing Point) MI 3030 ± 95 -25.0