Yamasaki et al., 1974: 341

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
N-1233 23NM38 (Lilbourn) MO 835 ± 85 -25.0
N-1232 23NM38 (Lilbourn) MO 830 ± 85 -25.0
N-1266 20CX-? (Eagle Island) MI 915 ± 80 -25.0
M-2400 20CX-? (Eagle Island) MI 2270 ± 140 -25.0
M-2404 20CX-? (Eagle Island) MI 2140 ± 140 -25.0
N-1267 20CX-? (Eagle Island) MI 2400 ± 80 -25.0