Crane and Griffin, 1966: 263

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
M-1395-A 23PL13 (Steed Kisker) MO 840 ± 110 -25.0
M-1395-B 23PL13 (Steed Kisker) MO 950 ± 110
M-1625 20IS-? (Goodwin-Gresham) MI 1340 ± 110 -25.0