Crane and Griffin, 1966: 265

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
M-1393 11GE? (Helton) IL 1020 ± 110 -25.0
M-1394A 11GE? (Helton) IL 750 ± 110 -25.0
M-1403 11C135 (Peisker) IL 2180 ± 130 -25.0
M-1404 11C135 (Peisker) IL 2275 ± 130 -25.0
M-1405 11C135 (Peisker) IL 1770 ± 130 -25.0