Crane and Griffin, 1970: 168

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
M-1998 11C119 (Bridgewater) IL 1470 ± 130 -25.0
M-1999 11C119 (Bridgewater) IL 1050 ± 200 -25.0
M-2001 11GE482 (Apple Creek) IL 1200 ± 130 -25.0