Liu et al., 1992: 95-98

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
ISGS-904 11PK500 (Napoleon Hollow) IL 1800 ± 70 -25.7
ISGS-935 11PK500 (Napoleon Hollow) IL 1970 ± 70 -26.8
NSRL-297 11PK500 (Napoleon Hollow) IL 4500 ± 500
NSRL-301 11PK500 (Napoleon Hollow) IL 0 ± 300