Jeffries 1982

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
UGa-2704 11SA87 (Black Earth) IL 5675 ± 70
UGa-2705 11SA87 (Black Earth) IL 5645 ± 70
UGa-2706 11SA87 (Black Earth) IL 5905 ± 85
UGa-2707 11SA87 (Black Earth) IL 5545 ± 115
UGa-2708 11SA87 (Black Earth) IL 5560 ± 75
UGa-2710 11SA87 (Black Earth) IL 5055 ± 80