Butler and Wagner 2002

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Beta-150753 11J639 (Unity Point) IL 1020 ± 70 -25.8
Beta-150754 11J639 (Unity Point) IL 1530 ± 60 -24.8
Beta-150755 11J639 (Unity Point) IL 1240 ± 70 -25.2
Beta-150756 11J639 (Unity Point) IL 1070 ± 80 -25.6
Beta-150757 11J639 (Unity Point) IL 1200 ± 60 -24.0
Beta-150758 11J639 (Unity Point) IL 1390 ± 60 -25.1