Greenlee 2002, Accounting for variation...

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
CAMS-22358 12SH2 (C.L. Lewis Stone Mound) 2240 ± 60
CAMS-22360 33MU538 (Henderson Mound 2) OH 1590 ± 60
QL-4932 46MS121 (Childers) WV 995 ± 34