Valastro et al.., 1972: 473

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Tx-577 3CL9 (Powell Mound) AR 740 ± 70 -25.0
Tx-579 3LA1 (Battle Mound) AR 455 ± 70 -10.0
Tx-582 3HO11 (Bell) AR 660 ± 60 -25.0
Tx-583 3HO11 (Bell) AR 630 ± 70 -25.0