Valastro and Davis, 1970: 269

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Tx-657 41VV218 (Bonfire Shelter) TX 9920 ± 150 -25.0
Tx-658 41VV218 (Bonfire Shelter) TX 10100 ± 300 -25.0