Perttula et al. 2009, The Archaeology of the 16th and 17th century Caddo in the post oak savanna of northeast Texas, J. NE Texas Arhcaeology 30.

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Beta-239188 41HP237 (Tuinier Farm) 400 ± 40
Beta-239189 41HP237 (Tuinier Farm) 260 ± 40