Turpin, Jeff, et. al., 2007, Testing of Four Prehistoric Sites in Area C, San Miguel Mine Atascosa County, Texas, Cultural Resources Report 24, TAS, Inc.

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Beta-233439 41AT232 (Kezar) 2650 ± 40 -25.4
Beta-233440 41AT232 (Kezar) 2590 ± 40 -24.6