1999, Quigg and Cordova,:Archeologiccal Investigations at Upland Sites 41ZP39 and 41ZP176 for TransTexas Gas Well Site USA #3 Falcon Resevoir, Zapata County, Texas. Archeological Resource Protection Act International Boundary and Water Commission. // 2000, Quigg and Cordova

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Beta-116147 41ZP364 7210 ± 80 -27.0