Humphrey and Ferring, 1994: 203

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
AA-5271 41DN479 (Aubrey) TX 11540 ± 110
AA-5274 41DN479 (Aubrey) TX 11590 ± 90
SMU-2194 41DN479 (Aubrey) TX 10940 ± 80 -18.3
SMU-2338 41DN479 (Aubrey) TX 10720 ± 90 -17.0