Seacat 2003? (or 2004?)

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Beta-168511 42UN2889 UT 1340 ± 40 -11.3
Beta-168512 42UN2889 UT 1520 ± 80 -10.8
Beta-168514 42UN2889 UT 1670 ± 100 -11.7