Estes and Loosle 2006:3

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Beta-210154 42DC1859 UT 3760 ± 60 -19.4
Beta-210155 42DC1859 UT 1970 ± 40 -22.4
Beta-210156 42DC1859 UT 1150 ± 50 -21.8
Beta-210157 42DC1859 UT 2590 ± 40 -20.2