Graetzer 2020 personal communication

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Beta-120775 36CE362 (Shuey (PASS name Shuey-Barton)) PA 1990 ± 60
Beta-72940 36CE362 (Shuey (PASS name Shuey-Barton)) PA 1670 ± 60