Page 2005-The High Plains Upper Republican Reconsidered…

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Beta-76914 5LO204 (Donovan) CO 950 ± 60
Beta-76915 5LO204 (Donovan) CO 1040 ± 80
Beta-76916 5LO204 (Donovan) CO 970 ± 90