Stephanie Bartlett, Dan Bach 2019 Analysis Results From 48Su3809 (Tested During Ultra Resources, Warbonnet Wdw Pipeline, Class Iii Cultural Resource Inventory (09-Car-115)).

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Lab number Site Province / State Normalized age δ13C (per mil)
Beta-272610 48SU3809 WY 4050 ± 40
Beta-272611 48SU3809 WY 3350 ± 40