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United States / SD / Brookings County / 39BK100 (Chalk Rock)

Samples

Lab number Site Province / State Normalized age δ13C (per mil)
Beta-184340 39BK100 (Chalk Rock) SD 10900 ± 40 -23.4
Beta-195742 39BK100 (Chalk Rock) SD 9010 ± 40
Beta-195743 39BK100 (Chalk Rock) SD 10860 ± 40 -26.2