Logan 2012-Investigating crop plant origins in the Americas…

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Beta-316170 3BE1 (Alred Shelter) AR 3850 ± 30
Beta-316173 3WA4 (Putnam Shelter) AR 870 ± 30
Beta-316174 1910 ± 30
Beta-316172 1120 ± 30