Schwarz 2020, Use and continuity on the plateau...

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
UGAMS-9539 33AD1 (Serpent Mound) OH 2340 ± 25 -25.7
UGAMS-9540 33AD1 (Serpent Mound) OH 900 ± 25 -26.3