Dating of a large tool assemblage at the Cooper's Ferry site (Idaho, USA) to ~15,785 cal yr B.P. extends the age of stemmed points in the Americas.
Davis LG, Madsen DB, Sisson DA, Becerra-Valdivia L, Higham T, Stueber D, Bean DW, Nyers AJ, Carroll A, Ryder C, Sponheimer M, Izuho M, Iizuka F, Li G, Epps CW, Halford FK.
Davis LG, et al. Among authors: epps cw.
Sci Adv. 2022 Dec 23;8(51):eade1248. doi: 10.1126/sciadv.ade1248. Epub 2022 Dec 23.
Sci Adv. 2022.
PMID: 36563150
Free PMC article.