The Nelson stone tool cache, North-Central Ohio, U.S.A.: Assessing its cultural affiliation

•The Nelson stone tool cache was discovered in Mount Vernon, Ohio.•We analyzed it to assess its cultural affiliation.•We compared it to Clovis and post-Clovis caches.•We also conducted geochemical, ochre, and microwear analyses.•By some key measures it is consistent with Clovis, but the case remains unproven.