Published online by Cambridge University Press: 20 January 2017
Examination of material in the Oregon State Museum of Anthropology reveals two apparent cores and several blades among surface finds from the Northern Great Basin. Collections from excavations at The Dalles, on the Columbia River, contain cores and blades from levels radiocarbon dated at about 5900 B.C., and possible examples from earlier levels.
An earlier version of this paper was presented at the 13th Annual Northwest Anthropological Conference, Seattle, May 1960.