Hunter-gatherer gatherings: stone-tool microwear from the Welling Site (33-Co-2), Ohio, U.S.A. supports Clovis use of outcrop-related base camps during the Pleistocene Peopling of the Americas

During the Pleistocene Peopling of North America, the use of stone outcrops for forager gatherings would have provided Clovis colonizing hunter-gatherers with several advantages beyond that of toolstone procurement. Stone outcrops would have been predictable and immovable places on an emerging map of a landscape for a thinly scattered colonizing population needing to find one another, as well as ideal teaching locales where novice flintknappers...