“…Upper Mercer chert appears to have been used throughout the Late Pleistocene and Holocene by prehistoric people in Ohio and throughout the Midwest (e.g. Bebber et al, 2017; Boulanger et al, 2015; DeRegnaucourt & Georgiady, 1998; Eren et al, 2019; Eren, Bebber, et al, 2021; Eren, Diez‐Martin, et al, 2021; Eren et al, 2015; Lepper, 1986, 1988, 2005; Perrone et al, 2020; Werner et al, 2017; White, 2014; Williams et al, 2019). In some instances, archaeologists have claimed that it was transported hundreds of kilometers (Gramly, 1999; Simons et al, 1984).…”