Physical and chemical analysis of paleosols before, during and after periods of anatomically modern human migration at Gona, Ethiopia - Takashita-Bynum, Kevin K.; Stinchcomb, Gary E.; White, Marie N.; Driese, Steven G.; Dworkin, Steve I.; Levin, Naomi E.; Quade, Jay; Iverson, Nels; McIntosh, William C.; Dunbar, Nelia W.; Arnold, Lee J.; Duval, Mathieu; et al. (2019)