“…The Nile valley has been occupied by humans during much of the Late Pleistocene and Holocene periods (Butzer, 1976;Honegger, and Williams, 2015;Said, 1993). Archaeological sites of prehistoric date are clustered on what is currently the desert edge (Honegger, & Williams, 2015;Takamiya, 2008;Vermeersch, Paulissen, and van Neer, 1990;Wendorf, & Schild, 1976), perhaps situated out of reach of turbulent Nile flows that prevailed during the earlier part of the Holocene (Butzer, 1998). The cultural migration into the Nile Valley broadly corresponds in time with the establishment of the modern (fine-grained) Nile flood plain after 6000 B.C.E.…”