Masters-level qualification in Archaeology (Merit or Distinction) or BA or BSc degree in Archaeology (1st or 2.1 classification).
"Morigi, A., Schreve, D. & White, M. 2011. Chapter 1 - Introduction and the pre-Anglian Geological, Palaeoenvironmental and Archaeological Records. In A. Morigi et al. (eds.) The Thames Through Time: The Archaeology of the Gravel Terraces of the Upper and Middle Thames (Early Prehistory to 1500 BC): 1-40. Oxford Archaeology: Oxford.
Wymer, J.J. 1968. Lower Palaeolithic Archaeology in Britain: As Represented by the Thames Valley. John Baker: London. Pp. 129-134 & 187-198."