[2] The Heshbon Expedition failed to find clear archaeological evidence proving the Biblical account or existence of a King Sihon at Tall Hisban.
[5] More recently, it has been argued that the Israelites were nomadic and would not have left significant material remains.
Led by Chief Archaeologist Roger Boraas, stratigraphic excavation techniques were used to uncover a total of nineteen stratigraphic horizons spanning over three millennia of human occupation and accumulated archaeological remains.
[8] The second was the introduction of the methods and procedures of the New Archaeology by anthropologist Oystein S. LaBianca with strong support from Roger Boraas and Lawrence Geraty.
[9] The third was the development of standardized terminology and procedures for collection and recording of archaeological finds in the form of a dig manual authored by Larry Herr and other members of the team.