Several archaeological sites were excavated by Eann Macdonald in 1929 to 1930 along the Wadi Ghazzeh in lower Nahal Besor that show signs of specialist flint production.
Adskillige steder blev udgravet af Eann Macdonald mellem 1929-1930 langs Wadi Ghazzeh i den nedre Nahal Besor, som viser tegn på specialiseret flintproduktion.