Palaeolithic Cleaver from the Sahel: Freak or Fact? - A Palaeolithic Large Cutting Tool, of the sort familiar to archaeologists working on East African sites such as Olduvai Gorge, Olorgesailie, and Kalambo Falls was recovered during fieldwork at Kufan Kanawa in February 2003. - http://antiquity.ac.uk/ProjGall/haour/haour.html