“…Similarly, the Senegambian tumuli fields along the River Gambia (Sine Ngayène, Wanar, Wassu and Kerbatch), encompassing over 1500 years of human funerary practices and statecraft practices, lack associated settlements despite comprehensive ground surveys (Bocoum, 2000;Gallay et al, 1982;Laporte et al, 2012). The investment of wealth and labour involved in the construction of large earthen mounds and megalithic monuments is considerable, as these sites contain over a thousand funerary monuments, combining earthen mounds and almost a hundred stone circles made of carefully worked laterite pillars (Gallay, 2006;Holl et al, 2007;Laporte et al, 2012;Ozanne, 1965;Thilmans et al, 1980). This pattern indicates a degree of social stratification in the wider Senegambia region, whose geographical positioning may have allowed these agricultural communities to control the flows of valuable mineral resources, such as iron and gold (Posnansky, 1973(Posnansky, , 1982.…”