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Geographic locations of genetic samples within eastern Africa included in the SPRUCE analysis (35 population locations, 492 individuals). Colors correspond to language family of the population (a variable included in the model as a proxy for language and culture): pink = Afro-Asiatic, blue = Niger-Congo, green = Nilo-Saharan, grey = isolate (6. Chabu, 13. Gumuz) or Khoisan (15. Hadza, 28. Sandawe). Numbers correspond to supplementary table S1, Supplementary Material online.
