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Top : Science : Social_Sciences : Archaeology : Regional : Africa : Chad
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  		• The rise of organisational complexity in mid-first millennium BC Chad Basin: Research carried out since the early 1990s on Neolithic settlements in the Nigerian part of the Chad Basin has provided new information on early, large (>10 ha), nucleated village settlements in West Africa. Antiquity Vol 78 No 301 September 2004.
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