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Creator
- Niger 16
- Mali 12
- Nigeria 12
- Cameroon 9
- Chad 9
- Côte d'Ivoire 8
- Guinea 7
- Benin 6
- Upper Volta 6
- Burkina Faso 4
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Region
- Republic of Niger 15
- Mali 12
- Nigeria 12
- Burkina Faso 10
- Republic of Benin 10
- Cameroon 9
- Republic of Chad 9
- Republic of Côte d’Ivoire 8
- Republic of Guinea 7
- Algeria 2
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Water Basin
- Niger River >> Nigeria 12
- Niger 12
- Groundwater 2
- Lake Chad 2
- Lake Chad 2
- Volta River 1
- Volta 1
License
- Creative Commons: Public Domain Mark 1.0 16