Columbia subject headings:
Gold industry--Senegal.
Gold mines and mining--Senegal.
Mines and mineral resources--Economic aspects--Senegal.
Phosphate industry--Senegal.
Phosphate mines and mining--Senegal.
Harvard subject headings:
Mineral industries--Senegal.
Rural development--Senegal
Princeton subject headings:
Gold industry--Senegal.
Gold mines and mining--Senegal.
Mineral industries--Senegal.
Mines and mineral resources--Economic aspects--Senegal.
Phosphate industry--Senegal.
Phosphate mines and mining--Senegal.
Rural development--Senegal.