Columbia subject headings:
Maps.
Natural gas--Nigeria--Maps.
Petroleum--Nigeria--Maps.
Power resources--Nigeria--Maps.
Harvard subject headings:
Electric power distribution--Nigeria--Maps.
Gas fields--Nigeria--Maps.
Maps
Natural gas pipelines--Nigeria--Maps.
Natural gas--Nigeria--Maps.
Nigeria--Maps.
Oil fields--Nigeria--Maps.
Princeton subject headings:
Coalfields--Nigeria--Maps.
Electric power distribution--Nigeria--Maps.
Electric power transmission--Nigeria--Maps.
Gas fields--Nigeria--Maps.
Gas pipelines--Nigeria--Maps.
Hydroelectric power plants--Nigeria--Maps.
Liquefied natural gas industry--Nigeria--Maps.
Maps.
Natural gas pipelines--Nigeria--Maps.
Natural gas--Nigeria--Maps.
Nigeria--Maps.
Oil fields--Nigeria--Maps.
Petroleum pipelines--Nigeria--Maps.
Thematic maps.