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Subject
- Maps[remove]60
- World maps14
- Distances, etc9
- Azimuthal equidistant projection (Cartography)8
- Population8
- Economic conditions6
- Oil fields5
- Ethnology4
- Languages4
- Gas fields3
- Land use3
- Petroleum refineries3
- Phytogeography3
- Systems and standards3
- Time3
- International status2
- Petroleum pipelines2
- Petroleum shipping terminals2
- Research2
- Administrative and political divisions1
