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- Harbors28
- Navigation28
- Nautical charts6
- Administrative and political divisions5
- Coasts4
- World War, 1939-19453
- Aeronautical charts2
- Military geography2
- Military topography2
- Population2
- Territorial expansion2
- Transportation2
- Agriculture1
- Campaigns1
- Continental shelf1
- Earthquakes1
- Fisheries1
- Food supply1
- Health resorts1
- History1