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Subject
- Boundaries[remove]10
- Administrative and political divisions7
- Counties5
- Countries3
- States3
- International Date Line2
- International boundaries2
- Provinces2
- Territorial boundaries2
- Continental margins1
- Economy1
- Marine mineral resources1
- Mines and mineral resources1
- Oceans1
- Offshore oil and gas leases1
- Planning and Cadastral1
- Utilities and Communication1