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Subject
- Administrative and Political Boundaries[remove]9
- Industry9
- Population[remove]9
- Railroads9
- Roads[remove]9
- Transportation9
- Land Use4
- Vegetation3
- Agriculture2
- Climate2
- Economic Activity1
- Energy1
- Ethnic Distribution1
- GDP1
- Land Utilization1
- Land use1
- Linguistic Distribution1
- Petroleum1
- Resources1
- Vegitation1