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Subject
- Planning and Cadastral[remove]18
- Boundaries9
- Transportation8
- Environment7
- Population7
- Traffic estimation7
- Transportation demand management7
- Hydrography5
- Biology and Ecology4
- Conservation of natural resources4
- Endangered species4
- Inland Waters4
- Society4
- Watersheds4
- Riparian restoration3
- Rivers3
- Waterways3
- Biogeography2
- Gap analysis (Planning)2
- Administrative and political divisions1