Subject
- Water conservation16
- County services15
- Location15
- Natural areas15
- Water districts15
- Fire protection districts14
- Ice shelves14
- Air quality—Standards13
- Farming13
- Lakes13
- Marine resources conservation13
- Land use--Planning12
- Biotic communities11
- Marine biodiversity conservation11
- Municipal government11
- Agriculture10
- Environmental impact analysis10
- Grids (Cartography)10
- Land use10
- Ecological zones9