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Subject
- Agriculture[remove]9
- Asphalt1
- Biology and Ecology3
- Bodies of water1
- Boundaries6
- California. California Land Conservation Act of 19651
- Cities and towns3
- Concrete1
- Conservation of natural resources1
- Ecological risk assessment1
- Ecological zones5
- Environment8
- Environmental impact analysis1
- Environmental law1
- Farming7
- Farmland3
- Forests and forestry2
- Grazing4
- Habitat (Ecology)1
- Inland Waters3