Subject
- Boundaries12
- Environment3
- Biology and Ecology2
- Boundary disputes2
- Protected areas2
- Public lands2
- Society2
- States2
- Wilderness areas2
- Administrative and political divisions1
- Age distribution (Demography)1
- Battlefields1
- Brazilian states1
- Cities and towns1
- Farming1
- Fires1
- Forest reserves1
- Geopolitics1
- Historic parks1
- Historic sites1