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Subject
- Land use, Rural41
- Mines and mineral resources14
- All terrain vehicles2
- Forests and forestry2
- Motor vehicles2
- Recreational use2
- Administrative and political divisions1
- Cattle trails1
- Census districts1
- Climatic factors1
- Drought forecasting1
- Droughts1
- Forest ecology1
- Leaves1
- Metropolitan areas1
- Public lands1
- Roads1
- Trees1
- Wilderness areas1
