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Subject
- Land use, Rural390
- Mines and mineral resources142
- Land use78
- Public lands52
- Wilderness areas25
- Planning24
- Outdoor recreation7
- Deserts6
- Land tenure5
- Rafting (Sports)4
- Recreation areas4
- Rivers4
- Management3
- National parks and reserves3
- Recreational use3
- Geodesy2
- Surveys2
- All terrain vehicles1
- Base measuring1
- Environmental policy1
