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Subject
- Automobile driving100
- Motor vehicles76
- Roads71
- Recreational use68
- Forest roads50
- Outdoor recreation20
- Forest reserves16
- Forests and forestry10
- Recreation areas8
- Land use7
- Fuelwood cutting4
- Forest conservation3
- Forest management3
- Forest policy3
- Public lands3
- Trails3
- Forest ecology2
- National parks and reserves2
- Wilderness areas2
- Christmas trees1
