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- Forest management[remove]1,446
- Forests and forestry297
- Forest policy199
- Management181
- Forest reserves177
- United States. Forest Service147
- Law and legislation136
- United States116
- Economic aspects92
- Forest fires89
- Forest health86
- Environmental aspects78
- Public lands73
- Timber73
- Prevention and control69
- Wildfires67
- Forest conservation65
- Forestry law and legislation62
- Range management58
- Forest ecology54