Subject
- Forest reserves -- United States -- History2
- Wilderness areas -- Recreational use2
- Wilderness areas -- United States -- History2
- Conservation of natural resources -- United States1
- Forest Service history series1
- Forest conservation -- United States1
- Klamath River (Or. and Calif.) -- Recreational use1
- Land use -- United States1
- Rivers -- Recreational use1
- United States. Forest Service -- History1
- Wilderness area users1
- Wilderness areas -- United States1