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- Cutover lands 20
- Forests and forestry 13
- Wildfires 12
- Tillamook Burn, Or., 1933 11
- Cattle 3
- Lumber trade 2
- Sheep 2
- Axes 1
- Civilian Conservation Corps (U.S.) 1
- Clover 1
- Fishes 1
- Logging 1
- Oregon State University. Extension Service 1
- Railroad bridges 1
- Railroad cars 1
- Rivers 1
- Rivers--Washington (State) 1
- Schoth, H. A. (Harry August), 1891- 1