Subject
- Forests and forestry3
- Northwest, Pacific2
- Railroad ties2
- Agricultural education -- Oregon1
- Agriculture -- Oregon1
- Apples -- Drying1
- Bean industry -- Oregon, Western1
- Beans -- Processing -- Oregon, Western1
- Country life -- United States1
- Electric generators1
- Forest management -- Environmental aspects -- Northwest, Pacific1
- Forests and forestry -- Northwest, Pacific1
- Fruit -- Drying1
- Fur trade -- North America1
- Fur trade -- Oregon1
- Habitat (Ecology)1
- Index numbers (Economics)1
- Logging -- Equipment and supplies1
- Missions -- Oregon1
- Northern spotted owl -- Northwest, Pacific1