Subject
- Agriculture -- Oregon37
- 4-H clubs27
- Forest influences27
- Oregon -- Climate27
- Forests and forestry -- Oregon20
- Forest surveys -- Oregon19
- Forests and forestry -- Oregon -- Statistics19
- Forest surveys -- Washington (State)18
- Forests and forestry -- Washington (State)18
- Forests and forestry -- Washington (State) -- Statistics18
- Fences -- Design and construction9
- Wood poles -- Preservation9
- Apple industry -- Oregon -- Hood River Valley -- Cost of operation8
- Pear industry -- Oregon -- Hood River Valley -- Cost of operation8
- Agriculture7
- Fruit-culture -- Oregon -- Hood River Valley -- Cost of operation6
- Fish-culture -- Oregon -- Statistics5
- Fishery management -- Oregon -- Statistics5
- Fishing -- Oregon -- Statistics5
- Shellfish fisheries -- Oregon -- Management4