Subject
- U.S. International Biological Program. Coniferous Forest Biome112
- Lumber -- Drying61
- Agriculture -- Oregon58
- Forests and forestry -- Oregon58
- Sandwich construction -- Testing56
- Fisheries -- Oregon54
- Wood poles -- Preservation53
- Clam fisheries -- Oregon51
- Fish culture -- Oregon51
- Forest influences43
- Oregon -- Climate42
- American wood41
- Wood -- Moisture41
- Forests and forestry -- Washington (State)40
- Shellfish fisheries -- Oregon -- Management40
- Forests and forestry -- Washington (State) -- Statistics39
- Agricultural experiment stations -- Research -- Oregon -- Jackson County36
- Agriculture -- Oregon -- Jackson County -- Field experiments36
- Entomology36
- Forest surveys -- Oregon36