Subject
- U.S. International Biological Program. Coniferous Forest Biome156
- Lumber -- Drying131
- Range plants -- Oregon78
- Sandwich construction -- Testing75
- Agriculture -- Oregon73
- Clam fisheries -- Oregon73
- Wood -- Moisture70
- Report (United States. Forest Service. Northern Region. Insect and Disease Management)69
- Forests and forestry -- Oregon63
- Wood poles -- Preservation61
- Shellfish fisheries -- Oregon -- Management60
- Forest influences59
- Oregon -- Climate59
- American wood58
- Report (United States. Forest Service. Northern Region. Forest Pest Management)54
- Fisheries -- Oregon52
- Fisheries -- Economic aspects50
- Fishing boats -- Economic aspects49
- Fish culture -- Oregon48
- Wood -- Preservation45