Subject
- Western Dry Kiln Clubs. Meeting95
- Heat -- Transmission89
- Forests and forestry -- Research -- Oregon82
- Lumber -- Drying80
- Forests and forestry -- Northwest, Pacific74
- Lane County (Or.) -- History70
- Reforestation -- Oregon70
- Wheat69
- Industrial arts -- Study and teaching65
- Machine learning65
- Fishery management62
- Oregon State University. College of Forestry61
- Sandwich construction -- Testing60
- Weeds -- Control60
- Agriculture -- Oregon -- Statistics56
- Farm produce -- Oregon -- Statistics53
- Western Dry Kiln Association. Meeting53
- American wood52
- Forest influences50
- Oregon -- Climate48