Subject
- Lane County (Or.) -- History104
- Oregon -- History47
- Oregon -- Description and travel18
- Forests and forestry -- Northwest, Pacific16
- Hydrology -- Research -- Oregon15
- Oregon Territory -- History15
- Forest reserves -- United States14
- Pioneers -- Oregon14
- United States. Forest Service14
- Benton County (Or.) -- History12
- Forests and forestry -- United States12
- Soap Creek Valley (Benton County and Polk County, Or.) -- History12
- United States. Forest Service. Pacific Northwest Region11
- Local history -- Oregon10
- Public lands -- United States10
- Forests and forestry -- United States -- Bibliography9
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club9
- Agriculture information bulletin8
- Frontier and pioneer life -- Oregon8
- Frontier and pioneer life -- Oregon -- Siuslaw River Valley8