Subject
- Airplanes, Wooden4
- Oceanography -- Oregon -- Umpqua River Estuary4
- Umpqua River Estuary (Or.)4
- Wood -- Defects3
- Forest reserves -- United States -- Periodicals2
- Forests and forestry -- United States -- History2
- Irrigation -- Northwest, Pacific2
- Lodgepole pine -- Diseases and pests -- Montana2
- Mountain pine beetle -- Montana2
- National parks and reserves -- United States -- Periodicals2
- Public lands -- United States -- Periodicals2
- Report (United States. Forest Service. Northern Region. Forest Pest Management)2
- Report (United States. Forest Service. Northern Region. Insect and Disease Management)2
- Snake River (Wyo.-Wash.)2
- Trees -- Diseases and pests -- Idaho2
- Trees -- Diseases and pests -- Montana2
- United States -- Forest Service -- Periodicals2
- United States. Forest Service2
- Veneers and veneering2
- Water -- Storage -- Snake River (Wyo.-Wash.)2