Subject
- Forest surveys -- Washington (State)12
- Forests and forestry -- Washington (State)12
- Forests and forestry -- Washington (State) -- Statistics12
- Forest surveys -- Oregon11
- Forests and forestry -- Oregon11
- Forests and forestry -- Oregon -- Statistics11
- Forests and forestry -- Northwest, Pacific4
- Forests and forestry -- Research -- Northwest, Pacific3
- Pacific Northwest Forest and Range Experiment Station (Portland, Or.)3
- American wood1
- Baldcypress1
- Forestry research -- Northwest, Pacific1
- Trees -- North America1
- Wood -- North America1