Subject
- Douglas fir -- Drying4
- Western hemlock -- Drying4
- Lumber -- Drying3
- Western hemlock3
- Douglas fir -- Congresses2
- Forest management -- Congresses2
- Western hemlock -- Congresses2
- Western hemlock -- Diseases and pests2
- Western hemlock -- Utilization2
- Wood -- Discoloration2
- Airplanes, Wooden1
- American wood1
- Cheilosia1
- Circular (United States. Bureau of Entomology)1
- Douglas fir -- Diseases and pests -- Mathematical models1
- Douglas fir -- Northwest, Pacific -- Growth -- Mathematical models1
- Fir -- Utilization1
- Forest management -- Coast Ranges1
- Forest management -- Oregon1
- Forests and forestry -- Northwest, Pacific -- Measurement -- Mathematical models1