Subject
- Bark9
- Wood -- Chemistry8
- Bark -- Composition4
- Bark beetles3
- Douglas fir3
- Abies grandis -- Composition1
- Alder -- Composition1
- Alder -- Diseases and pests1
- Bark -- Analysis1
- Bark -- Anatomy1
- Bark -- Utilization1
- Bark beetles -- Control -- Oregon -- Pringle Falls Experimental Forest.1
- Bark peeling1
- Conifers -- North America -- Anatomy1
- Cork1
- Douglas fir -- Analysis1
- Douglas fir -- Composition1
- Douglas fir -- Diseases and pests1
- Fir1
- Forest products1