Subject
- Douglas fir -- Oregon, Western -- Growth1
- Douglas fir -- Washington (State), Western -- Growth1
- Forest productivity -- Oregon, Western1
- Forest productivity -- Washington (State), Western1
- Forest site quality -- Oregon, Western1
- Forest site quality -- Washington (State), Western1
- Stems (Botany) -- Oregon, Western -- Morphology1
- Stems (Botany) -- Washington (State), Western -- Morphology1