Subject
- Bed load -- Oregon -- Deschutes River1
- Buprestidae1
- Douglas fir -- Oregon -- Willamette National Forest1
- Douglas fir -- Oregon -- Willamette National Forest -- Geographical distribution1
- Old growth forests -- Oregon -- Willamette National Forest1
- Old growth forests -- Oregon -- Willamette National Forest -- Geographical distribution1
- Pressure -- Measurement1
- Supercritical fluids1
- Wood -- Preservation1
- Wood-decaying fungi1