Subject
- Colorado spruce -- Diseases and pests1
- Engelmann spruce -- Diseases and pests1
- Forest fires -- Prevention and control -- Blue Mountains (Or. and Wash.)1
- Forest management1
- Fuel reduction (Wildfire prevention)1
- Fuel reduction (Wildfire prevention) -- Blue Mountains (Or. and Wash.)1
- Optical radar1
- Plant physiology1
- Ponderosa pine -- Thinning -- Blue Mountains (Or. and Wash.)1
- Prescribed burning -- Blue Mountains (Or. and Wash.)1
- Spruce beetle1
- Understory plants -- Blue Mountains (Or. and Wash.)1
- Wildfires1