Subject
- Conifers -- Diseases and pests -- Kootenai National Forest (Mont. and Idaho)1
- Douglas fir -- Diseases and pests -- Control -- Idaho -- Nezperce National Forest1
- Douglas fir -- Diseases and pests -- Idaho -- Clearwater River Watershed1
- Douglas fir -- Diseases and pests -- Montana1
- Douglas fir -- Seeds -- Predators of -- Control -- Idaho -- Nezperce National Forest1
- Douglas fir beetle -- Idaho -- Clearwater River Watershed1
- Grand fir -- Diseases and pests -- Control -- Idaho -- Nezperce National Forest1
- Grand fir -- Seeds -- Predators of -- Control -- Idaho -- Nezperce National Forest1
- Insect pests -- Control -- Idaho -- Nezperce National Forest1
- Insecticides -- Idaho -- Nezperce National Forest1
- Lodgepole pine -- Diseases and pests -- Montana -- Gallatin National Forest1
- Lodgepole pine -- Diseases and pests -- Montana -- Glacier National Park1
- Lodgepole pine -- Diseases and pests -- Montana -- Lolo National Forest1
- Mountain pine beetle -- Control -- Montana -- Gallatin National Forest1
- Mountain pine beetle -- Kootenai National Forest (Mont. and Idaho)1
- Mountain pine beetle -- Montana -- Glacier National Park1
- Mountain pine beetle -- Montana -- Lolo National Forest1
- Organophosphorus compounds -- Idaho -- Nezperce National Forest1
- Western spruce budworm -- Montana1