Subject
- Report (United States. Forest Service. Northern Region. Insect and Disease Management)15
- Report (United States. Forest Service. Northern Region. Forest Pest Management)14
- Forest fires -- Oregon -- Prevention and control3
- Ponderosa pine -- Diseases and pests -- Control -- Montana3
- Conifers -- Diseases and pests -- Control -- Montana -- Flathead National Forest2
- Dwarf mistletoes -- Control -- Bitterroot National Forest (Mont. and Idaho)2
- Forest fires -- Northwest, Pacific -- Prevention and control2
- Forest fires -- United States -- Prevention and control2
- Forest management -- United States2
- Fuel reduction (Wildfire prevention) -- Oregon2
- Lodgepole pine -- Diseases and pests -- Control -- Montana -- Thompson River Watershed2
- Lodgepole pine -- Diseases and pests -- Control -- Yaak River Watershed (B.C. and Mont.)2
- Mountain pine beetle -- Control -- Montana2
- Mountain pine beetle -- Control -- Montana -- Thompson River Watershed2
- Mountain pine beetle -- Control -- Yaak River Watershed (B.C. and Mont.)2
- Ponderosa pine -- Diseases and pests -- Control -- Idaho2
- Spruce -- Diseases and pests -- Control -- North Dakota2
- United States. Federal Water Pollution Control Act2
- United States. State and Private Forestry2
- Wildfires -- Prevention and control2