Subject
- Aeronautics -- Safety measures1
- Aircraft accidents1
- Anadromous fishes -- Economic aspects -- Columbia River1
- Beetles -- Effect of habitat modification on -- Cascade Range1
- Beetles -- Effect of habitat modification on -- Oregon1
- Buildings -- Repair and reconstruction -- Social aspects -- United States1
- Camp sites, facilities, etc. -- Oregon1
- Chinook salmon1
- Columbian sharp-tailed grouse -- Oregon1
- Compositae1
- Disaster relief -- United States1
- Ethnobotany -- Klamath River Valley (Or. and Calif.)1
- Fire management -- Klamath River Valley (Or. and Calif.)1
- Fisheries -- Economic aspects -- Columbia River1
- Fishery management -- Columbia River1
- Fishes -- Oregon -- Habitat1
- Forest ecology -- Cascade Range1
- Forest ecology -- Oregon1
- Forest fires -- Coast Ranges1
- Forest fires -- Oregon1