Subject
- Barred owl -- Reproduction3
- Northern spotted owl -- Reproduction3
- Beef cattle1
- Beef cattle -- Cow-calf system -- Management1
- Fir -- Washington (State) -- Gifford Pinchot National Forest1
- Fire departments -- Oregon1
- Fire extinction1
- Fire protection districts -- Oregon1
- Fisheries1
- Fishery management1
- Fishery policy1
- Gamma rays1
- Gifford Pinchot National Forest (Wash.)1
- Grass seed industry -- Oregon1
- Grasses -- Seeds -- Research -- Oregon1
- Magnesium1
- Neutrons -- Scattering1
- Radiation -- Dosage1
- Radioactivity -- Measurement1
- Rural development -- Oregon1