Subject
- Fishes -- Habitat -- Oregon2
- Anadromous fishes -- Oregon -- Effect of habitat modification on1
- Arctic char -- Development1
- Arctic char -- Eggs -- Size1
- Arctic char -- Growth1
- Arctic char -- Physiology1
- Catostomus -- Oregon -- Geographical distribution1
- Catostomus -- Oregon -- Phylogeny1
- Contaminated sediments -- Oregon -- Cottage Grove Lake1
- Contaminated sediments -- Oregon -- Dorena Reservoir1
- Crayfish -- Effect of metals on -- Oregon -- Willamette River1
- Crayfish -- Toxicology -- Oregon -- Willamette River1
- Endemic animals -- Oregon1
- Fish as food -- Contamination -- Oregon -- Willamette River1
- Fish communities -- Effect of water levels on -- Oregon1
- Fish communities -- Effect of water levels on -- Washington (State)1
- Fish communities -- Oregon1
- Fish communities -- Washington (State)1
- Fishery resources -- Oregon -- John Day River Basin -- Economic aspects1
- Fishes -- Age determination1