Limit your search
Topic
- Salmon 34
- Rivers--Oregon 31
- Dams 24
- Fishes--Conservation 15
- Flood control 11
- Fish hatcheries 4
- Sand bars 3
- Sawmills 3
- Fishways 2
- Lakes--Oregon 2
- more »
Region
- Willamette River >> Multnomah County >> Oregon >> United States 30
- Columbia River >> Clatsop County >> Oregon >> United States 9
- Clackamas County >> Oregon >> United States 5
- Linn County >> Oregon >> United States 5
- Santiam River >> Marion County >> Oregon >> United States 5
- Marion County >> Oregon >> United States 4
- Abiqua Creek >> Marion County >> Oregon >> United States 3
- Molalla River >> Clackamas County >> Oregon >> United States 3
- Cazadero Dam >> Clackamas County >> Oregon >> United States 2
- Clackamas River >> Clackamas County >> Oregon >> United States 2
- more »
Format
- application/pdf 18
- image/tiff 16
Decade
- 1940-1949 34