Limit your search
Topic
- Dams 24
- Northwest, Pacific 24
- Bodies of water 19
- Aerial photographs 18
- Rivers 18
- Water-power 5
- Maps 4
- Hydroelectric power plants 3
- Irrigation 3
- Industrialization 2
- more ยป
Region
- Columbia River >> Douglas County >> Washington >> United States 24
- Oregon >> United States 20
- Washington >> United States 20
- Bonneville Dam >> Multnomah County >> Oregon >> United States 10
- Grand Coulee Dam >> Okanogan County >> Washington >> United States 3
- Flathead River >> Sanders County >> Montana >> United States 1
- Santiam River >> Marion County >> Oregon >> United States 1
- Skagit River >> Skagit County >> Washington >> United States 1
- Willamette River >> Multnomah County >> Oregon >> United States 1
Type
- Image 17
- Text 5
- Collection 2
Collection
- Western Waters Digital Library 24