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Creator
- United States. Department of the Interior 28
- United States. Bonneville Power Administration 26
Topic
- Water-power 28
- Northwest, Pacific 24
- Public utilities 11
- Dams 5
- Industrialization 5
- Agriculture 4
- Hydroelectric power plants 4
- Maps 4
- Transportation 3
- Bodies of water 2
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Region
- Columbia River >> Douglas County >> Washington >> United States 17
- Washington >> United States 7
- Oregon >> United States 6
- Bonneville Dam >> Multnomah County >> Oregon >> United States 4
- Grand Coulee Dam >> Okanogan County >> Washington >> United States 2
- Willamette River >> Multnomah County >> Oregon >> United States 2
- Flathead River >> Sanders County >> Montana >> United States 1
- Idaho >> United States 1
- Montana >> United States 1
- Nevada >> United States 1
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License
- Creative Commons: Public Domain Mark 1.0 28
Type
- Text 27
- Collection 1