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Creator
- United States. Army. Corps of Engineers 6
- WAC Corp. 4
- United States. Commodity Stabilization Service 2
- United States. Forest Service 2
- EROS Data Center 1
- United States. Agricultural Stabilization and Conservation Service 1
- United States. Army Map Service 1
- United States. Bonneville Power Administration 1
- United States. Department of the Interior 1
Topic
- Dams 24
- Northwest, Pacific 24
- Aerial photographs 23
- Bodies of water 23
- Rivers 23
- Maps 3
- Agriculture 1
- Hydroelectric power plants 1
- Industrialization 1
- Irrigation 1
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Region
- Oregon >> United States 24
- Columbia River >> Douglas County >> Washington >> United States 19
- Washington >> United States 19
- Bonneville Dam >> Multnomah County >> Oregon >> United States 6
- Columbia River >> Clatsop County >> Oregon >> United States 5
- Grand Coulee Dam >> Okanogan County >> Washington >> United States 1
Type
- Image 22
- Collection 2
Institution
- University of Oregon 24