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Creator
- United States. Army. Corps of Engineers 6
- United States. Bonneville Power Administration 5
- United States. Department of the Interior 5
- 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
Topic
- Dams 109
- Rivers 52
- Northwest, Pacific 28
- Bodies of water 24
- Aerial photographs 23
- Dams--Design and construction 22
- Hydraulic structures 20
- Water-power 12
- Building 10
- Photography 10
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Region
- Oregon >> United States 24
- Columbia River >> Douglas County >> Washington >> United States 23
- Washington >> United States 19
- Furnish Reservoir >> Umatilla County >> Oregon >> United States 12
- Bonneville Dam >> Multnomah County >> Oregon >> United States 10
- Hilgard >> Union County >> Oregon >> United States 8
- Columbia River >> Clatsop County >> Oregon >> United States 5
- Pendleton >> Umatilla County >> Oregon >> United States 5
- Grand Coulee Dam >> Okanogan County >> Washington >> United States 3
- Deschutes Dam >> Thurston County >> Washington >> United States 2
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Type
- Image 103
- Text 4
- Collection 2
Format
- image/tiff 81
- image/jpeg 26
- application/xml 2
Institution
- University of Oregon 109