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Creator
- United States. War Department 22
- United States. Army. Corps of Engineers 14
- United States. Agricultural Stabilization and Conservation Service 5
- Pond, James B. (James Burton), 1889-1961 4
- United States. Bonneville Power Administration 4
- United States. Department of the Interior 4
- WAC Corp. 4
- Smith, Katherine Louise 3
- United States. Army Map Service 3
- United States. Commodity Stabilization Service 3
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Topic
- Northwest, Pacific 94
- Bodies of water 50
- Rivers 50
- Aerial photographs 40
- River engineering 26
- Dams 22
- United States. Congress--Records and correspondence 22
- Photography 21
- Nature 9
- Scenic byways 9
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Region
- Oregon >> United States 94
- Columbia River >> Douglas County >> Washington >> United States 40
- Columbia River >> Clatsop County >> Oregon >> United States 37
- Washington >> United States 36
- Willamette River >> Multnomah County >> Oregon >> United States 9
- Bonneville Dam >> Multnomah County >> Oregon >> United States 4
- Celilo Falls (historical) >> Wasco County >> Oregon >> United States 2
- Memaloose Island (historical) >> Wasco County >> Oregon >> United States 2
- Oneonta Gorge >> Multnomah County >> Oregon >> United States 2
- Big Eddy (historical) >> Wasco County >> Oregon >> United States 1
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Format
- image/jpeg 94