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Creator
- United States. War Department 38
- United States. Army. Corps of Engineers 15
- United States. Department of the Interior 7
- Pond, James B. (James Burton), 1889-1961 5
- United States. Agricultural Stabilization and Conservation Service 5
- United States. Bonneville Power Administration 5
- Smith, Katherine Louise 4
- Gibson, Charles R. (Charles Robert), 1870-1931 3
- Kinney, M. J. H. 3
- Powell, Charles Francis, 1843-1907 3
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Topic
- Northwest, Pacific 188
- Bodies of water 131
- Rivers 127
- Photography 92
- River engineering 46
- Riparian areas 40
- United States. Congress--Records and correspondence 40
- Aerial photographs 38
- Mountains 27
- Dams 22
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Region
- Oregon >> United States 188
- Columbia River >> Clatsop County >> Oregon >> United States 81
- Columbia River >> Douglas County >> Washington >> United States 79
- Washington >> United States 74
- Willamette River >> Multnomah County >> Oregon >> United States 32
- Snake River >> Franklin County >> Washington >> United States 18
- Celilo Falls (historical) >> Wasco County >> Oregon >> United States 7
- Bonneville Dam >> Multnomah County >> Oregon >> United States 6
- Pillars of Hercules >> Multnomah County >> Oregon >> United States 6
- Coos Bay >> Coos County >> Oregon >> United States 5
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Rights
- No Copyright - United States 188
Type
- Image 101
- Text 74
- Collection 13
Format
- image/jpeg 91
- image/tiff 59
- application/pdf 25
- application/xml 13