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Creator
- United States. War Department 36
- United States. Army. Corps of Engineers 14
- United States. Department of the Interior 6
- 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
- WAC Corp. 4
- Gibson, Charles R. (Charles Robert), 1870-1931 3
- Kinney, M. J. H. 3
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Topic
- Northwest, Pacific 185
- Bodies of water 129
- Rivers 129
- Photography 89
- River engineering 44
- Aerial photographs 41
- Riparian areas 38
- United States. Congress--Records and correspondence 38
- Mountains 27
- Dams 24
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Region
- Oregon >> United States 185
- Columbia River >> Clatsop County >> Oregon >> United States 81
- Columbia River >> Douglas County >> Washington >> United States 76
- Washington >> United States 71
- Willamette River >> Multnomah County >> Oregon >> United States 28
- Snake River >> Franklin County >> Washington >> United States 14
- 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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Type
- Image 104
- Text 69
- Collection 12
Format
- image/jpeg 94
- image/tiff 59
- application/pdf 20
- application/xml 12
Institution
- University of Oregon 185