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Creator
- United States. Army. Corps of Engineers 14
- United States. War Department 14
- United States. Agricultural Stabilization and Conservation Service 5
- Smith, Katherine Louise 4
- WAC Corp. 4
- Powell, Charles Francis, 1843-1907 3
- United States. Army Map Service 3
- United States. Commodity Stabilization Service 3
- EROS Data Center 2
- Geological Survey (U.S.) 2
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Topic
- Bodies of water 129
- Northwest, Pacific 129
- Rivers 120
- Photography 67
- Aerial photographs 41
- Riparian areas 38
- Mountains 27
- Dams 23
- River engineering 17
- United States. Congress--Records and correspondence 16
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Region
- Oregon >> United States 129
- Columbia River >> Clatsop County >> Oregon >> United States 66
- Columbia River >> Douglas County >> Washington >> United States 51
- Washington >> United States 51
- Willamette River >> Multnomah County >> Oregon >> United States 19
- Snake River >> Franklin County >> Washington >> United States 13
- Bonneville Dam >> Multnomah County >> Oregon >> United States 5
- Celilo Falls (historical) >> Wasco County >> Oregon >> United States 5
- Coos Bay >> Coos County >> Oregon >> United States 5
- Multnomah Falls >> Multnomah County >> Oregon >> United States 5
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Type
- Image 101
- Text 25
- Collection 3
Format
- image/tiff 56
- image/jpeg 50
- application/pdf 20
- application/xml 3
Institution
- University of Oregon 129