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Creator
- Oregon. State Highway Division 70
- Oregon State Highway Commission 54
- United States. War Department 51
- Skelley, E. A. 33
- Oregon Touring Bureau 28
- United States. Army. Office of the Chief of Engineers 18
- United States. Army. Corps of Engineers 14
- Oregon. Department of Transportation 10
- United States. Department of the Interior 7
- University of Oregon. Department of Geography 7
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Topic
- Northwest, Pacific 182
- Rivers 149
- Bodies of water 142
- Photography 114
- Roads 82
- River engineering 71
- United States. Congress--Records and correspondence 51
- Mountains 39
- Aerial photographs 38
- Riparian areas 38
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Region
- Oregon >> United States 365
- Columbia River >> Clatsop County >> Oregon >> United States 100
- Washington >> United States 92
- Columbia River >> Douglas County >> Washington >> United States 85
- Willamette River >> Multnomah County >> Oregon >> United States 46
- Snake River >> Franklin County >> Washington >> United States 23
- Coos Bay >> Coos County >> Oregon >> United States 12
- California >> United States 11
- Celilo Falls (historical) >> Wasco County >> Oregon >> United States 10
- Idaho >> United States 9
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Rights
- No Copyright - United States 365
Type
- Image 220
- Text 131
- Collection 14
Format
- image/tiff 177
- image/jpeg 141
- application/pdf 33
- application/xml 14
Institution
- University of Oregon 365