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Creator
- United States. War Department 20
- United States. Army. Corps of Engineers 7
- United States. Department of the Interior 7
- United States. Bonneville Power Administration 5
- Powell, Charles Francis, 1843-1907 3
- Gillespie, G. L. 2
- Michler, N. (Nathaniel), 1827-1881 2
- Shaw, Emma 2
- United States. Commodity Stabilization Service 2
- WAC Corp. 2
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Topic
- Northwest, Pacific 77
- Bodies of water 56
- Rivers 53
- Photography 23
- River engineering 23
- United States. Congress--Records and correspondence 22
- Dams 20
- Aerial photographs 19
- River surveys 16
- Riparian areas 12
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Region
- Oregon >> United States 77
- Washington >> United States 77
- Columbia River >> Douglas County >> Washington >> United States 68
- Willamette River >> Multnomah County >> Oregon >> United States 19
- Snake River >> Franklin County >> Washington >> United States 18
- Bonneville Dam >> Multnomah County >> Oregon >> United States 6
- Coos Bay >> Coos County >> Oregon >> United States 5
- Idaho >> United States 5
- Celilo Falls (historical) >> Wasco County >> Oregon >> United States 3
- Columbia River >> Clatsop County >> Oregon >> United States 3
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Type
- Text 39
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Format
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- application/xml 6