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Creator
- United States. Army. Office of the Chief of Engineers 112
- Lorraine, Madison Johnson 101
- Fisk, W. L. (Walter Leslie), 1855- 76
- Harts, W. W. (William Wright), 1866-1961 76
- United States. War Department 30
- United States. Army. Corps of Engineers 15
- Powell, Charles Francis, 1843-1907 5
- United States. Agricultural Stabilization and Conservation Service 5
- Smith, Katherine Louise 4
- WAC Corp. 4
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Topic
- Bodies of water 394
- Rivers 292
- Northwest, Pacific 270
- West (U.S.) 159
- Photography 132
- River engineering 115
- Explorers 88
- Riparian areas 62
- Discovery and exploration 59
- Railroad engineering 49
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Region
- Columbia River >> Clatsop County >> Oregon >> United States 276
- Oregon >> United States 152
- Willamette River >> Multnomah County >> Oregon >> United States 141
- Columbia River >> Douglas County >> Washington >> United States 102
- Washington >> United States 88
- Yamhill River >> Yamhill County >> Oregon >> United States 81
- Snake River >> British Columbia >> Canada 79
- Cascade Locks >> Hood River County >> Oregon >> United States 77
- Snake River >> Franklin County >> Washington >> United States 51
- Cowlitz River >> Cowlitz County >> Washington >> United States 32
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Type
- Text 252
- Image 131
- Collection 11
Format
- image/jpeg 259
- image/tiff 84
- application/pdf 40
- application/xml 11
Collection
- Western Waters Digital Library 394
- Angelus Studio photographs, 1880s-1940s 36
