Limit your search
Creator
- United States. War Department 75
- United States. Department of the Interior 18
- United States. Bonneville Power Administration 17
- Elliott, T. C. (Thompson Coit), 1862-1943 11
- United States. Army. Corps of Engineers 6
- Powell, Charles Francis, 1843-1907 5
- Wilson, John M. (John Moulder), 1837-1919 3
- Michler, N. (Nathaniel), 1827-1881 2
- Rogers, W. A. (William A.) 2
- Shaw, Emma 2
- more »
Topic
- Northwest, Pacific 168
- Rivers 101
- Bodies of water 91
- River engineering 80
- United States. Congress--Records and correspondence 77
- Photography 54
- Riparian areas 33
- River surveys 29
- Rapids 24
- Mountains 22
- more »
Region
- Columbia River >> Douglas County >> Washington >> United States 186
- Washington >> United States 89
- Oregon >> United States 85
- Willamette River >> Multnomah County >> Oregon >> United States 52
- Snake River >> Franklin County >> Washington >> United States 25
- Coos Bay >> Coos County >> Oregon >> United States 13
- California >> United States 11
- Bonneville Dam >> Multnomah County >> Oregon >> United States 10
- Idaho >> United States 9
- Clearwater River >> Nez Perce County >> Idaho >> United States 6
- more »
Rights
- No Copyright - United States 186
Type
- Text 116
- Image 58
- Collection 12
Format
- image/jpeg 101
- image/tiff 40
- application/pdf 33
- application/xml 12
Institution
- University of Oregon 186