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Creator
- United States. War Department 20
- United States. War Department. Office of the Chief of Engineers 5
- Wilson, John M. (John Moulder), 1837-1919 3
- Michler, N. (Nathaniel), 1827-1881 2
Region
- Oregon >> United States 16
- Washington >> United States 15
- Columbia River >> Douglas County >> Washington >> United States 14
- Willamette River >> Multnomah County >> Oregon >> United States 14
- Snake River >> Franklin County >> Washington >> United States 8
- California >> United States 6
- San Francisco Bay >> San Mateo County >> California >> United States 3
- Umpqua River >> Douglas County >> Oregon >> United States 3
- Coos Bay >> Coos County >> Oregon >> United States 2
- San Joaquin River >> Contra Costa County >> California >> United States 2
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Type
- Text 20
Decade
- 1870-1879 20