Limit your search
Creator
- United States. Army. Office of the Chief of Engineers 101
- Fisk, W. L. (Walter Leslie), 1855- 1
- Harts, W. W. (William Wright), 1866-1961 1
Topic
- United States--Appropriations and expenditures 101
- River engineering 91
- River surveys 50
- West (U.S.) 35
- Canals--Design and construction--Costs 10
- Locks (Hydraulic engineering) 9
- Transportation 6
- Bodies of water 5
- Dams--Design and construction 5
- Railroad engineering 3
- more »
Region
- Columbia River >> Clatsop County >> Oregon >> United States 68
- Willamette River >> Multnomah County >> Oregon >> United States 39
- Portland >> Clackamas County >> Oregon >> United States 35
- Oregon >> United States 17
- Washington >> United States 13
- Yamhill River >> Yamhill County >> Oregon >> United States 11
- Snake River >> British Columbia >> Canada 9
- Vancouver >> Clark County >> Washington >> United States 9
- Cowlitz River >> Cowlitz County >> Washington >> United States 8
- Clackamas Rapids >> Clackamas County >> Oregon >> United States 7
- more »
Format
- image/jpeg 101
Institution
- University of Oregon 101