Limit your search
Creator
- United States. Army. Office of the Chief of Engineers 105
- Fisk, W. L. (Walter Leslie), 1855- 1
- Harts, W. W. (William Wright), 1866-1961 1
Topic
- United States--Appropriations and expenditures 105
- River engineering 95
- River surveys 52
- West (U.S.) 36
- Canals--Design and construction--Costs 12
- Locks (Hydraulic engineering) 11
- Bodies of water 7
- Dams--Design and construction 7
- Transportation 7
- Railroad engineering 5
- more »
Region
- Columbia River >> Clatsop County >> Oregon >> United States 72
- Willamette River >> Multnomah County >> Oregon >> United States 43
- Portland >> Clackamas County >> Oregon >> United States 39
- Oregon >> United States 18
- Yamhill River >> Yamhill County >> Oregon >> United States 15
- Washington >> United States 14
- Snake River >> British Columbia >> Canada 13
- Vancouver >> Clark County >> Washington >> United States 13
- Cowlitz River >> Cowlitz County >> Washington >> United States 12
- Clackamas Rapids >> Clackamas County >> Oregon >> United States 10
- more »
Type
- Text 101
- Collection 4
Format
- image/jpeg 101
- application/xml 4
