Limit your search
Topic
- United States--Appropriations and expenditures 44
- River engineering 38
- West (U.S.) 32
- Canals--Design and construction--Costs 8
- Locks (Hydraulic engineering) 5
- Transportation 5
- Railroad engineering 4
- Bodies of water 3
- Dams--Design and construction 3
- Railroad construction & maintenance 1
Region
- Columbia River >> Clatsop County >> Oregon >> United States 28
- Portland >> Clackamas County >> Oregon >> United States 24
- Willamette River >> Multnomah County >> Oregon >> United States 17
- Clatskanie River >> Columbia County >> Oregon >> United States 7
- Cowlitz River >> Cowlitz County >> Washington >> United States 6
- Oregon City >> Clackamas County >> Oregon >> United States 6
- Washington >> United States 6
- Yamhill River >> Yamhill County >> Oregon >> United States 6
- Pacific Ocean >> Earth 5
- Vancouver >> Clark County >> Washington >> United States 5
- more ยป
Type
- Text 43
- Collection 1
Collection
- Western Waters Digital Library 44
Decade
- 1910-1919 44