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Creator
- United States. Army. Office of the Chief of Engineers 43
- Fisk, W. L. (Walter Leslie), 1855- 1
- Harts, W. W. (William Wright), 1866-1961 1
Topic
- United States--Appropriations and expenditures 43
- River engineering 41
- River surveys 23
- West (U.S.) 14
- Locks (Hydraulic engineering) 7
- Dams--Design and construction 6
- Canals--Design and construction--Costs 5
- Bodies of water 4
- Railroad engineering 3
- Transportation 3
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Region
- Willamette River >> Multnomah County >> Oregon >> United States 43
- Columbia River >> Clatsop County >> Oregon >> United States 33
- Portland >> Clackamas County >> Oregon >> United States 29
- Yamhill River >> Yamhill County >> Oregon >> United States 13
- Vancouver >> Clark County >> Washington >> United States 10
- Clackamas Rapids >> Clackamas County >> Oregon >> United States 9
- Astoria >> Clatsop County >> Oregon >> United States 7
- Corvallis >> Benton County >> Oregon >> United States 7
- Cowlitz River >> Cowlitz County >> Washington >> United States 7
- Oregon >> United States 7
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Type
- Text 39
- Collection 4