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Creator
- United States. Army. Office of the Chief of Engineers 177
- Fisk, W. L. (Walter Leslie), 1855- 76
- Harts, W. W. (William Wright), 1866-1961 76
Topic
- River engineering 177
- West (U.S.) 108
- United States--Appropriations and expenditures 95
- Bodies of water 83
- Northwest, Pacific 77
- River surveys 54
- Railroad engineering 51
- Canals--Design and construction--Costs 10
- Locks (Hydraulic engineering) 10
- Dams--Design and construction 7
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Region
- Columbia River >> Clatsop County >> Oregon >> United States 147
- Willamette River >> Multnomah County >> Oregon >> United States 118
- Snake River >> British Columbia >> Canada 90
- Yamhill River >> Yamhill County >> Oregon >> United States 90
- Cascade Locks >> Hood River County >> Oregon >> United States 80
- Portland >> Clackamas County >> Oregon >> United States 37
- Oregon >> United States 17
- Washington >> United States 14
- Vancouver >> Clark County >> Washington >> United States 13
- Cowlitz River >> Cowlitz County >> Washington >> United States 12
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Rights
- No Copyright - United States 177
Type
- Text 171
- Collection 6
Format
- image/jpeg 171
- application/xml 6
