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Topic
- Bodies of water 29
- Rivers 29
- Northwest, Pacific 22
- West (U.S.) 22
- Canals--Design and construction--Costs 15
- Dams--Design and construction 15
- Transportation 15
- Water resources development 15
- River engineering 14
- River surveys 14
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Region
- Snake River >> Franklin County >> Washington >> United States 29
- Willamette River >> Multnomah County >> Oregon >> United States 29
- Cowlitz River >> Cowlitz County >> Washington >> United States 19
- Columbia River >> Clatsop County >> Oregon >> United States 15
- Portland >> Clackamas County >> Oregon >> United States 15
- Chehalis River >> Grays Harbor County >> Washington >> United States 14
- Columbia River >> Douglas County >> Washington >> United States 14
- Oregon >> United States 14
- Skagit River >> Skagit County >> Washington >> United States 14
- Washington >> United States 14
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Type
- Text 27
- Collection 2
Decade
- 1880-1889 29