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- Public works 11
- Fountains 3
- Hydraulic structures 3
- Plazas 3
- Cascade Locks (Or.) 2
- Columbia River Highway (Or.) 2
- Locks (Hydraulic engineering) 2
- Signs and signboards 2
- Streets 2
- Buildings 1
- Drinking fountains 1
- Liberty bonds 1
- Log buildings 1
- Monuments 1
- Patriotism 1
- Water utilities 1
- Water-supply 1
- Women 1
- World War, 1914-1918 1