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- Grand Coulee Dam (Wash.) 4
- Dams 3
- American wit and humor, Pictorial 1
- Columbia River 1
- Electric power transmission 1
- Franklin D. Roosevelt Lake (Wash.) 1
- Lakes 1
- Locks (Hydraulic engineering)--Oregon 1
- Oregon--Politics and government 1
- United States--Politics and government--1933-1953 1
- United States--Politics and government--Caricatures and cartoons 1
- Water resources development 1
- World politics--Caricatures and cartoons 1
