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Hoover Institution on War, Revolution, and Peace

(Encyclopedia)Hoover Institution on War, Revolution, and Peace, at Stanford, Calif. It was established in 1919 as the Hoover War Library by Herbert Hoover to extend his collection of documents of World War I, but i...

Great Salt Plains Dam

(Encyclopedia)Great Salt Plains Dam, on Salt Fork, a tributary of the Arkansas River, NW Okla., near Enid. The dam was authorized in 1936 as a federal project and completed in 1941. In a salt-encrusted plains area,...

Bonus Marchers

(Encyclopedia)Bonus Marchers, in U.S. history, more than 20,000 veterans, most of them unemployed and in desperate financial straits, who, in the spring of 1932, spontaneously made their way to Washington, D.C. The...

Colorado, rivers, United States and Mexico

(Encyclopedia)Colorado [1] kŏlərădˈə, –rădˈō, –räˈdō [2] kŏlərāˈdə, –räˈdə [key]. 1 Great river of the SW United States, 1,450 mi (2,334 km) long, rising in the Rocky Mts. of N Colo., and f...

Agricola, Georgius

(Encyclopedia)Agricola, Georgius gāˈôrk bouˈər [key], 1494–1555, German physician and scientist, known as the father of mineralogy. He was a pioneer in physical geology and the first to classify minerals sci...

W. A. C. Bennett Dam

(Encyclopedia)W. A. C. Bennett Dam: see Peace, river, Canada. ...

Hawley-Smoot Tariff Act

(Encyclopedia)Hawley-Smoot Tariff Act, 1930, passed by the U.S. Congress; it brought the U.S. tariff to the highest protective level yet in the history of the United States. President Hoover desired a limited upwar...

Curtis, Charles

(Encyclopedia)Curtis, Charles, 1860–1936, Vice President of the United States (1929–33), b. near North Topeka, Kans. Of part Native American background, Curtis lived for three years on a Kaw reservation. After ...

Henderson

(Encyclopedia)Henderson. 1 City (2020 pop. 27,801), seat of Henderson co., NW Ky., on the Ohio River, in an oil, coal, tobacco, corn, and livestock area; founded ...

Westerville

(Encyclopedia)Westerville, city (1990 pop. 30,269), Delaware and Franklin counties, central Ohio; inc. 1858. Seed and grain cleaners, fabricated steel, and dairy products are made. Otterbein College is there. Hoove...