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Iowa City

(Encyclopedia)Iowa City, city (2020 pop. 74,828), seat of Johnson co., E Iowa, on both sides of the Iowa River; founded 1839 as the capital of Iowa Territory, inc. 18...

Kaiser, Henry John

(Encyclopedia)Kaiser, Henry John, 1882–1967, American industrialist, b. Sprout Brook, N.Y. He organized his first construction company in 1913, soon entered the road-paving business, and by 1930 was a leader in t...

Imperial Valley

(Encyclopedia)Imperial Valley, fertile region in the Colorado Desert, SE Calif., extending S into NW Mexico. Once part of the Gulf of California, most of the region is below sea level; its lowest point is −232 ft...

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...

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 ...

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...

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...