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Sioux City,city (1990 pop. 80,505), seat of Woodbury co., NW Iowa, at the junction of the Big Sioux and Floyd rivers with the Missouri; inc. 1857. It is a shipping, wholesale trade, and industrial center for an extensive agricultural and livestock area (including nearby states). It has a huge, central livestock market, a leading hog market, meatpacking houses, and processing plants for popcorn, poultry, and honey. Chemicals and fertilizers, electric and electronic goods, consumer products, feeds, apparel, machinery, transportation and computer equipment, communication towers, and seed are among its diverse products. The city was named to a honor a Sioux chief who aided the area's early pioneers. Morningside College and Briar Cliff Univ. are there. Nearby is a monument commemorating the death and burial (1804) of Sgt. Charles Floyd of the Lewis and Clark expeditionLewis and Clark expedition,
1803–6, U.S. expedition that explored the territory of the Louisiana Purchase and the country beyond as far as the Pacific Ocean. Purpose
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a city in the USA, in the state of Iowa; situated on the Missouri river. Population, 86,000 (1970). A railroad junction and a trade center, Sioux City has a food-processing industry, including meat packing, the production of dairy products, and flour milling.