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Organization of American States
(Encyclopedia)Organization of American States (OAS), international organization, created Apr. 30, 1948, at Bogotá, Colombia, by agreement of Argentina, Bolivia, Brazil, Chile, Colombia, Costa Rica, the Dominican R...Iowa, state, United States
(Encyclopedia)CE5 Iowa īˈəwə [key], midwestern state in the N central United States. It is bounded by the Mississippi River, across which lie Wisconsin and Illinois (E); Missouri (S); Nebraska and South Dako...Natchez, city, United States
(Encyclopedia)Natchez, city (1990 pop. 19,460), seat of Adams co., SW Miss., on bluffs above the Mississippi River; settled 1716, inc. 1803. It is the trade, shipping, and processing center for a soybean, corn, cot...turn and bank indicator
(Encyclopedia)turn and bank indicator, aircraft instrument containing one indicator to show turning, or rotation about the vertical axis, and another to show banking, or rotation about the longitudinal axis. The tw...Arkansas, river, United States
(Encyclopedia)Arkansas ärkănˈzəs, ärˈkənsôˌ [key], river, c.1,450 mi (2,330 km) long, rising in the Rocky Mts., central Colo., and flowing generally SE across the plains to the Mississippi River, SE Ark.; ...Middletown, cities, United States
(Encyclopedia)Middletown. 1 Industrial city (1990 pop. 42,762), Middlesex co., central Conn., on the west bank of the Connecticut River; settled 1650, inc. 1784, town and city consolidated 1923. Its manufactures in...Ohio, river, United States
(Encyclopedia)Ohio, river, 981 mi (1,579 km) long, formed by the confluence of the Allegheny and Monongahela rivers in SW Pa., at Pittsburgh; it flows northwest, then generally southwest to enter the Mississippi Ri...United States Naval Observatory
(Encyclopedia)United States Naval Observatory, a federal astronomical observatory, located in Washington, D. C. It evolved from the Navy's oldest scientific institution, the Depot of Charts and Instruments, founded...United States National Science Foundation
(Encyclopedia)United States National Science Foundation: see National Science Foundation. ...United States–Mexico–Canada Agreement
(Encyclopedia)United States–Mexico–Canada Agreement: see North American Free Trade Agreement. ...Browse by Subject
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