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Odessa, city, United States

(Encyclopedia)Odessa ōdĕsˈə [key], city (1990 pop. 89,699), seat of Ector co., W Tex.; founded 1881, inc. 1927. Great oil deposits just to the south changed Odessa from a small ranch town into a large and growi...

Ogden, river, United States

(Encyclopedia)Ogden, river, 35 mi (56 km) long, rising in the Wasatch Range in N Utah, and flowing SW to join the Weber River at Ogden. The river has been used for irrigation for nearly a century. The Ogden–Brigh...

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...

Ontario, city, United States

(Encyclopedia)Ontario, city (1990 pop. 133,179), San Bernardino co., S Calif., near Los Angeles, in a region of vineyards; inc. 1891. Manufactures include aircraft and aircraft parts, aerospace vehicle parts, sport...

Orange, cities, United States

(Encyclopedia)Orange. 1 City (1990 pop. 110,658), Orange co., S Calif.; inc. 1888. Citrus fruits and nuts are packed, processed, and shipped; rubber and plastic products, electronic components, aircraft parts, and ...

Oregon, city, United States

(Encyclopedia)Oregon, city (1990 pop. 18,334), Lucas co., NW Ohio, a suburb adjacent to Toledo, on Lake Erie; inc. 1958. It is a port with railroad-owned and -operated docks. The city has industries producing oil, ...

Vienna, town, United States

(Encyclopedia)Vienna, town (1990 pop. 14,852), Fairfax co., N Va., a residential suburb of Washington, D.C.; inc. 1890. There is computer software research. Originally called Springfield, Vienna became the site of ...

Vincennes, city, United States

(Encyclopedia)Vincennes vĭnsĕnzˈ [key], city (1990 pop. 19,859), seat of Knox co., SW Ind., on the Wabash River; inc. 1814. The city is the center of an extensive farm area. Its many industries include food proc...

Virginia, city, United States

(Encyclopedia)Virginia, city (1990 pop. 9,410), St. Louis co., NE Minn., on the Mesabi range; inc. 1892. In addition to its iron mines—both open-pit and underground—the city has foundries, lumbering, and food-p...

Wabash, city, United States

(Encyclopedia)Wabash wôˈbăshˌ [key], city (1990 pop. 12,127), seat of Wabash co., N central Ind., on the Wabash River; inc. 1849. It is an agricultural trade center for wheat, corn, soybeans, vegetables, and fr...