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Aurora, cities, United States

(Encyclopedia)Aurora ərôrˈə, ô– [key]. 1 City (2020 pop. 386,261), Adams and Arapahoe counties, N central Colo., a growing suburb on the east side of Denver; inc. 1903. Founded d...

(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...

Oneida, city, United States

(Encyclopedia)Oneida ōnīˈdə [key], city (1990 pop. 10,850), Madison co., central N.Y.; inc. 1901. Tableware was long the best-known product, and some is still manufactured in neighboring Sherrill, N.Y. Machine ...

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...

Paradise, town, United States

(Encyclopedia)Paradise, town (1990 pop. 25,406), Butte co., N central Calif., located along a broad ridge in the foothills of the Sierra Nevada range, inc. 1979. It is mainly residential with a growing population. ...

Paris, city, United States

(Encyclopedia)Paris pârˈĭs [key], city (1990 pop. 24,699), seat of Lamar co., E Tex., in the Red River valley; settled 1824. It is a processing center for the rich farms of the blackland region, which produces c...

Parma, city, United States

(Encyclopedia)Parma pärˈmə [key], city (1990 pop. 87,876), Cuyahoga co., NE Ohio, a suburb S of Cleveland; settled 1816, inc. 1924. Named for the Italian city of Parma, it is residential with a large industrial ...

Palatine, village, United States

(Encyclopedia)Palatine pălˈətīn [key], village (1990 pop. 39,253), Cook co., NE Ill.; inc. 1869. Primarily residential, the growing village manufactures a variety of products, such as machine tools and industri...