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Port Harcourt

(Encyclopedia)Port Harcourt härˈkərt, –kôrt [key], city (1991 est. pop. 362,000), SE Nigeria, a deepwater port on the Bonny River in the Niger delta. It is an industrial and commercial center where steel and ...

Pôrto Alegre

(Encyclopedia)Pôrto Alegre pōrˈto͝o əlĕˈgrə [key], city (1991 pop. 1,263,403), capital of Rio Grande do Sul state, SE Brazil, on the Guaíba River. One of the chief industrial and commercial centers of Braz...

Ordos

(Encyclopedia)Ordos ôrˈdōs [key], Mandarin Erdesi, sandy desert plateau region, c.35,000 sq mi (90,650 sq km), Inner Mongolian Autonomous Region, N China; almost encircled by the great northern bend of the Huang...

Vistula

(Encyclopedia)Vistula vĭsˈcho͝olə [key], Pol. Wisła, longest river and principal waterway of Poland, c.665 mi (1,070 km) long. It rises in the West Beskid range of the Carpathians, S Poland, and flows NE past ...

Hokkaido

(Encyclopedia)Hokkaido hōkīˈdō [key], island, c.30,130 sq mi (78,040 sq km), N Japan, separated from Ho...

lighthouse

(Encyclopedia)lighthouse, towerlike structure erected to give guidance and warning to ships and aircraft by either visible or radioelectrical means. Lighthouses were long built to conform in structure to their geog...

Khakass Republic

(Encyclopedia)Khakass Republic khəkäsˈēə [key], constituent republic (1990 est. pop. 573,000) 23,900 sq mi (61,900 sq km), S central Siberian Russia, in Krasnoyarsk Territory. Abakan (the capital) and Chernogo...

United Mine Workers of America

(Encyclopedia)United Mine Workers of America (UMW), international labor union formed (1890) by the amalgamation of the National Progressive Union (organized 1888) and the mine locals under the Knights of Labor. It ...

fuel

(Encyclopedia)fuel, material that can be burned or otherwise consumed to produce heat. The common fuels used in industry, transportation, and the home are burned in air. The carbon and hydrogen in fuel rapidly comb...

Cumberland, river, United States

(Encyclopedia)Cumberland, river, 687 mi (1,106 km) long, rising in E Ky., and winding generally SW through Ky. and Tenn., then NW to the Ohio River near Paducah, Ky.; drains c.18,500 sq mi (47,910 sq km). The devel...