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Wrexham

(Encyclopedia)Wrexham rĕkˈsəm [key], Welsh Wrescam, town (1981 pop. 39,929) and county borough, 193 sq mi (499 sq km), NE Wales. It lies in the coal field of N Wales. Wrexham's industries include the manufacture...

Ziegler, Karl

(Encyclopedia)Ziegler, Karl tsēˈglər [key], 1898–1973, German chemist. Educated at the Univ. of Marburg, he taught at Heidelberg and Halle and for a short period at the Univ. of Chicago. He became director of ...

Berlin airlift

(Encyclopedia)Berlin airlift, 1948–49, supply of vital necessities to West Berlin by air transport primarily under U.S. auspices. It was initiated in response to a land and water blockade of the city that had bee...

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 ...

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...

Hokkaido

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

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...

Norilsk

(Encyclopedia)Norilsk nərēlskˈ [key], city (1989 pop. 175,000), Krasnoyarsk Territory, N Siberian Russia. The northernmost major city of Russia and the world's second largest city (after Murmansk) above the Arct...