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Alpena

(Encyclopedia)Alpena ălpēˈnə [key], city, seat of Alpena co., N Mich., on Thunder Bay, an arm of Lake Huron; inc. 1871. Limestone quarried nearby is used to make cement, Alpena's ch...

Leo the Great, Saint

(Encyclopedia)Leo the Great, Saint: see Leo I, Saint. ...

Mona, island, Great Britain

(Encyclopedia)Mona, Roman name for the island of Anglesey, Wales. It was also sometimes used to designate the Isle of Man. ...

Great Limpopo Transfrontier Park

(Encyclopedia)Great Limpopo Transfrontier Park, c.13,500 sq mi (35,000 sq km; roughly the size of Belgium), the largest multinational park in S Africa and one of the largest parks in the world, in NE South Africa, ...

Great Salt Plains Dam

(Encyclopedia)Great Salt Plains Dam, on Salt Fork, a tributary of the Arkansas River, NW Okla., near Enid. The dam was authorized in 1936 as a federal project and completed in 1941. In a salt-encrusted plains area,...

Great Wall of China

(Encyclopedia)Great Wall of China, series of fortifications, c.3,890 mi (6,260 km) long (not including trenches and natural defensive barriers), winding across N China from Gansu prov. to Liaoning prov. The wall, r...

Gregory the Great, Saint

(Encyclopedia)Gregory the Great, Saint: see Gregory I, Saint. ...

Albert the Great, Saint

(Encyclopedia)Albert the Great, Saint: see Albertus Magnus, Saint. ...

China, Great Wall of

(Encyclopedia)China, Great Wall of: see Great Wall of China. ...

Severn, river, Great Britain

(Encyclopedia)Severn sĕvˈərn [key], Lat. Sabrina, one of the principal rivers of Great Britain, c.200 mi (320 km) long, rising on Plinlimmon Mt., W Wales, and flowing NE and E to Shrewsbury, W England, and from ...