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Great Artesian Basin

(Encyclopedia)Great Artesian Basin, c.670,000 sq mi (1,735,300 sq km), between the Eastern Highlands and the Western Plateau, E central Australia, extending S from the Gulf of Carpentaria, Queensland, to NE South A...

Great Australian Bight

(Encyclopedia)Great Australian Bight, wide bay of the Indian Ocean, indenting the southern coast of Australia in Western Australia and South Australia. An unbroken line of cliffs c.200 ft (60 m) high runs along muc...

Great Barrier Reef

(Encyclopedia)Great Barrier Reef, largest complex of coral reef in the world, c.1,250 mi (2,000 km) long, in the Coral Sea, forming a natural breakwater for the coast of Queensland, NE Australia. Composed of more t...

Great Bear Lake

(Encyclopedia)Great Bear Lake, largest lake of Canada and fourth largest of North America, c.12,275 sq mi (31,800 sq km), c.190 mi (310 km) long and from 25 to 110 mi (40–177 km) wide, Northwest Territories, on t...

Great Dismal Swamp

(Encyclopedia)Great Dismal Swamp, SE Va. and NE N.C. With dense forests and tangled undergrowth, the wetlands are a favorite site for sportsmen and naturalists. It once may have covered nearly 2,200 sq mi (5,700 sq...

Great Dividing Range

(Encyclopedia)Great Dividing Range, crest line of the Eastern Highlands of Australia. For the most part it separates rivers draining into the Pacific Ocean from those flowing into the Indian Ocean and the Arafura S...

Great Leap Forward

(Encyclopedia)Great Leap Forward, 1957–60, Chinese economic plan aimed at revitalizing all sectors of the economy. Initiated by Mao Zedong, the plan emphasized decentralized, labor-intensive industrialization, ty...

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