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Grand Coulee Dam

(Encyclopedia) Grand Coulee Dam Grand Coulee Dam k&oomacr;ˈlē [key], 550 ft (168 m) high and 4,173 ft (1,272 m)…

Glen Canyon Dam

(Encyclopedia) Glen Canyon Dam, 710 ft (216 m) high, 1,560 ft (475 m) long, NE Ariz., on the Colorado River. The key unit of the U.S. Bureau of Reclamation's Colorado River storage project, it is one…

Hoover Dam

(Encyclopedia) Hoover Dam, 726 ft (221 m) high and 1,244 ft (379 m) long, on the Colorado River between Nev. and Ariz.; one of the world's largest dams. Built between 1931 and 1936 by the U.S. Bureau…

New York Bay

(Encyclopedia) New York Bay, arm of the Atlantic Ocean at the mouth of the Hudson River, SE N.Y. and NE N.J., enclosed by the shores of NE New Jersey, E Staten Island, S Manhattan, and W Long Island…

Alcatraz

(Encyclopedia) AlcatrazAlcatrazălˈkətrăzˌ [key] [Sp. Álcatraces=pelicans], rocky island in San Francisco Bay, W Calif, about one mile (1.61 km) north of San Francisco. Alcatraz was first sighted by…

Colorado River storage project

(Encyclopedia) Colorado River storage project, a multipurpose plan, undertaken by the U.S. Bureau of Reclamation in 1956, to control the flow of the upper Colorado and its tributaries and to aid in…

Staten Island

(Encyclopedia) Staten Island (1990 pop. 378,977), 59 sq mi (160 sq km), SE N.Y., in New York Bay, SW of Manhattan, forming Richmond co. of New York state and the borough of Staten Island of New York…

Queens

(Encyclopedia) Queens, borough of New York City (1990 pop. 1,951,598), land area c.109 sq mi (293 sq km), on the western portion of Long Island, SE N.Y., coextensive with Queens co.; settled by the…

Rio Grande, river, United States and Mexico

(Encyclopedia) Rio GrandeRio Granderēˈō grănd, rēˈō gränˈdē [key], river, c.1,885 mi (3,000 km) long, rising in SW Colo. in the San Juan Mts. and flowing south through the middle of N.Mex., past…

Long Island, island, United States

(Encyclopedia) Long Island (1990 pop. 6,861,454), 1,723 sq mi (4,463 sq km), 118 mi (190 km) long, and from 12 to 20 mi (19–32 km) wide, SE N.Y.; fourth largest island of the United States and the…