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crater

(Encyclopedia)crater, circular, bowl-shaped depression on the earth's surface. (For a discussion of lunar craters, see moon.) Simple craters are bowl-shaped with a raised outer rim. Complex craters have a raised ce...

Franklin, Sir John

(Encyclopedia)Franklin, Sir John, 1786–1847, British explorer in N Canada whose disappearance caused a widespread search of the Arctic. Entering the navy in 1801, he fought in the battle of Trafalgar. On his firs...

Amundsen, Roald

(Encyclopedia)Amundsen, Roald (Roald Engelbregt Grauning Amundsen) rōˈäl äˈmo͝onsən [key], 1872–1928, Norwegian polar explorer; the first person to reach the South Pole. He served (1897–99) as first mate...

national parks and monuments

(Encyclopedia)CE5 national parks and monuments. The National Park Service, a bureau of the U.S. Dept. of the Interior, was established in 1916 to oversee the administration of 40 national parks and monuments und...

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 largest outside ...

Portland, cities, United States

(Encyclopedia)Portland. 1 City (1990 pop. 64,358), seat of Cumberland co., SW Maine, situated on a small peninsula and adjacent land, with a large, deepwater harbor on Casco Bay; settled c.1632, set off from Falmou...

Washington, state, United States

(Encyclopedia)CE5 Washington, state in the Pacific Northwest of the United States. It is bordered by Idaho (E); Oregon, with the Columbia River marking much of the boundary (S); the Pacific Ocean (W); and the Ca...

Arctic Ocean

(Encyclopedia)Arctic Ocean, the smallest ocean, c.5,400,000 sq mi (13,986,000 sq km), located entirely within the Arctic Circle and occupying the region around the North Pole. The Arctic basin was almost wholly u...

Harding, Warren Gamaliel

(Encyclopedia)Harding, Warren Gamaliel gəmāˈlēəl [key], 1865–1923, 29th President of the United States (1921–23), b. Blooming Grove (now Corsica), Ohio. After study (1879–82) at Ohio Central College, he ...

weasel

(Encyclopedia)weasel, name for certain small, lithe, carnivorous mammals of the family Mustelidae (weasel family). Members of this family are generally characterized by long bodies and necks, short legs, small roun...

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