Columbia Encyclopedia

Search results

500 results found

Agassiz, Lake

(Encyclopedia)Agassiz, Lake ăgˈəsē [key], glacial lake of the Pleistocene epoch, c.700 mi (1,130 km) long, 250 mi (400 km) wide, formed by the melting of the continental ice sheet beginning some 14,000 years ag...

Wyeth, Nathaniel Jarvis

(Encyclopedia)Wyeth, Nathaniel Jarvis, 1802–56, American explorer and trader in the far West, b. Cambridge, Mass. A businessman in Boston, he was fired with a desire to go to Oregon by the eloquence of Hall J. Ke...

Alberta

(Encyclopedia)CE5 Alberta ălbûrˈtə [key], province, 255,285 sq mi (661,188 sq km), including 6,485 sq mi (16,796 sq km) of water surface, W Canada. Alberta was originally part...

McClintock, Sir Francis Leopold

(Encyclopedia)McClintock, Sir Francis Leopold, 1819–1907, British arctic explorer. As a lieutenant in the navy he was assigned to his first arctic service in 1848, when Sir James Clark Ross went in search of the ...

Bronx, the

(Encyclopedia)Bronx, the, borough of New York City, coextensive with Bronx co. (2020 pop. 1,472,654), land area 42 sq mi (106 sq km), SE N.Y. The name comes from Jona...

Baffin Island

(Encyclopedia)Baffin Island, 183,810 sq mi (476,068 sq km), c.1,000 mi (1,610 km) long and from 130 to 450 mi (210–720 km) wide, in the Arctic Ocean, Nunavut Territory, Canada. It is the fifth largest island in t...

Doughty, Thomas

(Encyclopedia)Doughty, Thomas, 1793–1856, American painter of the Hudson River school, b. Philadelphia. Although self-taught, he was one of the first American landscape painters to win widespread recognition at h...

Frobisher, Sir Martin

(Encyclopedia)Frobisher, Sir Martin frōˈbĭshər [key], 1535?–1594, English mariner. He went to sea as a boy, and spent much of his youth in the African trade. He later gained the friendship of Sir Humphrey Gil...

Constitution Island

(Encyclopedia)Constitution Island, in the Hudson River opposite West Point, SE N.Y.; part of the U.S. Military Academy. The ruins of Fort Constitution, built in 1775, are there. During the American Revolution, a ch...

Canadian Shield

(Encyclopedia)Canadian Shield or Laurentian Plateau lôrĕnˈchən [key], U-shaped region of ancient rock, the nucleus of North America, stretching N from the Great Lakes to the Arctic Ocean. Covering more than hal...