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Delaware and Raritan Canal

(Encyclopedia)Delaware and Raritan Canal rârˈĭtən [key], abandoned canal, 45 mi (72 km) long, between Bordentown and New Brunswick, N.J., connecting the Delaware and the Raritan rivers; opened in 1834. Once an ...

Chesapeake and Delaware Canal

(Encyclopedia)Chesapeake and Delaware Canal, sea-level canal, 19 mi (31 km) long, 250 ft (76 m) wide, and 27 ft (8.2 m) deep, connecting the head of Chesapeake Bay with the Delaware River. Built in 1824–29, the c...

Chesapeake and Ohio Canal

(Encyclopedia)Chesapeake and Ohio Canal, former waterway, c.185 mi (300 km) long, from Washington, D.C., to Cumberland, Md., running along the north bank of the Potomac River. A successor to the Potomac Company's (...

Ohio and Erie Canal

(Encyclopedia)Ohio and Erie Canal, former waterway of Ohio, 307 mi (494 km) long, between Lake Erie at Cleveland and the Ohio River at Portsmouth; built 1825–32. It utilized part of the courses of the Cuyahoga, M...

Eiffel, Alexandre Gustave

(Encyclopedia)Eiffel, Alexandre Gustave īˈfəl, Fr. älĕksäNˈdrə güstävˈ āfĕlˈ [key], 1832–1923, French engineer. A noted constructor of bridges and viaducts, he also designed the Eiffel Tower and the...

Clark, Kenneth Bancroft

(Encyclopedia)Clark, Kenneth Bancroft, 1914–2005, American psychologist and educator, b. Panama Canal Zone, grad. Howard (B.A., 1935) and Columbia (Ph.D., 1940). Clark taught psychology at Howard (1937–38) and ...

Pauncefote of Preston, Julian Pauncefote, 1st Baron

(Encyclopedia)Pauncefote of Preston, Julian Pauncefote, 1st Baron pônsˈfo͝ot [key], 1828–1902, British diplomat. He served in various positions in the colonies before becoming (1882) permanent undersecretary f...

Punta Arenas

(Encyclopedia)Punta Arenas po͞onˈtä ärāˈnäs [key], city (1990 est. pop. 120,000), capital of Magallanes y La Antartica Chilena region, S Chile, on the Strait of Magellan, the world's southernmost major city....

Magellan, Strait of

(Encyclopedia)Magellan, Strait of, c.330 mi (530 km) long and 21⁄2 to 15 mi (4–24 km) wide, separating South America from Tierra del Fuego and other islands south of the continent. Except for a few miles at its...

yellow fever

(Encyclopedia)yellow fever, acute infectious disease endemic in tropical Africa and many areas of South and Central America. Yellow fever is caused by a virus transmitted by the bite of the female Aedes aegypti mos...