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New York State Canal System

(Encyclopedia) New York State Canal System, waterway system, 524 mi (843 km) long, traversing New York state and connecting the Great Lakes with the Finger Lakes, the Hudson River, and Lake Champlain. The waterway, ...

Niagara, river, United States and Canada

(Encyclopedia) Niagara nīăgˈrə [key], river, 34 mi (55 km) long, issuing from Lake Erie between Buffalo, N.Y., and Fort Erie, Ont., Canada. It flows north around Grand Island and over Niagara Falls to Lake Ontar...

Mondale, Walter Frederick

(Encyclopedia) Mondale, Walter Frederick ("Fritz"), 1928–2021, Vice President of the United States (1977–81), b. Ceylon, Minn., Univ. of Minn. (B.A., 1951; LL.B., ...

alabaster

(Encyclopedia) alabaster, fine-grained, massive, translucent variety of gypsum, a hydrous calcium sulfate. It is pure white or streaked with reddish brown. Alabaster, like all other forms of gypsum, forms by the eva...

Cope, Edward Drinker

(Encyclopedia) Cope, Edward Drinker, 1840–97, American paleontologist and comparative anatomist, b. Philadelphia, studied at the Academy of Natural Sciences, Philadelphia, and at the Smithsonian Institution. His l...

De Smet, Pierre Jean

(Encyclopedia) De Smet, Pierre Jean pyĕr zhäN də smĕtˈ [key], 1801–73, Jesuit missionary in the U.S. Pacific Northwest, b. Belgium. He emigrated to the United States in 1821, served his novitiate in Florissan...

Missouri, river, United States

(Encyclopedia) Missouri, river, c.2,565 mi (4,130 km) long (including its Jefferson-Beaverhead-Red Rock headstream), the longest river of the United States and the principal tributary of the Mississippi River. The l...

Red River, rivers, United States and Canada

(Encyclopedia) Red River. 1 River, 1,222 mi (1,967 km) long, southernmost of the large tributaries of the Mississippi River. It rises in two branches in the Texas Panhandle and flows SE between Texas and Oklahoma an...
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