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Wei, river, China

(Encyclopedia)Wei wā [key], river, c.450 mi (720 km) long, rising in SE Gansu prov. and flowing E through Gansu and Shaanxi provs. to the Huang He. Its wide, alluvial valley was the site of some of the earliest ce...

Samara, river, Russia

(Encyclopedia)Samara səmäˈrə [key], river, c.360 mi (580 km) long, rising in the foothills of the S Urals, European Russia. It flows generally northwest, and joins the Volga River at Samara. ...

Barrow, river, Ireland

(Encyclopedia)Barrow, river, c.120 mi (190 km) long, rising in the Slieve Bloom Mts., Co. Laoighis, central Republic of Ireland. It flows east to the Co. Kildare line, then south along the borders of several counti...

Roosevelt, river, Brazil

(Encyclopedia)Roosevelt, river, c.400 mi (640 km) long, NW Brazil. It was called the Rio da Dúvida [River of Doubt] until it was explored by Theodore Roosevelt in 1913. Renamed in his honor, it is occasionally cal...

Segovia, river, Nicaragua

(Encyclopedia)Segovia, river, Nicaragua and Honduras: see Coco. ...

Senegal, river, Africa

(Encyclopedia)Senegal sĕnĭgôlˈ, sĕnˈĭgôl [key], river, c.1,000 mi (1,610 km) long, formed in SW Mali, W Africa, by the confluence of the Bafing and Bakoy rivers, both of which rise in the Fouta Djallon, N G...

Si, river, China

(Encyclopedia)Si, river, China: see Xi.

Mississippi, river, United States

(Encyclopedia)Mississippi, river, principal river of the United States, c.2,350 mi (3,780 km) long, exceeded in length only by the Missouri, the chief of its numerous tributaries. The combined Missouri-Mississippi ...

Ontario, province, Canada

(Encyclopedia)CE5 Ontario ŏntârˈēō [key], province (2001 pop. 11,410,046), 412,582 sq mi (1,068,587 sq km), E central Canada. Before the arrival of Europeans the Ontario region was inhabited by several Al...

Radisson, Pierre Esprit

(Encyclopedia)Radisson, Pierre Esprit pyĕr ĕsprēˈ rädēsôNˈ [key], c.1632–1710, French explorer and fur trader in North America. He arrived in Canada in 1651. His journals, first published as the Voyages o...