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Thames , river, England

(Encyclopedia)Thames tĕmz [key], Rom. Tamesis, principal river of England, c.210 mi (340 km) long. It rises in four headstreams (the Thames or Isis, Churn, Coln, and Leach) in the Cotswold Hills, E Gloucestershire...

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. ...

Severn, river, Canada

(Encyclopedia)Severn sĕvˈərn [key]. 1 River, c.420 mi (680 km) long, rising in W Ont., Canada, and flowing NE through Severn Lake to Hudson Bay. Fort Severn, a Hudson's Bay Company trading post established (1689...

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...

Saskatchewan, river, Canada

(Encyclopedia)Saskatchewan, river, c.340 mi (550 km) long, formed by the confluence of the North Saskatchewan (c.760 mi/1,220 km long) and the South Saskatchewan (c.550 mi/890 km long) rivers near Prince Albert, ce...

Segovia, river, Nicaragua

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

Stewart, river, Canada

(Encyclopedia)Stewart, river, 331 mi (533 km) long, rising in the Mackenzie Mts., central Yukon, Canada, and flowing generally W to the Yukon River S of Dawson. The river is navigable for most of its length and is ...

Si, river, China

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