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Smoky

(Encyclopedia)Smoky, river, c.250 mi (400 km) long, rising in Jasper National Park, W Alta., Canada, and flowing generally NE to the Peace River. It receives the Wapiti and Little Smoky rivers. It was explored (179...

flood, in hydrology

(Encyclopedia)flood, inundation of land by the rise and overflow of a body of water. Floods occur most commonly when water from heavy rainfall, from melting ice and snow, or from a combination of these exceeds the ...

Gihon

(Encyclopedia)Gihon gīˈhŏn [key], in the Bible. 1 One of the four rivers of Eden. 2 Spring, in the Qidron valley. ...

Owen Stanley Range

(Encyclopedia)Owen Stanley Range, mountain chain, c.300 mi (480 km) long, SE Papua New Guinea, on New Guinea island. It rises to Mt. Victoria (13,363 ft/4,073 m). The region, drained by several small rivers, is lar...

Stikine Mountains

(Encyclopedia)Stikine Mountains, range of the Rocky Mts., NW British Columbia, Canada, extending c.250 mi (400 km) northwest-southeast and rising to 8,200 ft (2,500 m) in Mt. Witt. The Stikine, Skeena, and Finlay r...

Douro

(Encyclopedia)Douro Span. do͞oāˈrō [key], river, c.475 mi (765 km) long, rising in the Sierra de Urbión, N central Spain. It flows W across N Spain, then southwest to form part of the Spanish-Portuguese border...

Mersey

(Encyclopedia)Mersey mûrˈzē [key], river, c.70 mi (110 km) long, formed at Stockport, W England, by the confluence of the Etherow and Goyt rivers. It flows east to the Irish Sea near Liverpool. The estuary of th...

Onega, Lake

(Encyclopedia)Onega, Lake, Finnish Aäninen, Rus. Onezhskoye Ozero, lake, c.3,800 sq mi (9,800 sq km), NW European Russia, in Karelia, between Lake Ladoga and the White Sea. The second largest lake in Europe, it is...

Ayeyarwady

(Encyclopedia)Ayeyarwady ĭrəwŏdˈē [key], chief river of Myanmar, c.1,000 mi (1,600 km) long, formed by the confluence of the Mali and Nmai rivers in N Myanmar. The combined stream flows south through gorges st...

Lunda

(Encyclopedia)Lunda lo͞onˈdə [key], ethnic group of central Africa. The Lunda speak a Bantu language and now live in S Congo (Kinshasa), E Angola, and N Zambia. In the 16th cent. Lunda living near the upper Lulu...