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Tonto Basin

(Encyclopedia)Tonto Basin, depression S of the Mogollon Rim, central Ariz. The wild country around Tonto Creek, which flows c.45 mi (70 km) S from the basin to enter the lake behind Roosevelt Dam, has been much cel...

Oka, river, Siberian Russia

(Encyclopedia)Oka, river, c.600 mi (970 km) long, rising in the Sayan Mts., Buryat Republic, S central Siberian Russia. It flows N through Irkutsk oblast to join the Angara River below Bratsk. The lower Oka valley ...

Naugatuck, river, United States

(Encyclopedia)Naugatuck, river, 65 mi (105 km) long, rising in NW Conn. and flowing S, past Waterbury, to the Housatonic River at Derby. It furnishes water power for the remaining industrial plants along its shores...

Saluda

(Encyclopedia)Saluda, river, c.200 mi (320 km) long, rising in the Blue Ridge, W S.C., and flowing southeast across the Piedmont to the Broad River (with which it forms the Congaree) near Columbia. The Saluda Dam (...

Dnieper

(Encyclopedia)Dnieper nēˈpər [key], Belarusian Dnyapro, Rus. Dnepr, Ukr. Dnipro, river, c.1,430 mi (2,300 km) long, in Russia, Belarus, and Ukraine. One of the longest rivers in Europe, it rises in the Valdai Hi...

Paraná, river, Brazil, Paraguay, and Argentina

(Encyclopedia)Paraná, river, c.2,000 mi (3,200 km) long, formed by the junction of the Paranaíba and the Rio Grande, SE Brazil. It has the second largest drainage system in South America. It flows generally south...

Salt River valley

(Encyclopedia)Salt River valley, irrigated region around the lower course of the Salt River, which rises in mountain streams near the Mogollon Rim of the Mogollon Plateau and flows southwest to join the Gila River ...

Colorado, rivers, United States and Mexico

(Encyclopedia)Colorado [1] kŏlərădˈə, –rădˈō, –räˈdō [2] kŏlərāˈdə, –räˈdə [key]. 1 Great river of the SW United States, 1,450 mi (2,334 km) long, rising in the Rocky Mts. of N Colo., and f...

Saco, river, United States

(Encyclopedia)Saco, river, c.105 mi (170 km) long, rising in the White Mts., N central N.H. and flowing SE through Maine to the Atlantic Ocean below Biddeford. The falls at Biddeford, site of a hydroelectric dam (o...

Thirlmere

(Encyclopedia)Thirlmere, lake, c.3 mi (5 km) long, in the Lake District, Cumbria, NW England, near Keswick. In 1894, through the construction of a high dam (which raised the water level c.50 ft/15 m) and an aqueduc...