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Subiaco

(Encyclopedia)Subiaco so͞obyäˈkō [key], town (1991 pop. 9,004), Latium, central Italy, in the Apennines, at the confluence of the Aniene and the Acquaviva rivers. It is an agricultural, industrial, and tourist ...

Truro , city, England

(Encyclopedia)Truro tro͝orˈō [key], city (1991 pop. 16,130), W Cornwall, England, the administrative and commercial center of Cornwall, at the confluence of the Kenwyn and Allen rivers (which form the Truro Rive...

topography

(Encyclopedia)topography təpŏgˈrəfē [key], description or representation of the features and configuration of land surfaces. Topographic maps use symbols and coloring, with particular attention given to the sh...

Urmia, Lake

(Encyclopedia)Urmia, Lake ûrˈmēə [key], formerly Lake Rezaiyeh, shallow salt lake, NW Iran; alt. 4,180 ft (1,275 m). The largest lake in Iran, it has no outlet and receives the drainage of the surrounding mount...

Platte

(Encyclopedia)Platte, river, c.310 mi (500 km) long, formed by the confluence of the North Platte (680 mi/1,090 km long) and South Platte (430 m/690 km) rivers at North Platte, Neb. It flows generally E across S Ne...

Richelieu

(Encyclopedia)Richelieu rĭshˈəlo͞o [key], river, c.75 mi (120 km) long, issuing from the north end of Lake Champlain, near the N.Y.–Que. border, and flowing N across S Que. to the St. Lawrence River at Sorel....

sirenian

(Encyclopedia)sirenian sīrēˈnēən [key] or sea cow, name for a large aquatic mammal of the order Sirenia. Living sirenians are the dugong and the manatee, both found in warm, shallow waters in sheltered regions...

East River

(Encyclopedia)East River, tidal strait, 16 mi (26 km) long and 600–4,000 ft (183–1,219 m) wide, connecting Upper New York Bay and Long Island Sound, New York City, and separating the boroughs of Manhattan and t...

delta

(Encyclopedia)delta [from triangular shape of the Nile delta, like the Greek letter delta], a deposit of clay, silt, and sand formed at the mouth of a river where the stream loses velocity and drops part of its sed...

Alessandria

(Encyclopedia)Alessandria älās-sänˈdrēä [key], city, capital of Alessandria prov., in Piedmont, NW Italy, at the confluence of the Tanaro and Bormida rivers. It is an industrial c...