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Peace

(Encyclopedia)Peace, river, 945 mi (1,521 km) long, formed by the junction of the Finlay and Parsnip rivers at Williston Lake, N central British Columbia, Canada. It flows east through the Rocky Mts., then generall...

marmoset

(Encyclopedia)marmoset märˈməzĕtˌ [key], name for many of the small, squirrellike New World monkeys of the family Callithricidae. Members of this family are all found in tropical South America, with one specie...

Fort Peck Dam

(Encyclopedia)Fort Peck Dam, 21,430 ft (6,531 m) long and 250 ft (76 m) high, on the Missouri River, NE Mont.; one of the world's largest earth-filled dams. The dam was built (1933–40) by the U.S. Army Corps of E...

Garonne

(Encyclopedia)Garonne gärônˈ [key], river, 402 mi (647 km) long, rising in the central Pyrenees just inside Spain, and flowing generally NE to Toulouse, in SW France, where it swings northwest to join the Dordog...

North Platte, river, United States

(Encyclopedia)North Platte, river, c.680 mi (1,090 km) long, rising in the Park Range, N Colo., and flowing in a great bend N through SE Wyo., then east across the plains of W central Nebr. to join the South Platte...

Pecos, river, United States

(Encyclopedia)Pecos, river, 926 mi (1,480 km) long, rising in N N.Mex. near the Truchas peaks and flowing SE across E N.Mex. and W Tex. to the Rio Grande; drains c.38,300 sq mi (99,200 sq km). In New Mexico, dams a...

solenoid

(Encyclopedia)solenoid sōˈlənoidˌ [key], device made of a long wire that has been wound many times into a tightly packed coil; it has the shape of a long cylinder. If current is sent through a solenoid made of ...

Three Gorges Dam

(Encyclopedia)Three Gorges Dam, 607 ft (185 m) high and 7,575 ft (2,309 m) long, on the Chang (Yangtze) River, central Hubei prov., China, 30 mi (48 km) W of Yichang. The largest concrete structure in the world, th...

raven

(Encyclopedia)raven, common name for the largest members of the family Corvidae (crow family), ranging throughout the arctic and temperate regions of the Northern Hemisphere. The common raven, Corvus corax, is a gl...

day

(Encyclopedia)day, period of time for the earth to rotate once on its axis. The ordinary day, or solar day, is measured relative to the sun, being the time between successive passages of the sun over a stationary o...