Columbia Encyclopedia

(Encyclopedia) Hungry Horse Dam, 564 ft (172 m) high and 2,115 ft (645 m) long, NW Mont. on the southern fork of the Flathead River. A major unit in the development program for the Columbia River basin, it was built...

(Encyclopedia) Garrison Dam, c.11,300 ft (3,400 m) long and 210 ft (64 m) high, on the Missouri River, near Riverdale, W central N.Dak.; one of the world's largest earth-filled dams used for irrigation power. Built ...

(Encyclopedia) Furnas Dam, c.390 ft (120 m) high, at the junction of the Rio Grande and Sapucaí rivers, SE Brazil, in Minas Gerais state; completed 1962. It has a 620-sq mi (1,606-sq km) reservoir. It includes larg...

(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...

(Encyclopedia) Great Salt Plains Dam, on Salt Fork, a tributary of the Arkansas River, NW Okla., near Enid. The dam was authorized in 1936 as a federal project and completed in 1941. In a salt-encrusted plains area,...

(Encyclopedia) Flaming Gorge Dam, in a deep canyon of the Green River, NE Utah; built 1958–63 by the U.S. Bureau of Reclamation as a major unit in the Colorado River storage project. The dam regulates the flow of ...

(Encyclopedia) Kettle Rapids Dam: see Nelson, river, Canada. ...

(Encyclopedia) O'Sullivan Dam, Wash.: see Columbia basin project. ...

(Encyclopedia) Mead, Lake, 247 sq mi (640 sq km), on the Nev.-Ariz. border, formed by Hoover Dam across the Colorado River. The lake is 115 mi (185 km) long, from 1 to 8 mi (1.6–12.9 km) wide, and 589 ft (180 m) a...

(Encyclopedia) Iowa City, city (2020 pop. 74,828), seat of Johnson co., E Iowa, on both sides of the Iowa River; founded 1839 as the capital of Iowa Territory, inc. 18...