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Manicouagan Reservoir

(Encyclopedia)Manicouagan Reservoir mănĭkwägˈən [key], annular artifical lake, 750 sq mi (1,942 sq km), SE Que., Canada, in a heavily forested area of the Canadian Shield. It has a maximum depth of 1,150 ft (3...

Mead, Lake

(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...

Trinity , river, United States

(Encyclopedia)Trinity, river rising in N Texas in three forks; the Clear Fork runs into the West Fork at Fort Worth, and the Elm Fork joins the West Fork at Dallas. The Trinity then flows c.510 mi (820 km) SE to Tr...

Del Rio

(Encyclopedia)Del Rio rēˈō [key], city (2020 pop. 34,673), seat of Val Verde co., W Tex., on the Rio Gra...

Allegheny

(Encyclopedia)Allegheny ălˈəgāˌnē, ălˈəgäˌnē [key], river, 325 mi (523 km) long, rising in N central Pa., and flowing NW into N.Y., then SW through Pa. to the Monongahela, with which it forms the Ohio R...

Karun

(Encyclopedia)Karun käro͞onˈ [key], river, c.450 mi (720 km) long, rising in the Zagros Mts., W Iran, and flowing S to the Shatt al Arab on the Iraqi border. The Karun is navigable to Ahvaz for shallow draft ves...

Songhua

(Encyclopedia)Songhua so͝onˈgäˈrēˈ [key], river of NE China, c.1,150 mi (1,850 km) long, rising in the Changbai Mts., Jilin prov., and flowing generally north, through Heilongjiang prov., to the Amur River on...

Schwerner, Chaney, and Goodman

(Encyclopedia)Schwerner, Chaney, and Goodman, American civil-rights workers in the South during the 1960s. Michael Schwerner (b. 1939) and Andrew Goodman (b. 1943), both white New Yorkers, went to Neshoba co., Miss...

Ouachita

(Encyclopedia)Ouachita wôˈshĭtôˌ [key], river, c.600 mi (970 km) long, rising in the Ouachita Mts., W Ark. It flows east, southeast, and south through a cotton-producing region of S Arkansas and NE Louisiana a...

Cumberland, river, United States

(Encyclopedia)Cumberland, river, 687 mi (1,106 km) long, rising in E Ky., and winding generally SW through Ky. and Tenn., then NW to the Ohio River near Paducah, Ky.; drains c.18,500 sq mi (47,910 sq km). The devel...