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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...

Niobrara

(Encyclopedia)Niobrara nīəbrârˈə [key], river, c.430 mi (690 km) long, rising in the High Plains, E Wyo., and flowing E across N Nebraska to the Missouri River on Nebraska's northeast border. The Mirage Flats ...

Omo

(Encyclopedia)Omo, river, c.500 mi (805 km) long, central and SW Ethiopia. Rising in the highlands south of Mt. Gorochan, some 40 mi (64 km) ENE of Nekemte, it flows generally south, receiving the Gojeb and Gibe ri...

Negro, Río, river, Uruguay and Brazil

(Encyclopedia)Negro, Río rēˈō nāˈgrō [key], principal river of Uruguay, c.500 mi (800 km) long, rising in S Brazil and flowing SW across central Uruguay to the Uruguay River. It traverses a sheep-raising reg...

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...

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...

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...

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...