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Yankton, city, United States

(Encyclopedia)Yankton, city (1990 pop. 12,703), seat of Yankton co., extreme SE S.Dak., on the Missouri River; inc. 1869. A railroad and trade center in an agricultural region, it has grain elevators, creameries, a...

Amazon, river, Peru and Brazil

(Encyclopedia)Amazon, Port. Amazonas ämäzōˈnəs [key], world's second longest river, c.3,900 mi (6,280 km) long, formed by the junction in N Peru's Andes Mts. of two major headstreams, the Ucayali and the short...

Carboniferous period

(Encyclopedia)Carboniferous period kärbənĭfˈərəs [key], fifth period of the Paleozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), from 350 to 290 million years ago. The pl...

Altai

(Encyclopedia)Altai or Altay both: ăltīˈ, äl–, ălˈtī, Rus. əltīˈ [key], geologically complex mountain system of central Asia; largely in the Altai Republic, Russia, and in Kazakhstan, but extending into...

Atyrau

(Encyclopedia)Atyrau go͞orˈyĭf [key], city, W Kazakhstan, on the Ural River and near the Caspian Sea. A port, rail center, and an industrial base of the Emba basin oil fields, it has...

Jinsha

(Encyclopedia)Jinsha shäˈsēˈ [key], city (1994 est. pop. 683,000), S Hubei prov., China, on the Chang River. It is an important trade center for the N Dongting Lake basin and the site of a massive reservoir bui...

Purbeck

(Encyclopedia)Purbeck, district (1991 pop. 42,600), Dorset, England. Purbeck is filled with the clays of the Hampshire Basin, and is therefore largely infertile. Some minor farming occurs on the chalk plateaus and ...

Pechora

(Encyclopedia)Pechora pyĭchôˈrə [key], river, c.1,120 mi (1,800 km) long, rising in the N Urals, N European Russia. It flows generally north through the forest and tundra regions of the Komi Republic and the Ne...

Wissmann, Hermann von

(Encyclopedia)Wissmann, Hermann von hĕrˈmän fən vĭsˈmän [key], 1853–1905, German explorer in Africa. He crossed (1880–82) Africa from Luanda to Zanzibar and, on behalf of Leopold II of Belgium, explored ...

swamp

(Encyclopedia)swamp, shallow body of water in a low-lying, poorly drained depression, usually containing abundant plant growth dominated by trees, such as cypress, and high shrubs. Swamps develop in moist climates,...
 

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