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Ordovician period

(Encyclopedia)Ordovician period ôrdəvĭshˈən [key] [from the Ordovices, ancient tribe of N Wales], second period of the Paleozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table) fr...

Apache

(Encyclopedia)Apache əpăchˈē [key], Native North Americans of the Southwest composed of six culturally related groups. They speak a language that has various dialects and belongs to the Athabascan branch of the...

Kabul

(Encyclopedia)Kabul käˈbo͝ol, kəbo͞olˈ [key], city (1997 est. pop. 1,500,000), capital of Afghanistan and of Kabul prov. and its largest city and economic and cultural center, E Afghanistan, on the Kabul Rive...

Srebrenica

(Encyclopedia)Srebrenica srĕbrĕnētˈsä [key], town, E central Bosnia, Bosnia and Herzegovina, in the Serb Republic of Bosnia Herzegovina. Lead has been mined here and nearby since Roman times, and silver and me...

Carson, Kit

(Encyclopedia)Carson, Kit (Christopher Houston Carson), 1809–68, American frontiersman and guide, b. Madison co., Ky. In 1811 he moved with his family to the Missouri frontier. After his father's death, he was ap...

plate tectonics

(Encyclopedia)CE5 Plate tectonics: Map of the world showing major plates and plate boundaries CE5 Plate tectonics: Schematic model of the oceanic crust, showing the three types of plate boundaries plate tect...

Colorado, state, United States

(Encyclopedia)CE5 Colorado kŏlərădˈə, –rădˈō, –räˈdō [key], state, W central United States, one of the Rocky Mt. states. It is bordered by Wyoming (N), Nebraska (N, E), Kansas (E), Oklahoma and Ne...

Ryukyu Islands

(Encyclopedia)Ryukyu Islands rēo͞oˈkyo͞o [key], Jap. Ryukyu-retto or Nansei-shoto [southwest group], archipelago (1990 est. pop. 1,500,000), c.1,850 sq mi (4,790 sq km), SW Japan, in the W Pacific Ocean. The ch...

Salzburg

(Encyclopedia)Salzburg zältsˈbo͝ork [key], province (1991 pop. 482,365), c.2,760 sq mi (7,150 sq km), W central Austria, bordering Germany in the north and northwest. It is a predominately mountainous region, wi...

Barcelona

(Encyclopedia)Barcelona bärˌsəlōˈnə, Catalan bärˌsəlōˈnə, Span. bärˌthālōˈn...