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Poopó

(Encyclopedia)Poopó pōˌōpōˈ [key], salt lake, on the high plateau of W Bolivia. It is more than 11,000 ft (3,353 m) above sea level. Although it is Bolivia's second largest lake (965 sq mi/2,499 sq km) when w...

Jalisco

(Encyclopedia)Jalisco hälēˈskō [key], state (1990 pop. 5,302,689), 31,152 sq mi (80,684 sq km), W Mexico, bounded on the west by the Pacific. Guadalajara is the capital. Jalisco is dominated by the southern end...

Douro

(Encyclopedia)Douro Span. do͞oāˈrō [key], river, c.475 mi (765 km) long, rising in the Sierra de Urbión, N central Spain. It flows W across N Spain, then southwest to form part of the Spanish-Portuguese border...

Jos

(Encyclopedia)Jos jôs [key], city (1991 est. pop. 182,000), central Nigeria, on the Jos Plateau. It is a mining center for tin ore, which is processed in the city, and a collection point for hides and skins and fo...

Madrid, autonomous community and province, Spain

(Encyclopedia)Madrid mədrĭdˈ, Span. mäᵺhrēᵺˈ [key], autonomous community and coextensive prov., (2011 pop. 6,421,874), 3,099 sq mi (8,027 sq km), central Spain. Madrid, the capital of Spain, is also its c...

waterfall

(Encyclopedia)waterfall, a sudden unsupported drop in a stream. It is formed when the stream course is interrupted as when a stream passes over a layer of harder rock—often igneous—to an area of softer and ther...

Toluca

(Encyclopedia)Toluca tōlo͞oˈkä [key], city (1990 pop. 327,865), capital of Mexico state, central Mexico. Located on the central plateau, Toluca (alt. c.8,760 ft/2,670 m) has a year-round cool climate. It was es...

Castile and León

(Encyclopedia)Castile and León –lāōnˈ [key], autonomous community, 36,381 sq mi (94,227 sq km), N central Spain, ...

Great Basin

(Encyclopedia)Great Basin, semiarid, N section of the Basin and Range province, the intermontane plateau region of W United States and N Mexico. Lying mostly in Nevada and extending into California, Oregon, Idaho, ...

Fribourg

(Encyclopedia)Fribourg frīˈbûrg, Fr. frēbo͞orˈ [key], Ger. Freiburg, canton , 645 sq mi (1,671 sq km), W ...