Aguascalientes [Span.,=hot waters], state (1990 pop. 719,659), 2,007 sq mi (5,200 sq km), central Mexico, on the Anáhuac plateau. Aguascalientes is the capital. Cattle are raised on the wide p...

Lerma, river, c.350 mi (560 km) long, rising in Mexico state, central Mexico. It flows NW and W through Guanajuato state to Lake Chapala, crossing the part of the central plateau known as the ...

Popocatépetl [Aztec,=smoking mountain], volcano, 17,887 ft (5,452 m) high, in the Cordillera de Anáhuac, central Mexico, on the Puebla-Mexico state border; the second highest peak in Mexico. T...

Mexico, Span. México or Méjico, state (1990 pop. 9,815,795), 8,286 sq mi (21,461 sq km), S central Mexico. Toluca is the capital. The northern section of the state, containing most of the Vall...

Pánuco, river, c.315 mi (510 km) long, rising as the Santa María River in San Luis Potosí state, N central Mexico, and flowing generally east to empty into the Gulf of Mexico near Tampico. It ...

Reyes, Alfonso, 1889–1959, Mexican writer, diplomat, and educator. Reyes is generally recognized as one of the greatest Spanish American writers of his time. After spending several years in Eu...

Sierra Madre, chief mountain system of Mexico, consisting of the Sierra Madre Oriental, the Sierra Madre Occidental, and the Sierra Madre del Sur and forming the dissected edges of the vast ce...

Mexico or Mexico City, Span. Ciudad de México (Méjico), city (1990 pop. 8,236,960; 1991 met. area est. 20,899,000), central Mexico, capital and largest city of Mexico. Mexico City forms the co...

Mexico, Span. México or Méjico, officially United Mexican States, republic (2005 est. pop. 106,203,000), 753,665 sq mi (1,952,500 sq km), S North America. It borders on the United States in th...

Texas, largest state in the coterminous United States. It is located in the S Central part of the country and is bounded by Oklahoma, across the Red R. except in the Texas panhandle (N); Arkan...