The area of is 50,193 sq. mi. The n highlands, with a elevation about 2000 ft, cross from the northwest to the southeast. Several mountain ranges, the highest of which, the Cordillera Isabelia, reaches an elevation of more than 6890 ft, cut the highlands from east to west. In the west is a great basin, or depression, containing two lakes, , the largest in Central America, and Managua. The two are connected by the Tipitapa River. A chain of volcanoes, which are a contributory cause of local earthquakes, rises between the lakes and the Pac ....