Mesa del Norte

Mesa del Norte, the northern section of the Mexican Plateau, sloping gently upward to the south for more than 700 miles (1,100 km) from the U.S.–Mexico border to the Zacatecas Mountains. Mesa del Norte largely spans the country from coast to coast and is bordered by the Sierra Madre Oriental on the east and the Sierra Madre Occidental on the west. Much of the region is arid land broken by mountains and salt-encrusted flats or...