Argentina, Mesopotamia

East of the Gran Chaco, in a narrow depression 60 to 180 miles (100 to 300 km) wide, lies Mesopotamia, which is bordered to the north by the highlands of southern Brazil. The narrow lowland stretches for 1,000 miles (1,600 km) southward, finally merging with the Pampas south of the Río de la Plata. Its designation as Mesopotamia (Greek: “Between the Rivers”) reflects the fact that its western and eastern