Providing the mainstay of the economy for this area, some 54,400 metric tons (60,000 tons) of salt a year are harvested here.
Salt harvesting makes up 50 percent of the area's economy.
mnli hypothesis: Salt harvesting makes up 50 percent of the area's economy. premise: Providing the mainstay of the economy for this area, some 54,400 metric tons (60,000 tons) of salt a year are harvested here.