Huge deposits of rck salt are located in the salt Range in punjab Province and in Kohat District of Khyber Pakhtunkhwa. Salt mining has been traditionally carried out by the Government since annexation of Punjab and khyber Pakhtunkhwa durnig the British rule,but recently some private parties have also startes slat mining. Detailed exploration and evaluation of these deposits by GSP proved the existence of inexhaustable reserves of rock salt in the salt Range. The reported average annual production is more than 2 Million Tons. About 40% of thr output is consumed by soda ash, castic soda in leather industries and rest is marketed for domestic/ human consumption. A certain amount of rock salt is also exported to a number of countries.