Industrial exploitation and processing of salt in Manaure began in the 1920s when the government gave concessions to individual investors for the exploitation of the salt mine and until the 1940s the mode of collection went from artisan to industrial, when the Bank of the Republic took over the Manaure salt mines.
Commercialization and utilization of salt in Manaure commenced in the 1920s when the government granted permits to private investors for the extraction of the salt mine, whereas from the 1940s onwards, the method of collection shifted from manual to industrial, with the Bank of the Republic assuming control over the Manaure salt mines.