It started back in 1947, shipped its first saltcake in 1948 as a Crown Corporation under Tommy Douglas, and now its celebrating another milestone.

Saskatchewan Minerals Inc, the Chaplin plant that can be spotted along the TransCanada Highway west of Moose Jaw by the giant mounds of white crystals, is celebrating its 10 millionth ton of sodium sulphate leaving the plant Thursday.

Sodium sulphate was originally used as a medicine in the 1600's but is now used more commonly in detergents, pulp and paper production, glass, carpet deodorizers and livestock feed.