Well, at least the Windsor mine produces or at some point produced both kinds, and so do a number of other mines (most operated by Sifto, IIRC). The salt that g

Well, at least the Windsor mine produces or at some point produced both kinds, and so do a number of other mines (most operated by Sifto, IIRC). The salt that goes on our roads and walkways for safety in southern Ontario AFAIK comes from the Windsor mine, and so does or did some of the edible salt (though I think these days Sifto sells a lot more of the table salt than Windsor, I remember growing up with Windsor branded salt).