Deep in the gut of the Picadilly Mine near Sussex, workers once laid off when potash prices ... the white crystals floating in space — are caused by the dust of salt-mining.

EVART, Mich., March 10, 2025--(BUSINESS WIRE)--The Michigan Potash & Salt Co. (Michigan Salt) today announced the launch of its new salt business, which will produce 1 million tons of food-quality ...