To maintain their hold on the Midwest, the company strategically purchased the Detroit mine. By 1914, the mine was producing 8,000 tons of rock salt each month. The salt produced was mostly used ...

A proposed new mine in Osceola County to extract nearly 800,000 tons per year of the agricultural fertilizer potash and 1 million tons per year of table salt received a major boost in the waning days ...

A proposed new mine in Osceola County to extract nearly 800,000 tons per year of the agricultural fertilizer potash and 1 million tons per year of table salt received a major boost in the waning ...