Editorial: Mosaic Fertilizer in St. James Parish keeps adding to its huge pile of radioactive gypsum. Eventually, the ...

The Gypsum Wallboard segment mines and extracts natural gypsum rock, which is used in the manufacture of gypsum wallboard. The Recycled Paperboard segment processes paper fiber, water, and paper ...

A U.S. District Court judge dismissed all federal claims against Clark County in the long-running legal dispute over development on the privately-owned Blue Diamond Hill gypsum mine near Red Rock ...

The settlement — which aims to preserve the area’s natural landscape and access to the Red Rock Canyon National Conservation Area — will allow Gypsum to go forward with its stalled housing ...