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 global gypsum market will grow from $29.63 billion in 2022 to $31.28 billion in 2023 ... and rock gypsum.The market value includes the value of related goods sold by the service provider ...

Lawyers for Rhodes’ company, Gypsum Resources, submitted newly obtained communications related to the ongoing litigation, which they obtained through a February public records request.

Rock gypsum, mechanically scooped out 20 miles away, is mechanically loaded, hauled to the plant, unloaded, ground, mixed in a paste and sandwiched between paper.

Clark County and Gypsum Resources, a developer looking to build near Red Rock, settled to $86 million to end a lawsuit.

Nearly every state has limestone, gypsum and other soft rocks that are susceptible to a collapse. "In 99% of all cases, sinkholes pop up in carbonate rocks (like limestone or dolomite) ...

Buried beneath 85 feet of Grand Rapids soil and bedrock lies a labyrinth — a maze of man-made and forgotten tunnels from the city's old gypsum-mining industry.