Today marks an important milestone for Saint-Gobain Canada’s CertainTeed Kootenay West Gypsum Mine, as the site completed the ...

COLUMBUS, Ohio - Ohio Attorney General Dave Yost is suing the United States Gypsum Co. for nearly $17 million, accusing it of failing to maintain underground mines and causing dangerous sink holes ...

OTTAWA COUNTY, Ohio — Ohio Attorney General Dave Yost announced Tuesday that he's suing a gypsum mining company for nearly $17 million for "failure to maintain" underground mines that led to ...

ST. GEORGE, Utah (AP) — A proposed gypsum mine near St. George is drawing strong opposition from nearby residents who say it would bring noise, traffic and air pollution to an unspoiled area.

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An abandoned gypsum mine in Blackhawk may extend farther than known mapped areas indicate to the northeast, east and southeast sides, a geophysical study shows. “Based on the information obtained in ...

Landowners forced from their homes five years ago by a sinkhole asked the South Dakota Supreme Court Wednesday to hold the ...

Highlights Impurity Removal Metallurgical Tests Yield Allanite Rare Earths Processing Breakthrough: Impurity removal is one ...

The Kootenay West Gypsum Mine located near Canal Flats, B.C., near the border of Alberta, is an expansion investment by Saint ...