Ohio Attorney General sues United States Gypsum Co. for nearly $17 million to recover costs incurred to stabilize a state ...

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 ...

According to Yost, the holes opening up in Ottawa County are a direct result of USG not maintaining the mines that date back more than 75 years. Gypsum is mined and used for many purpose including ...

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 ...

TOLEDO, Ohio (WTVG) - The state of Ohio is suing the United States Gypsum Company (USG) for nearly $17 million over sinkholes near State Route 2 in Ottawa County. The lawsuit, filed on behalf of ...

BILLINGS, Mont.— The mining company Grupo Cementos de Chihuahua has withdrawn its plan for gypsum mining exploration in southern Montana’s Pryor Desert. The plan would have disturbed Jurassic Period ...

Sheetrock manufacturer CGC Inc. focuses on improving Canadian market reach with new plants in Alberta and Nova Scotia.

The case dates from 1965, when USG sold land to ODOT to build State Route 2 above the company’s underground gypsum mines. The purchase agreement required USG to maintain the integrity of the ...