US: The Bureau of Land Management has approved American Gypsum’s proposal to expand its gypsum mine at Eagle, Colorado by around 40 hectares. The current quarry has been in operation since 1984. The mine and associated Eagle gypsum wallboard plant near Gypsum produce around 60Mm2/yr of wallboard and employ nearly 100 people. American Gypsum is the fifth largest producer of gypsum wallboard in North America, operating four wallboard plants.