In Montana’s Centennial Valley, a sagebrush die-off triggered an investigation into what was killing this anchor species of ...

risking the survival of not only the bladderpod but also the imperiled greater sage grouse. The planned mining would also disturb Jurassic Period fossils and archaeological sites of value to the Crow ...

BILLINGS, Mont.— The mining company Grupo Cementos de Chihuahua has withdrawn its plan for gypsum mining exploration in southern Montana’s Pryor Desert.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