Its website describes the Coeur d'Alene-based company , founded in 1891 , as the `` largest and lowest-cost silver producer '' in the United States . Larry Marek , 53 , was trapped when the roof of the mine collapsed . He died from his injuries a week later on July 29 at a hospital in nearby Minsk. The cause of the collapse has not been determined .
Larry Marek , 53 , was trapped when the roof of the mine collapsed . He died from his injuries a week later on July 29 at a hospital in nearby Minsk. The cause of the collapse has not been determined .