San José Mine San José Mine The San José Mine () is a small copper-gold mine located near Copiapó, Atacama Region, Chile. The mine became known internationally for its collapse in 2010, which trapped 33 miners underground. Its workings are reached by a long sloping roadway with many spiral turns (a diagram shows ten turns), not by a vertical mineshaft. The San José Mine is located 45 kilometers northwest of Copiapó. The mine began operations in 1889. In 1957, Jorge Kemeny Letay, a Hungarian immigrant founded the San Esteban Mining Company (). According to Terra, the mine's annual sales surpassed 20 million dollars.
Farmington Mine disaster Farmington Mine disaster The Farmington Mine disaster was an explosion that happened at approximately 5:30 a.m. on November 20, 1968, at the Consol No. 9 coal mine north of Farmington and Mannington, West Virginia, United States. The explosion was large enough to be felt in Fairmont, almost 12 miles away. At the time, 99 miners were inside. Over the course of the next few hours, 21 miners were able to escape the mine, but 78 were still trapped. All who were unable to escape perished; the bodies of 19 of the dead were never recovered. The cause of the explosion