Compañía Minera San Esteban Primera workers at this mine were paid around 20% higher wages than at other Chilean mines, due to its poor safety record. The San José Mine is located 45 kilometers northwest of Copiapó. It began operations in 1889. In 1957, Jorge Kemeny Letay, a Hungarian immigrant founded the San Esteban Mining Company (). The San José Mine () is a small copper-gold mine located near Copiapó, Atacama Region, Chile. The mine was the site of a 2010 collapse which trapped 33 miners underground. Its workings are reached by a long sloping roadway with many spiral turns (a diagram shows ten turns),
Pabst Mine disaster from the wooden planks lining the mine walls and heated with the miners' carbide lamps. Soon after the collapse, a miner named Alfred Maki descended the shaft and heard signals from the men trapped inside. Over the next five days, rescuers began digging from the neighboring "H" shaft to try to reach the trapped miners. They descended first to nearly the bottom of "H" shaft, where a tunnel connected the two shafts, and then began working their way up the ladderway of "G" shaft. On the fifth day, they were able to reach the trapped miners. According to news reports,