Compañía Minera San Esteban Primera Compañía Minera San Esteban Primera Compañía Minera San Esteban Primera (San Esteban Primera Mining Company) is a Chilean mining company, dedicated to the production of copper and gold concentrates. San Esteban's headquarters are located in Providencia, Santiago Metropolitan Region. San Esteban also owns the San José Mine in Copiapó, Chile, where 33 miners were trapped underground for 69 days after a mining accident on August 5, 2010. Chile has a long tradition in mining, which developed during the 20th century and made the country the world's top producer of copper. Since 2000, an average of 34 people have died every
Miners' survival during 2010 Copiapó mining accident Although the emergency supplies were intended for only two or three days, the miners rationed them and were able to make them last for two weeks, running out just before they were discovered. They consumed “two little spoonfuls of tuna, a sip of milk and a biscuit every 48 hours” and a morsel of peach. The men used truck batteries to power their hard hat lamps for illumination. After his release from the hospital, Mario Sepúlveda said “All 33 trapped miners, practicing a one-man, one-vote democracy, worked together to maintain the mine, look for escape routes and keep up morale.”