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
Farmington Mine disaster noise and, knowing what it meant, headed to the mine, where they discovered a rapidly spreading fire with flames shooting 150 feet into the air. Within hours, 21 miners made it to the surface but 78 were still trapped underground. The fires continued to burn for over a week, and on November 29, rescuers finally admitted defeat after air samples from drill holes showed air unable to sustain human life. The mine was sealed on November 30 with concrete to starve the fire of oxygen. In September 1969, the mine was unsealed in an attempt to recover the miners' bodies.