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
2009 Handlová mine blast the families and relatives of the deceased miners". The incident happened near Nováky where four miners were killed by a shaft collapse in 2006. 2009 Handlová mine blast The 2009 Handlová mine blast occurred on 10 August, 2009 roughly 330 metres (1,080 ft) underground in Trencin Region, Slovakia at Hornonitrianske Bane Prievidza, a.s.s (HNB) coal mine located in the town of Handlová. 20 people were killed, nine others suffered minor injuries and were taken to hospital for treatment. Some historians have called the disaster the largest mining tragedy in Slovakia’s history. The deadly explosion, probably caused by flammable gases, occurred