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
Quecreek Mine rescue Quecreek Mine rescue The Quecreek Mine rescue took place in Somerset County, Pennsylvania, when nine miners were trapped underground for over 77 hours, from July 24 to 28, 2002. All nine miners were rescued. On June 22, eighteen coal miners at the Quecreek Mine in Lincoln Township, Somerset County, Pennsylvania, owned by Black Wolf Coal Company accidentally dug into the abandoned, poorly documented Saxman Coal / Harrison #2 Mine Saxman mine, the room and pillar mine with an estimated 75 million gallons of water. Both the Saxman Mine and Quecreek Mine are in the Upper Kittanning coal seam. The Upper