2010 Copiapó mining accident 2010 Copiapó mining accident The 2010 Copiapó mining accident, also known then as the "Chilean mining accident", began on Thursday, 5 August 2010 with a cave-in at the San José copper–gold mine, located in the Atacama Desert north of the regional capital of Copiapó, in northern Chile. Thirty-three men, trapped underground and from the mine's entrance via spiraling underground ramps, were rescued after 69 days. After the state-owned mining company, Codelco, took over rescue efforts from the mine's owners, exploratory boreholes were drilled, and seventeen days after the accident a note was found taped to a drill bit pulled back
Western Federation of Miners next decade, to the point where it had over two hundred locals in thirteen states. However, a struggle against mine owners in Leadville served to radicalize WFM leadership. Representatives of the Cloud City Miners' Union (CCMU), Local 33 of the Western Federation of Miners, asked for a wage increase of fifty cents per day for all mine workers not already making three dollars per day. The union felt justified, for fifty cents a day had been cut from the miners' wages during the depression of 1893. Negotiations broke down and 968 miners walked out. Mine owners, who had formed a