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Historia Ambiental de la minería del cobre (2) (2012).pdf 10 May 201210/05/12 at 11:522012-05-10 11:52:10
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Boom minero del cobre 10 May 201210/05/12 at 11:462012-05-10 11:46:10
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La minería del carbón en Chile, 1844-2008 10 May 201210/05/12 at 11:432012-05-10 11:43:10
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Industria Salitrera 1850-2012 10 May 201210/05/12 at 11:422012-05-10 11:42:10
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