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Keywords from Image Description:
El Teniente Seccion Longitudinal . es Seccin longitudinal de la mina El Teniente de Lngsschnitt durch die El TenienteGrube cite book Instituto de Ingenieros de Minas de Chile Monografa sobre la Braden Copper Company Sewell Chile Soc Imp Lit Universo Santiago de Chile memoriachilena cl html Instituto de Ingenieros de Minas de