View of the Santa Fé underground mining, in 1987.
Santa Fé Mine, Santa Fé mining district, Pantaleón Dalence Province, Oruro, Bolivia
Dr. Günter Grundmann underground the Santa Fé Mine in company with mine guides, in 1987, during the first field campaign of the Technische Universität München. G. Lehrberger and G. Grundmann collected ore samples, lead-zinc-silver concentrates and tailings to evaluate the rare metal content including Gallium, Indium, Germanium, Bismuth, ...
© Günter Grundmann, Detmold