Browsing "Documentos técnicos - históricos" by Subject Geología económica

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PreviewIssue DateTitleAuthor(s)
BOLETIN-INIFM-05-1952.pdf.jpg1952Geología del distrito mercurífero de HuancavelicaFernández Concha, Jaime; Yates, Robert G.; Kent, Dean F.
Johson-1955-Geology_ore_deposits.pdf.jpg1955Geology and ore deposits of Atacocha district, departmento de Pasco, PeruJohnson, Robert Francis; Lewis, Richard W.; Abele C., Guillermo