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PreviewIssue DateTitleAuthor(s)
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
Yates-Geology_of_the_Huancavelica.pdf.jpg1951Geology of the Huancavelica quicksilver district, PeruYates, Robert Giertz; Kent, Dean Frederick; Fernández Concha, Jaime
Bodenlos-Base_metal_deposits_Cordillera_Negra.pdf.jpg1957Base-metal deposits of the Cordillera Negra, department of Ancash, PeruBodenlos, Alfred J.; Straczek, John A.
Bodenlos-plate-06.pdf.jpg1955Lead-zinc deposits of Cordillera Blanca and northern Cordillera Huayhuash, PeruBodenlos, Alfred J.; Ericksen, George Edward