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| Preview | Issue Date | Title | Author(s) |
|---|---|---|---|
 | 1957 | Geología de la zona antracífera de Huayday-Lucma, La Libertad | Brambilla, Dante E. |
 | 1957 | Reconocimiento por fosfatos en el Perú | Abele C., Guillermo |
 | 1956 | El yacimiento de fierro del cerro Casca o Tarpuy, Arequipa | Fernández Concha, Jaime |
 | 1956 | The iron deposit of Cerro Huacravilca, Junin | Simons, Frank S.; Bellido Bravo, Eleodoro |
 | 1956-01 | The geology and ore deposits of the Quiruvilca district, Peru | Lewis, Richard W. |
 | 1955-05 | Geology of the Atacocha mine, department of Pasco, Peru | Johnson, Robert Francis |
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