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| Preview | Issue Date | Title | Author(s) |
|---|---|---|---|
 | 1956 | The iron deposit of Cerro Huacravilca, Junin | Simons, Frank S.; Bellido Bravo, Eleodoro |
 | 1956 | Las vetas de Plomo y Zinc en la región minera de Chilete, en el norte del Perú | Simons, Frank S. |
 | 1955-06 | The lead- zinc veins of the Chilete mining district in Northern Peru | Simons, Frank S. |
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