FRESNILLO GLORYHOLE MINING PRACTICE DETAILS AND COSTS OF THE MEXICAN CORPORATIONS OPERATIONS IN ZACATECAS - BAKER, THOMAS C (My University, 1925)
AM INST MIN METAL ENGIN TRANS
Keywords: FRESNILLO, GLORYHOLE, MINING, COSTS, MEXICAN, OPERATIONS, ZACATECAS; CIENCIAS DE LA TIERRA Y DEL ESPACIO; GEOLOGIA; MINERALOGIA