Historia secreta de la conquista de América

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute...

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute...

Las minas de Riotinto fueron en la antigüedad uno de los mayores complejos industriales de producción metálica. De esa producción queda aún hoy el testimonio de sus escoriales, que hasta hace pocos años no han sido valorados e investigados con metodología arqueológica. Los trabajos de minería para la producción de concentrado de cobre que hoy se llevan a cabo por parte de Atalaya Mining en este importante coto minero, están brindando la oportunidad de excavar y muestrear algunos de estos escoriales romanos. Una prueba de las posibilidades que ofrecen los escoriales antiguos para el ...

El segundo tomo de la historia de la Revolución mexicana cubre de la etapa constitucionalista de 1913 hasta la etapa conocida como lucha de facciones de 1914 a 1917 que finaliza con la proclamación de la constitución. Incluye una cronología de los presidentes de México de 1917 a 1972.