Excerpt from Sketch of the Great Historic Mines of the Cerro De Proano at Fresnillo: State of Zacatecas, Mexico The opening up of Mexico by the railway system was an event not contemplated by M. Duport in 1843, or he certainly would have included so important a factor, which is destined (to use his comparison) to bring about the result he foretold a century earlier. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.