Sketch of the Great Historic Mines of the Cerro De Proano at Fresnillo

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. 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.