Un guide pr cieux pour les passionn s de g ologie et les professionnels de l'industrie mini re, d crivant en d tail les mines m talliques et les gisements de combustibles min raux en France au XIX me si cle. 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 is in the "public domain in the United States of America, and possibly other nations...