Title: Ferrocarriles y minería en Sonora durante el Porfiriato (1880-1910)
Subjects: Historia, Condiciones económicas, Economic conditions, Ferrocarril de Sonora, Ferrocarriles, Mineral industries, Railroads, History, Congresses, Mines and mineral resources
Places: Sonora (Mexico : State), México, Mexico, Sonora (México), Sonora (State), Sonora
Time periods: Siglo XIX