Salamanca is a market town in the Bajio, nine leagues west from Celaya, and is the chief place of a region possessing twenty-nine haciendas, or plantation estates, and sixty-nine valuable farms. Its population is estimated at 15,000. Irapuato, lies about six leagues north-west from Salamanca, and contains perhaps an equal number of inhabitants.
San Miguel Allende, formerly San Miguel el Grande, is the capital of the department of that name, lies directly north of Celaya, on the river de la Laja, where it cuts the division between the two departments. Dolores Hidalgo is on the same stream, north-west of the last town, and is remarkable in the annals of the country as the residence of the priest Hidalgo, under whose auspices the revolutionary movement against Spain originated.
The mineral products of this State have been and still continue very valuable. The chief silver mines are those of Guanajuato, Villalpando, Monte de San Nicolas, Santa Rosa, Santa Anna, S. Antonio de las Minas, Comanja, El Capulin, Comangilla, San Luis de la Paz, San Rafael de los Lobos, El Duranzo, San Juan de la Chica, Rincon de Zenteno, San Pedro de los Pozos, El Palmar de la Viga, San Miguel y San Felipé. All these mines and mineral districts recognize the jurisdiction of the Deputacion de Mineria de Guanajuato, although some of them lie out of the immediate boundaries of the State.
Besides the silver yielded at these places, copper and iron are produced by some of them; and at El Gigante cinnabar has been discovered disseminated among other substances. Lead is taken abundantly from the mine of La Targea; but the mining operations of the State are chiefly confined to silver.
In the southern part of the State large quantities of soda are found near Celaya, Salamanca and Valle de Santiago; and in the north, in the vicinity