and other points.
There is copper in Putula or Rios and in Guadalupe. In these mineral districts we also encounter lead. Amianto (incombustible crystal) also abounds in Niezca and in the vicinity of Monclova, as also nitre in San Blas, jurisdiction of San Buonaventura. In the hills of Gizedo, correspondent to the district of Santa Rosa, are extracted sulphur and copperas.
It is difficult to ascertain and to mention all the causes which have led to the decadence of the mineral industry of this state, because the reports which the authorities have remitted do not state it exactly; but there is no doubt that they are two, viz., the want of security occasioned by the frequent incursions of the barbarians, and the little affection which the agricultural people that occupy that state have for mining enterprises; that, as already said, they require recognizances, as well as capital and hands, things which are scarce enough