the district of Morelos, of the state of Chihuahua; dark ruby silver in Chihuahua, Guanajuato, and Zacatecas; refractory silver in Guanajuato and Zacatecas; argentiferous galenas in most of the mineral districts of the republic; muriate of silver in Catorce of San Luis Potosí, and Mina Verde of Sombrerete, in the state of Zacatecas; cinnabar of several varieties in Durango, Guanajuato, Guerrero, Jalisco, Querétaro, San Luis Potosí, and Zacatecas; iron in Chihuahua, Coahuila, Durango, Hidalgo, Mexico, and Jalisco; pyrites in Guanajuato and Zacatecas; lead in Hidalgo and Aguascalientes; pyromorphite, a variety of phosphate of lead, which by fusion becomes crystallized, in Morelos; carbonate of lead in Hidalgo and Querétaro; sulphurous copper in Aguascalientes; yellow copper in Michoacan, Chihuahua, and Jalisco; native and sulphurous bismuth in Zacatecas; carbonate of bismuth in San Luis Potosí; ochre of bismuth in Querétaro; zinc in the Tasco mines of Morelos; native sulphur in the volcanoes; precious stones, to wit: rubies in Durango; diamonds in Guerrero and in Tonalixco toward the sierra of Zongolica; topaz in the sierra de Canvas, San Luis Potosí; emeralds in Tejupilco, Mexico; garnets in Xalostro, Morelos, and in Chihuahua; fine opals in Querétaro and Hidalgo; common opals in Hidalgo; other stones in several states. Marble in Puebla, Querétaro, Guerrero, Guanajuato, Michoacan, Nuevo Leon, etc.; Mexican onyx or tecali in Puebla; gypsum in Tamazula, Jalisco; granite in Oajaca, Jalisco, Mexico, and Guerrero; porphyry in Chihuahua, Hidalgo, Jalisco, Puebla, Querétaro, and Zacatecas; and several other kinds of stones in many of the states; saline lands in Lower California, Colima, Jalisco, Michoacan, San Luis Potosí, Tamaulipas, Valley of Mexico, Yucatan, and Zacoalco; copperas in Mexico, Hidalgo, and Michoacan. Coal, anthracite in Querétaro and Puebla; bituminous in Chamacuero of Guanajuato; and other varieties in
