Documents relating to visit by subdelegate to inspect sale of gunpowder, tobacco and playing cards by authorized personnel only. Miners were requested to turn in for investigation documents in purchase of gunpowder for use of their mines only (A. Dell'acqua, may 1988)

Series of concise letters between Nava and virrey covering granting of travel allowance to Garibay, inauguration of diputacion de Mineria, retirement of Arce, granting of military escort to Leon for conducting of botanical studies in Sonora, moving of bishopric of Nuevo Leon to Monterrey, establishment of presidio at San Fernando, collection of Alcavala, and transfer of Vial from Nueva Mexico to Luisiana. (A. Tukey, August 1988)

Series or concise letters between Nava and virrey covering postponment of military expedition headed by Bringas, petition by prisoners' wives for visitation rights, division of Cazorla's assets upon his death, depletion of Mineral resources in Sonora, petition by ministers of Caxas de Pachuca for salary raise, peace talks with Lipanes in San Fernando, establishment of mission near Parage del Refugio, petition by real hacienda employees for 7 hour work day, and reassignment of various administrators. (A. Tukey, August 1988)

Series of documents about discovery of two new silver mines. Discussion of salaries for workers, food provisions, and possibility of increasing number of people in area. Mention that mine owners not happy with Ugarte's decision to have workers paid daily, for operating expenses may be equal or higher than profit. They prefer to pay salario ajustado. there is also description of size of mines, and amount of mercury needed to operate them. There is also mention that with discovery of mines there would be an increase in population resulting in fewer Apache raids. Discussion that several merchants have established in the area in order to sell goods to miners. (J. Tapia, March, 1988)

Informe to viceroy about problems of miners in Parral with Indian incursions. Account of deaths of soldiers and civilians, destruction of ranches, abductions of children; difficulties in continuing to mine silver and gold in area due to lack of protection and supplies. (A. Dell'acqua, December 1987)

Viceroy issues strict orders to follow dates for shipping royal fifth from silver mines. Eradication of Caja Marca. Various tribunal de cuentas; naming of teniente to oversee payments of silver in Parral; letter of Rusi to viceroy about raise given. Letter to Rusi and governor of Durango to advise justice of Cosiguriachi not to utilize receptor of Alcavalas Herrera or any employee of real hacienda and dependents in any campaigns against Indians. Letter to assayer of Chiguagua to name teniente to oversee charges of royal fifth from silver mines. Edict to prohibit selling of seed by private persons and buying from farmers at different prices than those established. Confirmation by viceroy of naming of del Campo as conde del Valle del suchil by king. (A. Dell'acqua, December 1987)

Strange letter to viceroy from Oropesa requesting help. Letter from viceroy to mayor of Durango about process governor has against Chamorro for problems with Irigoyen inventory; advising mayor to respect governor by word or deed or suffer consequences. Decision made by junta de guerra y hacienda to pay members of expedition to Chiguagua and Indian auxiliaries with silver contributed by mines of Chiguagua and Santa Eulalia. Letter from viceroy to administrator Rusi about culpability of Azcarate with mail diversion and Azcarate self- incrimination by running away; orders issued to find Azcarate's whereabouts and punish him. Questions about roles of elected diputados personeros del comun. Orders issued from viceroy for officials to read existing instructions and follow them. Letter from Marinetarena about quantity of grain he contributed to expedition of Chiguagua. (A. Dell'acqua, December 1987)

Edict from viceroy re-arranging extraordinary postal service; changing postage for mail from Veracruz and interior; eradication of caja marca established in real changing Jurisdiccion of quintar from Durango to mines own Jurisdiccion. Other documents deal with petition from Asis Navarrete to be paid two sinodos which district officer denies; viceroy orders documents stating denial. Letter of reprimand to gudina y Toro ordering him to reinstate persons whom he had removed from employment. (A. Dell'acqua, December 1987)

Documents pertaining to naming of engineers and instructions on how to achieve goals of expeditions to Nueva Vizcaya and Sonora. Planning and settlement of port of Guaymas and Rio Yaqui as Principal areas for commerce and trade. Conquest thru war and pacification of Seris and Pimas Altos; detailed ethnography. After achieving these goals expedition to resume exploration up Rio Gila establishing town on banks preferably near Colorado River to serve as capital of Gila province; study natural resources in detail; find mines and other natural riches to attract settlers; wage war against Apaches to secure lands and make possible fluvial navigation. Area should serve as protection to other settlements to east and south of province. Letters about arrival of visitador general Galvez to Sonora on his way to California. (A. Dell'acqua, November 1987)

Cover sheet announcing discovery of placer at San Bruno. Discussion of Indian depredations throughout Provincias Internas and establishment of peace; discussion of discovery of placer at San Bruno; cattle production; general discussion of taxes and government. (Ww. Copas, June 1987)