Letters concerning appointment of Arriero to transport silver from San Phelipe el real to Mexico, Christobal Dominguez, first choice for the job died and Cayetano Franco is appointed, Altamira testifies that Cayetano left the town with 199 silver ingots. Letters explaining the delay on the arrival of the silver, a number of notes requesting silver to be sent to Chihuahua every six months from the mines. Letters asking for the establishment of new religious missions in the Tharaumara Alta y Baja in order to subdue the Indians and increase the production of the mines. (T. Kahana, November 1988)

Despite removal troops, Seris show no sign of desire to leave for mountains. Nevertheless, problem lack water for irrigation. Want oxen, farming tools, cows, priest for Seris. (T. Sheridan, 1976)

Crespo discusses plans for and purposes of second overland expedition to Monte rey (to be led by Anza). Gives numbers of soldiers and settlers to make trip. Reports on visit by Palma and his wishes to establish missions in Juma lands. Discusses status of relations with Jumas and other Indians in region of Gila-Colorado confluence and what this means for expedition. (S. Fiederlein, may 1987)

Ansa's second expedition to Monterey; notes; foundation of mission in San Francisco; explorations of Garces; possible commerce of Yumas with Hopis; feasibility of routes connecting Sonora to California and New Mexico to Sonora; difficulty of trail; crossing Colorado at Yuma with balsas, Canoa o Barco; relation of Yuma to other California Indians; descriptions of parts of route; of Tucson area; available pasturage; possible new presidio locations; possible effects on Apache wars; call for Yuma mission; negotiations with Palma; reports in Tucson and among Yumas of closeness of New Mexico and possible route westward to Sonora and California; proposal to guard roads with troop of dragoons; new presidio constructions; and other aspects of implementing royal regulation of 1772. (J. Williams, April 1987)

Diaz considers various proposals related to founding of a presidio and mission on Colorado River at Yuma villages; includes references to; new establishments in California; new lines of communication; Anza's expedition; lack of Apache threat in Yuma country; possible expenses caused by a new presidio there; Diaz notes of military importance of mission auxiliaries y estos Tan adelantados en el manejo de las Armas, y industrias de la guerra; que juzgo indispensable aumentar la Tropa en Sus fronteras; he recognizes Apache's diligence in war; necessity of having strong detachments; detachment of men from Buenavista at Suaqui; of another force from same presidio at Pitiqui; a detachment from Altar at Caborca; value and combat ability of troops; problems created by presidial relocation; number of men deployed elsewhere in province; list of reasons to support relocations; Bucareli acknowledges receipt of Diaz's points. (J. Williams, April 1987).

A word for word copy of Bonilla's informe on Sonora on ff. 7-33 of this Tomo (88). (J. Williams, April 1987)

Concerns Bucareli's further instructions to O'Conor on implementing new regulation of presidios (1772); includes notes on missionization. (J. Williams, April 1987)

O'conor describes reasons for his final site selection relative to royal regulation of presidios of 1772; includes notes on subjects such as; vegetation; topography; distances; communications between sites; water availability; proposal for presidio at Yuma. O'Conor bases much of argument on Bonilla's earlier report; includes other insights into new routes to California; Lafora map; and missionization. (J. Williams, April 1987)

A very detailed report providing information about nature of defense and economy of province of Sonora, largely as it related to implementation of royal regulation of 1772; includes information about subjects such as; presidio relocations; site selection; campaigns of Vildosola; battles at Tecoripa; battles at Bisanic; mission Indian alliance with barbarians; Cerro Prieto campaigns; peace negotiations; hardship caused by wars; fertility of region; progress of missions; present ruin of missions due to wars; Mineral richness of province; commerce; presidio Inspections; combat capability of troops stationed in province; daily duties of presidials; scouts; raids on various missions; troop assignments; proposals of troop assignments; corrections to Lafora map; auxiliaries (Indians and civilian); opening of a route to California; proposals to found missions and presidios along northern frontier; Bonilla includes two tables of alternate troop assignments in new defensive line; many significant references to future Yuma settlements. Taken together a document of extreme importance to history of Sonora. (J. Williams, April 1987)

Concerns expedition of Anza and Garces to Alta California with references to proposal for founding of Colorado missions for Yumas; proposal to reopen missions among Moquis (Hopis); expeditions to explore routes from Sonora to New Mexico; and other reports on same subjects. (J. Williams, April 1987)