Concerns implementation of royal regulation; Indian depredations; presidio transfers; problems of presidio relocations; reinforcement of Sonora presidios; secret alliance of Apaches and Tarahumares; peculiar characteristics of frontier warfare; military threat and power of enemy Indians; their indomitable speed and ferocity; presidio constructions; resulting dismal, tragic condition of province. (J. Williams, March 1987)

Concerns financing of dragoon detachments; their participation under O'Conor's command; their logistical needs, such a horses; their March to frontier and pay. References made to provisions of royal regulation of 1772. (J. Williams, March 1987)

Concerns forces being assembled for assignment in O'Conor's proposed campaign; notes use of veteran troops; Opatas and other auxiliaries. Fayni evaluates virtues of Tarahumaras and Chizos who might also be used in campaign. (J. Williams, March 1987)

Concerns O'Conor's promotion as comandante inspector in relation with new regulation of presidios (1772) and related minor administrative matters; such as forwarding of undescribed letters referred to by date. (J. Williams, March 1987)

Concerns release of 100 men from regular army to supplement defense forces of province; notes conditions in field of expeditions; problems associated with adequate forage for horses; consequences of having troops assigned exclusively to presidial duty in new exterior defense zone; and assignment of dragones de Espana as field forces. (J. Williams, March 1987)

Concerns resolution of military problems of province; includes notes on attack of 300 Apaches around Chihuahua city; poverty of vecinos of province who continue to provide auxiliaries; viceroy refers to new defensive program under O'Conor and transfer of dragoons to province. (J. Williams, March 1987)

Concerns various Indian attacks and Spanish responses in province; various authors emphasize how Indian wars are destroying province; includes notes on savageness of combat; governor Fayni forwards three letters (by Oxinaga, Zatarain and San Vicente) detailing specific accounts of combat, deaths, losses of livestock and arms and equipment. Viceroy Bucareli describes assignment of detachments of dragoons to Valle de San Bartolome; their logistical needs; and other presidio assignments. (J. Williams, March 1987)

Concerns movement of detachments of dragones de Mexico to Valle de San Bartholome; their logistical requirements; notes that they had originally been scheduled to serve on exterior frontier; fragment describes combat and strategy used against barbarians. (J. Williams, March 1987)

Concerns implementation of new regulation of presidios (1772); includes details on presidio transfers; difficulties of garrisons at new sites; Indian depredations in various frontier regions; and reinforcement of northern Sonoran presidios with Cuerpo volante of Chihuahua. (J. Williams, March 1987)

Concerns assignment of regular dragoons to province; notes include details on; secret Tarahumara-Apache alliance; march of detachments of dragoons from Mexico City to Nueva Vizcaya to serve in frontier defense; logistical needs of dragoons; their provision with fresh mounts through purchases from frontier haciendas; steps taken to satisfy their need for beds, lighting and firewood; their diversion from O'Conor's expedition being staged in Chihuahua city, to Valle de San Bartholome; and transfer of criminals to viceregal capital. (J. Williams, March 1987)