Rivera defends regulation of 1729 against accusations of Jesuit missionaries of Tarahumara Alta (See ff. 134-255); includes comments on utility of smaller garrisons; nature of war fought there; limited escort services; his inspection of Nayari and other frontier regions; comments on recent attacks in Nueva Vizcaya and at other places in provinces; explains duty of 6 presidio forces stationed in province; questions ability of Jesuits to understand situation; reflects on progress of missionization; describes routes of highway patrols; Inspections of Retana; battle at quagisole; reflects on campaigns dating back to 1650; praises Tarahumaras; notes their construction of fine churches; summary of 1729 events in Sonora; comments on arms and equipment, state of supply; explains convoy system; cites need to be frugal with king's limited resources; emphasizes demilitarized character of Texas frontier; notes use of canary islanders in Texas. (J. Williams, may 1987)