Alderete writes diary recounting activities of troops under his command at Santa Rosa presidio from July 14 - December 31, 1767. Details administration and organization of presidial troops, their routine activities, actions against Apaches, Indian activities, and mail service. Letter concerning military appointments, problems with Apaches, and military actions. Alderete certifies that he informed troops of viceroy's letter about salaries. Letters interspersed with notes by unknown official to Alderete. (S. Fiederlein, 4-3-87)