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)