Documents pertaining to naming of engineers and instructions on how to achieve goals of expeditions to Nueva Vizcaya and Sonora. Planning and settlement of port of Guaymas and Rio Yaqui as Principal areas for commerce and trade. Conquest thru war and pacification of Seris and Pimas Altos; detailed ethnography. After achieving these goals expedition to resume exploration up Rio Gila establishing town on banks preferably near Colorado River to serve as capital of Gila province; study natural resources in detail; find mines and other natural riches to attract settlers; wage war against Apaches to secure lands and make possible fluvial navigation. Area should serve as protection to other settlements to east and south of province. Letters about arrival of visitador general Galvez to Sonora on his way to California. (A. Dell'acqua, November 1987)