From the online Mission 2000 database at Tumacacori National Park (in Arizona), I just now copied and pasted this part of a record from 1746:". . .Royal Presidio of Santa Rosa de Corodéguachi, known as Fronteras, in the Province of Sonora, jurisdiction of Nacozari. In certification of this I signed as above, etc. = Fray Pedro Verdugo del Castillo (rubric)".
This online database is a significant resource for Spanish Colonial Period researchers.Also online is the searchable database for DRSW (Documentary Relations of the Southwest), which is an archive located in the Office of Ethnohistorical Research, in the Arizona State Museum on the University of Arizona campus in Tucson, Arizona.