The last lecture featured a detailed look at Homol'ovi as an ancestral Hopi place. Bowls of all three of these pottery types exhibit red exterior surfaces and black painted designs on a white interior surface. At the same time these new pottery types come into use in these areas, a number of other changes occurred.
Many archaeologists attribute such sweeping changes to an influx of foreigners with new ideas.
One group of researchers suggest that Salado represents the replacement of earlier groups by immigrants. It has been said many times before that migration is a central topic in Hopi oral tradition. Hopi oral texts provide a number of pieces of information relevant to the question of Salado origins. Arizona The earliest Salado Polychrome pottery was made in the east-central Arizona and spread south, north, and west through time. Other previously occupied villages show evidence of new additions being constructed, including kivas.