Frances Canyon Ruin, near Blanco in northern New Mexico, is a Navajo pueblito built around 1716 and part of a group of small defensive-style masonry sites in the Dinétah region. It is significant for showing changes in Navajo life during the 18th century. After Spanish colonists introduced sheep, fruit, cattle, and horses, and after the Pueblo Revolt of 1680 to 1692, the Navajo adopted some pueblo lifeways. At Frances Canyon, these changes appear in larger settlement patterns and new trade relationships, reflecting an earlier, more concentrated and defensive form of community than later dispersed Navajo settlements.