Cosmos Mindeleff, A Study of Pueblo Architecture…
“ In some of the ancient examples the labor required to so prepare the sites would not have exceeded that expended on the massive masonry composed of numberless small stones. Many of the older works testify to the remarkable patience and industry of the builders in amassing and carefully adjusting vast quantities of building materials, and the modern Indians of Tusayan and Cibola have inherited much of this ancient spirit; yet this industry was rarely diverted to the excavation of room or village sites, except in the case of the kivas, in which special motives led to the practice. ”
