Figure 8 from Hack, J.T. 1942. The Changing Physical Environment of the Hopi Indians of Arizona.
Papers of the Peabody Museum 35(1). Harvard University. Cambridge, p. 14.

Map of the Hopi country, showing principal villages, ruins, springs, roads, and large areas of active dunes.
Note the relationship between the large springs and irrigated gardesn, and the areas of active dunes.