Postcard of Yaz-Yah, A Navajo Girl. ca. 1924, Yaz-Yah, A Navajo Girl. When a traveler journeys to Hopiland in Arizona he crosses a portion of the Navajo reservation. There are some 16,000 Indians on the reservation. Nowhere, however, are they gathered into anything like a village as are the Pueblo Indians or even in groups such as are found among other tribes in the Southwest. They wander here and there like true nomads. The great industry of the women is carding and spinning wool and weaving it