| Students turn their attention to the study of American Indian tribes, including the Hopi, Navajo, Apache and others. |
| The manifestations of spirits, the katsinas, are of supreme importance to the Hopi. |
| Modern Hopi farmers still use the old methods, raising mainly corn, melons, gourds, and many varieties of beans. |
| The imprints of the tribes such as the Navajo, Apache, Hopi and Zuni are visible on the land of Southwest. |
| Fierce land disputes between their tribes far predate the 19 th-century creation of the Navajo and Hopi reservations, and continue to this day. |
| For more than twenty-five years, his work as an ethnolinguist has focused on the preservation of Hopi language and culture. |
