Letter from Fred Harvey to Senator Carl Hayden on the diary of Padre Francisco Garcés and his entry on July 4, 1776.

Letter from Fred Harvey to Senator Carl Hayden on the diary of Padre Francisco Garcés and the lack of knowledge of U.S. citizens regarding the Hopi people.

Letter from Henry Graves to Carl T. Hayden regarding the land ownership and grazing rights of the Havasupai.

Photograph showing buildings under construction at Arcosanti

Photograph showing buildings under construction at Arcosanti

Panorama view of Arcosanti site showing buildings under construction

Panorama view of Arcosanti site showing buildings under construction

Photograph of plaster molds used during the ceramic bell-making process at Cosanti in Paradise Valley, Arizona

Photograph of a lost styrofoam casting at Cosanti in Paradise Valley, Arizona

Photograph of Earth House, designed by Paolo Soleri in 1956, at Cosanti in Paradise Valley, Arizona