Letter from A. F. Potter to Carl T. Hayden describing John H. Page's request to build a railway for the Canyon Copper Company as "impractical."

Letter from A. F. Potter to John H. Page referring his request to build a railway to the District Forester at Albuquerque, New Mexico.

Photograph showing Paolo Soleri working on construction (1960s) of Foundry Apse at Cosanti in Paradise Valley, Arizona

Photograph of bronze bell windchimes hanging from South Apse at Cosanti in Paradise Valley, Arizona

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

Interior photograph of Earth House at Cosanti in Paradise Valley, Arizona

Photograph showing roof structures of the Drafting Studio, Ceramics Studio, and Foundry Apse at Cosanti in Paradise Valley, Arizona

Photograph of an unidentified person standing near a structure at Cosanti in Paradise Valley, Arizona

Photograph of swimming pool and concrete canopy, with view of Student Apse in background, at Cosanti in Paradise Valley, Arizona

Photograph of Drafting Studio and Ceramics Studio at Cosanti in Paradise Valley, Arizona