Typescript draft of Bill H.R. 20819 to provide for the construction of roads and other permanent improvements at or near the Grand Canyon. The sum of $110,000 dollars is to be appropriated for the project under the direction of the Secretary of Agriculture.

Letter from Ralph H. Cameron to Carl Hayden thanking him for forwarding Senate Bill No. 390 with the report of March 31st, 1918, and expressing interest in their upcoming meeting in Washington.

Letter from Ralph H. Cameron to Carl Hayden requesting a delay on the introduction of the Grand Canyon bill until he can meet with himself and Senator Ashurst in Washington.

Letter from Ralph H. Cameron asking to speak to Carl Hayden concerning a matter relevant to the bill granting National Park status to the Grand Canyon.

Photograph showing the interior of a building at Arcosanti with a drafting table

Photograph showing architectural drawings in a building at Arcosanti

Photograph showing Paolo Soleri talking to a group of people in The Octagon, a community building at Arcosanti

Photograph of Paolo Soleri standing in front of a structure at Arcosanti

Photograph showing people at Ceramic Apse under construction at Arcosanti

Photograph showing people working on construction of vaults and Ceramic Apse at Arcosanti