Certifies that Francisco Colono, a Chinese settler, completed an eight-year-contract with his employer, Diego de Fonseca.

Man sitting on roof of Student Apse with view of pool at Cosanti in Paradise Valley, Arizona

Photograph showing south exterior view of Barrel Vaults at Cosanti in Paradise Valley, Arizona

Photograph showing aerial view of Cosanti and surrounding site in Paradise Valley, Arizona

Photograph of vaults under construction at Arcosanti

Photograph of vaults under construction at Arcosanti

Photograph of vaults under construction at Arcosanti

Photograph of the Bell Tree with bronze bell windchimes at Cosanti in Paradise Valley, Arizona

Photograph of Ceramics Apse at Arcosanti

Photograph showing people working on construction of Ceramic Apse at Arcosanti