Filtering by
- All Subjects: Grand Canyon National Park (Ariz.)
- All Subjects: Paradise Valley (Ariz.)--Buildings, structures, etc
- All Subjects: Hayden, Carl Trumbull, 1877-1972
- Creators: Gavin, J. E.
- Creators: McCleve, Michael
Letter from J. E. Gavin to Louis C. Cramton regarding the Bright Angel Trail controversy, including newspaper clipping.
Letter from J. E. Gavin to Jesse L. Boyce regarding the TNT storage in the Grand Canyon. Gavin states that although acting director Arno B. Cammerer is confident in Superintendent Crosby's report concerning the legitimacy of the storage, he will continue to investigate the matter to ensure public safety.
Letter from J. E. Gavin on behalf of Carl Hayden writing in regards to the insurance claims filed with the National Park.
Photograph of Michael McCleve, a sculptor, who worked for many years at Cosanti in Paradise Valley, Arizona
Photograph of Michael McCleve working on a sculpture entitled "Il Donnone," designed by Paolo Soleri, in South Apse at Cosanti in Paradise Valley, Arizona