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- All Subjects: Agriculture
- All Subjects: Geography
- All Subjects: Heard, Dwight Bancroft, 1869-1929
- All Subjects: Nature conservation -- Political aspects -- United States -- History -- 20th century.
- Creators: Hayden, Carl T.
Letter of introduction for Dwight B. Heard on the arrival of National Park Service Director Stephen T. Mather to Phoenix. Mather's visit includes trips to Roosevelt Dam and Tumacácori.
Letter from Carl Hayden to W. W. Bass concerning the passing of the national park bill. Hayden states that he will try to make the bill as advantageous to Arizona miners and farmers as possible, but the land will either remain as a national monument or become a national park. A postscript is added concerning the land allocated for the Havasupai Tribe.
Letter from Carl T. Hayden to C. H. Gensler, Havasupai Indian Reservation, regarding Hualapai and Cataract Canyons geography.
An audio recording of the award ceremony featuring remarks from Senator Hayden, US Secretary of Agriculture Orville Freeman and US Secretary of the Interior Stewart Udall.