Filtering by
- All Subjects: Hayden, Carl Trumbull, 1877-1972.
- All Subjects: Arizona. Legislature
- All Subjects: Heard, Dwight Bancroft, 1869-1929
- All Subjects: Hualapai Indian Tribe of the Hualapai Indian Reservation, Arizona
- All Subjects: Nature conservation -- Political aspects -- United States -- History -- 20th century.
- Creators: Hayden, Carl T.
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.
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 C. H. Akers on the opposition to the Grand Canyon bill from A. A. Johns, J. W. Sullivan, Jesse Hoyce, T. E. Cureton, and Hugh Campbell. Hayden mentions his failure to contact the governor before the present special session, but expresses hope of the legislature passing a memorial on the subject.
Letter from Carl Hayden to Hugh E. Campbell with an enclosed outline map of the proposed boundaries of Grand Canyon National Park.