Filtering by
- All Subjects: Fred Harvey (firm)
- All Subjects: Heard, Dwight Bancroft, 1869-1929
- All Subjects: Nature conservation -- Political aspects -- United States -- History -- 20th century.
- All Subjects: Railroad
- All Subjects: Riordan, Michael James, 1865-1930
- 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 Stephen T. Mather regarding certain amendments to the national park bill. Rights regarding the Havasupai Tribe are mentioned.
Letter from Carl T. Hayden to Michael J. Riordan explaining the benefits of selling Bright Angel Trail and building an approach road.
Letter from Carl Hayden to W. W. Bass congratulating him on his good business judgement.
Letter from Carl Hayden to Stephen Mather regarding the sale of Bass properties to the Santa Fe Railroad Company.