Filtering by
- All Subjects: Cataract Canyon (Wayne County-San Juan County, Utah)
- All Subjects: Fred Harvey (firm)
- All Subjects: Heard, Dwight Bancroft, 1869-1929
- All Subjects: Williams, Lawrence S., 1868-1946
- All Subjects: World War I
- Creators: Hayden, Carl T.
Letter from Carl T. Hayden to C. H. Gensler, Havasupai Indian Reservation, regarding Hualapai and Cataract Canyons geography.
Letter from Carl Hayden to L. L. Ferrall on the favorable conditions for creating a national park and the prospect of the United States entering WW I.
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 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.
Letter from Carl Hayden to Hugh E. Campbell with an enclosed outline map of the proposed boundaries of Grand Canyon National Park.