Filtering by
- All Subjects: Civilian Conservation Corps (U.S.)
- All Subjects: Grand Canyon (Ariz.)
- All Subjects: Heard, Dwight Bancroft, 1869-1929
- All Subjects: Rickel, Joseph B., 1895-1974
- 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 T. Hayden to J. B. Rickel concerning proposed changes to Grand Canyon National Park boundaries.
Letter from Carl Hayden to J. V. Lloyd, Assistant Superintendent of Grand Canyon National Park, thanking him for his support in maintaining Civilian Conservation Corp companies at full strength. Handwritten note in red pencil, "Jack - For my attention in January. Hayden."
Letter from Carl Hayden to Tom L. Rees detailing Rees opposition to the establishment of the Grand Canyon as a National Park. Hayden states that he is waiting on a response from Mr. Woolfolk regarding the matter.