Filtering by
- All Subjects: Eakin, John Ross, 1879-1946
- All Subjects: Moran, Patrick Joseph, 1864-1936
- All Subjects: Heard, Dwight Bancroft, 1869-1929
- 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 T. Hayden to P. J. Moran concerning the alignment of the road to Bright Angel Trail.
Letter from Carl T. Hayden to J. R. Eakin regarding changes to the Grand Canyon National Park boundaries and the purchase of lands from William Randolph Hearst.
Letter from Carl Hayden to J. R. Eakin about a trip to the Grand Canyon.
Letter from Carl Hayden to J. R. Eakin regarding the sale of Bass property to the Santa Fe Railroad Company.