Filtering by
- All Subjects: North Rim (Ariz.)
- All Subjects: Gilliland, Richard P., 1883-1966
- All Subjects: Heard, Dwight Bancroft, 1869-1929
- All Subjects: Rickel, Joseph B., 1895-1974
- Creators: Hayden, Carl T.
- Creators: Tillotson, Miner Raymond
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
Letter from Carl Hayden to R.P Gilliland regarding the sale of Bright Angel Trail (Ariz.) and construction of the President's Highway from Maine, AZ to the Grand Canyon.
Letter from Miner Tillotson to Carl Hayden in regards to a request for two small blue spruce trees from the North Rim.
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 Alf Dickenson about mine locations within the park.
Letter from Carl T. Hayden to J. B. Rickel concerning proposed changes to Grand Canyon National Park boundaries.
Letter from Carl T. Hayden to Louis C. Cramton about potential prosecution of people with mining claims within park boundaries.
Letter from Arno B. Cammerer to Carl Hayden regarding the storage of dynamite in Shoski Canyon.