Filtering by
- All Subjects: Hayden, Carl Trumbull, 1877-1972
- All Subjects: Page, John H., 1877-1960
- Creators: Potter, A. F.
- Creators: Graves, Henry S.
- Creators: Jackson, Henry M. (Henry Martin), 1912-1983
- Creators: Mitchell, Walter
- Creators: Smith, George Otih
- Creators: Zachau, Bernie
Letter from Carl Hayden to George Otis Smith asking his advice regarding the mining of asbestos deposits in the Grand Canyon.
Letter from A. F. Potter to John H. Page referring his request to build a railway to the District Forester at Albuquerque, New Mexico.
Letter from Henry Graves to Carl T. Hayden regarding the land ownership and grazing rights of the Havasupai.
Letter from Bernie Zachau to Carl Hayden regarding water power in the Grand Canyon.
Letter from A. F. Potter to Carl Hayden regarding W. W. Bass's livery permit. Bass's fee to maintain the roads has been reduced to $50 per year, but he will still need to keep his business at least a hundred feet from the Grand Canyon rim so as not to disturb visitors.
Letter from Walter Mitchell to Carl Hayden on building a Union Chapel in the Grand Canyon.