Matching Items (2)
Filtering by
- All Subjects: Heard, Dwight Bancroft, 1869-1929
- All Subjects: Smith, George Otis, 1871-1944
- All Subjects: Theodore Roosevelt Dam (Ariz.)
- Creators: Hayden, Carl T.
ContributorsHayden, Carl T. (Author) / Smith, George Otih (Author)
Created1918-04-25
Description
Letter from Carl Hayden to George Otis Smith asking his advice regarding the mining of asbestos deposits in the Grand Canyon.
ContributorsHayden, Carl T. (Author)
Created1924-03-25
Description
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.