Matching Items (4)
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- All Subjects: Dynamite
- All Subjects: Heard, Dwight Bancroft, 1869-1929
- All Subjects: Smith, George Otis, 1871-1944
- All Subjects: Williams, Lawrence S., 1868-1946
- Creators: Hayden, Carl T.
ContributorsHayden, Carl T. (Author)
Created1923-09-20
Description
Letter from Carl Hayden to Arno B. Cammerer on behalf of Jesse L. Boyce's complaint. Hayden states that Boyce believes Crosby's report to be inaccurate and an underestimation of the danger of the stored explosives.
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.
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)
Created1925-04-24
DescriptionLetter from Carl Hayden to L. S. Williams about the potential to expand the park boundaries.