Matching Items (7)
Filtering by
- All Subjects: Mining
- All Subjects: Geologic survey
- All Subjects: Gold, Frank M., 1878-1976
- All Subjects: Heard, Dwight Bancroft, 1869-1929
- Creators: Hayden, Carl T.
- Creators: Edwards, John H.
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.
ContributorsHayden, Carl T. (Author)
Created1918-07-03
Description
Letter from Carl Hayden to Stephen T. Mather regarding certain amendments to the national park bill. Rights regarding the Havasupai Tribe are mentioned.
ContributorsHayden, Carl T. (Author)
Created1924-08-06
Description
Letter from Carl T. Hayden to Louis C. Cramton about potential prosecution of people with mining claims within park boundaries.
ContributorsHayden, Carl T. (Author)
Created1926-06-12
Description
Letter from Carl T. Hayden to Alf Dickenson about mine locations within the park.
ContributorsEdwards, John H. (Author) / United States Department of the Interior (Publisher)
Created1926-04-02
DescriptionGrand Canyon National Park General Regulations.
ContributorsHayden, Carl T. (Author)
Created1924-02-06
Description
Letter from Carl Hayden to F. M. Gold about the purchase of Bright Angel Trail.