Matching Items (6)
Filtering by
- All Subjects: Mining
- All Subjects: Heard, Dwight Bancroft, 1869-1929
- All Subjects: Williams, Lawrence S., 1868-1946
- Creators: Hayden, Carl T.
- Creators: Pinchot, Gifford
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.
ContributorsPinchot, Gifford (Author)
Created1909-11-01
Description
Letter from Gifford Pinchot to John H. Page denying his request to build a railway on the rim of the Grand Canyon for the Canyon Copper Company.
ContributorsHayden, Carl T. (Author)
Created1925-04-24
DescriptionLetter from Carl Hayden to L. S. Williams about the potential to expand the park boundaries.
ContributorsHayden, Carl T. (Author)
Created1926-06-12
Description
Letter from Carl T. Hayden to Alf Dickenson about mine locations within the park.
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.