Matching Items (7)
Filtering by
- All Subjects: Mining
- All Subjects: Breen, Fred Sylvester, 1869-1932
- Creators: Hayden, Carl T.
- Creators: United States Department of the Interior
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)
Created1924-12-16
Description
Letter from Carl Hayden to Fred S. Breen regarding Yaki Point, the sale of Bright Angel Trail and the building of a road between Maine and the Grand Canyon.
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)
Created1924-03-13
Description
Letter from Carl T. Hayden to Fred S. Breen concerning the expenditure of $100,000 to purchase Bright Angel Trail.
ContributorsMcKee, Edwin D. (Author) / United States Department of the Interior (Publisher) / United States National Park Service (Publisher)
Created1929
Description
Typescript report, black and white, describing the mammals of Grand Canyon National Park with cover drawing of a bighorn sheep.