Matching Items (3)
Filtering by
- All Subjects: Legislation
- Creators: United States National Park Service
- Creators: Smith, George Otih
- Status: Published
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.
ContributorsUnited States National Park Service (Publisher)
Description
Map of proposed addition to Grand Canyon National Park Boundaries. Circa 1932.
ContributorsUnited States National Park Service (Publisher)
Created1925-10-19
DescriptionMap of Proposed Boundary Changes to Grand Canyon National Park.