Matching Items (2)
Filtering by
- All Subjects: Mining
- All Subjects: Hayden, Carl Trumbull, 1877-1972
- Creators: Smith, George Otih
- Creators: United States Department of the Interior
![41241-Thumbnail Image.png](https://d1rbsgppyrdqq4.cloudfront.net/prism/s3fs-public/2021-04/41241-Thumbnail%20Image.png?VersionId=OxHgLigDiuZTM6yGQRa_h9oGl66mCwQo)
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.
![41157-Thumbnail Image.png](https://d1rbsgppyrdqq4.cloudfront.net/prism/s3fs-public/2021-04/41157-Thumbnail%20Image.png?VersionId=W0FJikZbrQXzk_2oAvSZAj9OjKkQZPMS)
ContributorsEdwards, John H. (Author) / United States Department of the Interior (Publisher)
Created1926-04-02
DescriptionGrand Canyon National Park General Regulations.