Matching Items (3)
Filtering by
- All Subjects: Hayden, Carl Trumbull, 1877-1972
- Creators: Smith, George Otis
- Creators: Zachau, Bernie
![41240-Thumbnail Image.png](https://d1rbsgppyrdqq4.cloudfront.net/prism/s3fs-public/2021-04/41240-Thumbnail%20Image.png?VersionId=dlN17l0d9lv5vVHeY6WuoBOuHYXoCtYn)
ContributorsSmith, George Otis (Author)
Created1918-04-23
Description
Letter from George Otis Smith, U.S. Geological Survey to Carl Hayden regarding asbestos mining prospects in the Grand Canyon.
![41242-Thumbnail Image.png](https://d1rbsgppyrdqq4.cloudfront.net/prism/s3fs-public/2021-04/41242-Thumbnail%20Image.png?VersionId=PlBJZ_j7G_X9810E9WMjICkvoqLAH5fi)
ContributorsSmith, George Otis (Author)
Created1918-05-01
Description
Letter from George Otis Smith to Carl Hayden regarding mining rights in the Grand Canyon.
![41257-Thumbnail Image.png](https://d1rbsgppyrdqq4.cloudfront.net/prism/s3fs-public/2021-04/41257-Thumbnail%20Image.png?VersionId=nR6tGFHhfD3lY3h6mIAgprRN74W4nLKr)
ContributorsZachau, Bernie (Author)
Created1917-02-17
Description
Letter from Bernie Zachau to Carl Hayden regarding water power in the Grand Canyon.