Matching Items (6)
Filtering by
- All Subjects: maps
- All Subjects: Smith, George Otis, 1871-1944
- Creators: Hayden, Carl T.
- Creators: Mathes, François E.
- Creators: The Military engineer
![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.
![41361-Thumbnail Image.png](https://d1rbsgppyrdqq4.cloudfront.net/prism/s3fs-public/2021-04/41361-Thumbnail%20Image.png?VersionId=H49b7F6hPMKP2XWxL0NYsfzqwLDOjC1d)
ContributorsHayden, Carl T. (Author)
Created1917-01-27
Description
Letter from Carl Hayden to W. W. Bass asking his opinion on the proposed boundaries of the National Park. GC Natl Park written on the letter in blue pencil.
![41362-Thumbnail Image.png](https://d1rbsgppyrdqq4.cloudfront.net/prism/s3fs-public/2021-04/41362-Thumbnail%20Image.png?VersionId=FNLjkVc8qZUY.xgS_8GcfQtHWb4vvBFW)
ContributorsHayden, Carl T. (Author)
Created1916-03-17
Description
Letter from Carl Hayden to W. W. Bass asking his opinion on the proposed boundaries of the National Park. GC National Park written on the letter in red pencil.
![41377-Thumbnail Image.png](https://d1rbsgppyrdqq4.cloudfront.net/prism/s3fs-public/2021-04/41377-Thumbnail%20Image.png?VersionId=bjzEsrtPpgg5n1Lm.acu4Yq_K5Av8M7q)
ContributorsHayden, Carl T. (Author)
Created1917-01-27
Description
Letter from Carl Hayden to Hugh E. Campbell with an enclosed outline map of the proposed boundaries of Grand Canyon National Park.
![41158-Thumbnail Image.png](https://d1rbsgppyrdqq4.cloudfront.net/prism/s3fs-public/2021-04/41158-Thumbnail%20Image.png?VersionId=3g7Ad8QywAoKYvEiHCo6bxFpnUHDsqfK)
ContributorsMathes, François E. (Author)
Created1926-05-15
Description
Letter from François E. Mathes to Carl T. Hayden about maps of the Grand Canyon.
![41508-Thumbnail Image.png](https://d1rbsgppyrdqq4.cloudfront.net/prism/s3fs-public/2021-04/41508-Thumbnail%20Image.png?VersionId=npJeopNZWLCJcmjcFkYmKPxU8BY02p90)
ContributorsMatthes, F. (Author) / Evans, R. T. (Author) / The Military engineer (Publisher)
Created1926-05
DescriptionGeological Survey of the Grand Canyon in published journal. Vol. XVIII, No. 99.