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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.

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ContributorsHamilton, Ed (Author)
Created1935-06-27
Description

Letter from Ed Hamilton to Carl Hayden outlining his opposition to Superintendent Tillotson's report on the road between Grand Canyon Village and Rowe's Well.

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ContributorsHamilton, Ed (Author)
Created1935-02-08
Description

Letter from Ed Hamilton to Carl Hayden requesting maintenance for the road between Grand Canyon Village and Rowe's Well.

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ContributorsHamilton, Ed (Author)
Created1923-10-23
Description

Letter from Ed Hamilton to Carl Hayden regarding the storage of dynamite in Shoski Canyon.

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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.
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ContributorsHamilton, Ed (Author)
DescriptionGrand Canyon Village to Rowe's Well Road. Circa 1935.