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Letter From Carl Hayden to George Otis Smith, U.S. Geological Survey

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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Letter From R. P. Gilliland to Carl Hayden Regarding President's Highway and Sale of Bright Angel Trail

ContributorsR. P. Gilliland, R. P. Gilliland (Author)
Created1923-10-10
Description

Letter from R.P Gilliland to Carl Hayden regarding the sale of Bright Angel Trail (Ariz.) and construction of the President's Highway from Maine, AZ, to the Grand Canyon.