Filtering by
- All Subjects: maps
- All Subjects: Demaray, Arthur Edward, 1887-1958
- All Subjects: Smith, George Otis, 1871-1944
- Creators: Hayden, Carl T.
- Creators: United States Geological Survey
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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 Carl Hayden to A. E. Demaray on behalf of Roy James and M. J. Hanley asking if reimbursment could be granted without the need of special legislation.
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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.
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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.
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Letter from Carl Hayden to Hugh E. Campbell with an enclosed outline map of the proposed boundaries of Grand Canyon National Park.
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Letter from Carl Hayden to A. E. Demaray enclosing Ed Hamilton's complaint regarding the road between Grand Canyon Village and Rowe's Well.
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Four letters of correspondence about the purchase of Bright Angel Trail between A. E. Demaray, Acting Director of the Grand Canyon National Park; E. C. Finney, Department of the Interior First Assistant Secretary; Carl T. Hayden, Representative (AZ); and Stephen T. Mather, Director of the National Park Service.