Filtering by
- All Subjects: Hayden, Carl Trumbull, 1877-1972
- All Subjects: Hayden, Carl Trumball, 1877-1972
- Creators: Hayden, Carl T.
- Creators: Potter, A. F.
- Creators: Akers, Charles H.
- Creators: Gaines, John W.
- Creators: Kuchel, Thomas H.
- Creators: Mexico, Ministries of Forign Relations and Agriculture
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Letter from Carl Hayden to R.P Gilliland regarding the sale of Bright Angel Trail (Ariz.) and construction of the President's Highway from Maine, AZ to the Grand Canyon.
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Letter from Carl Hayden to Fred S. Breen regarding Yaki Point, the sale of Bright Angel Trail and the building of a road between Maine and the Grand Canyon.
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Letter from Carl T. Hayden to C. H. Gensler, Havasupai Indian Reservation, regarding Hualapai and Cataract Canyons geography.
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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 L. B. Williams concerning the proposed township in the Grand Canyon.
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Letter from Carl Hayden to George W. P. Hunt outlining the proposed national park boundaries and the cost of a township if the state of Arizona decided to acquire one on the rim of the Grand Canyon.
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Letter from A. F. Potter to Carl T. Hayden describing John H. Page's request to build a railway for the Canyon Copper Company as "impractical."
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Letter from Carl Hayden to Joseph J. Cotter regarding suggestions on the proposed national park bill.
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Letter from Carl Hayden to Bernie Zachau regarding the national park bill with an enclosed copy of the National Park Service Act.