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ContributorsHayden, Carl T. (Author)
Created1924-03-25
Description

Letter of introduction for Dwight B. Heard on the arrival of National Park Service Director Stephen T. Mather to Phoenix. Mather's visit includes trips to Roosevelt Dam and Tumacácori.

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ContributorsHayden, Carl T. (Author)
Created1917-06-28
Description

Letter from Carl Hayden to W. W. Bass concerning the passing of the national park bill. Hayden states that he will try to make the bill as advantageous to Arizona miners and farmers as possible, but the land will either remain as a national monument or become a national park.

Letter from Carl Hayden to W. W. Bass concerning the passing of the national park bill. Hayden states that he will try to make the bill as advantageous to Arizona miners and farmers as possible, but the land will either remain as a national monument or become a national park. A postscript is added concerning the land allocated for the Havasupai Tribe.

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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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Created1926-04-02
DescriptionGrand Canyon National Park General Regulations.
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ContributorsHayden, Carl T. (Author)
Created1926-06-12
Description

Letter from Carl T. Hayden to Alf Dickenson about mine locations within the park.

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ContributorsHayden, Carl T. (Author)
Created1924-08-06
Description

Letter from Carl T. Hayden to Louis C. Cramton about potential prosecution of people with mining claims within park boundaries.