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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)
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)
Created1924-03-13
Description

Letter from Carl T. Hayden to Michael J. Riordan explaining the benefits of selling Bright Angel Trail and building an approach road.