A digital archive celebrating the Centennial of the Grand Canyon National Park. A collaborative project of the Arizona State University Library, Cline Library, Northern Arizona University, and the Grand Canyon National Park. Additional materials are available via the project website.

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ContributorsPeabody, Henry G. (Cartographer) / United States Geological Survey (Publisher)
DescriptionColor outline map of Grand Canyon National Park. Circa 1930.
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ContributorsUnited States Geological Survey (Publisher)
Created1937-06
DescriptionAerial survey, contour map of proposed Fredonia-Toroweap road.
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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.

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ContributorsHayden, Carl T. (Author)
Created1923-10-13
Description

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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ContributorsHayden, Carl T. (Author)
Created1924-12-16
Description

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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ContributorsBass, W. W. (Author)
Created1918-01-13
Description

Letter from W. W. Bass to Carl Hayden regarding the right to his property.

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ContributorsHayden, Carl T. (Author)
Created1918-04-26
Description

Letter from Carl Hayden to L. B. Williams concerning the proposed township in the Grand Canyon.

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ContributorsHayden, Carl T. (Author)
Created1918-04-19
Description

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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ContributorsMather, Stephen T. (Author)
Created1918-03-29
Description

Letter from Stephen T. Mather to Carl Hayden with markup of bill S 390 for the proposed National Park.

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ContributorsPotter, A. F. (Author)
Created1918-01-10
Description

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."