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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ContributorsUnited States Geological Survey (Publisher)
Created1937-06
DescriptionAerial survey, contour map of proposed Fredonia-Toroweap road.
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ContributorsDemaray, A. E. (Author)
Created1923-10-31
Description

Letter from A. E. Demaray to Carl Hayden regarding the storage of dynamite in Shoski Canyon.

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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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ContributorsEakin, J. R. (Author)
Created1924-10-24
Description

Travel statistics for Grand Canyon 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."

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ContributorsPotter, A. F. (Author)
Created1910-08-15
Description

Letter from A. F. Potter to John H. Page referring his request to build a railway to the District Forester at Albuquerque, New Mexico.

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ContributorsPage, John H. (Author)
Created1910-08-09
Description

Letter from John H. Page regarding his right to build a railway between Grand Canyon Station and the Canyon Copper Company's mines and hotel.

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ContributorsPinchot, Gifford (Author)
Created1909-11-01
Description

Letter from Gifford Pinchot to John H. Page denying his request to build a railway on the rim of the Grand Canyon for the Canyon Copper Company.