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ContributorsGrand Canyon National Park (Publisher)
Created1934-12
DescriptionPublication detailing the natural history of the Grand Canyon. Vol.9, No.9. Circa 1926-1934.
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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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ContributorsUnited States National Park Service (Publisher)
Created1924-12-16
Description

Press release on the increase in wildlife in the Grand Canyon including mountain sheep, deer, and the Abert Squirrel.

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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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ContributorsFinney, Finney (Author)
Created1918-06-26
Description

Letter to Carl T. Hayden regarding a water-power bill in effect for the Grand Canyon.

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ContributorsZachau, Bernie (Author)
Created1917-02-17
Description

Letter from Bernie Zachau to Carl Hayden regarding water power in the Grand Canyon.

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ContributorsCotter, Joseph J. (Author)
Created1917-03-03
Description

Letter from Joseph J. Cotter to Carl Hayden regarding the use of water power and summer homes in the proposed park boundaries.

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ContributorsTombstone Prospector (Publisher)
Created1917-02-03
DescriptionNewspaper article outlining plans for the development of the Grand Canyon into a national park including the building of roads and railways for easier access. The article mentions that grazing, mining, and the development of water power will still be in effect.