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Created1905
Description

Detailed map of Granite Gorge section of the Grand Canyon from the pamphlet titled, "Titan of Chasms: Grand Canyon of Arizona."

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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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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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ContributorsHayden, Carl T. (Author)
Created1918-07-19
Description

Letter from Carl T. Hayden to C. H. Gensler, Havasupai Indian Reservation, regarding Hualapai and Cataract Canyons geography.

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ContributorsUnited States National Park Service (Publisher)
Created1925-10-19
DescriptionMap of Proposed Boundary Changes to Grand Canyon National Park.
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Created1917
DescriptionColor map of the Grand Canyon National Park proposed boundaries with animal habitat zones identified for deer, mountain lion and mountain sheep.
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ContributorsUnited States National Park Service (Publisher)
Description

Map of proposed addition to Grand Canyon National Park Boundaries. Circa 1932.