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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.
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ContributorsUnited States National Park Service (Publisher)
Description

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

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Created2009-08-28
Description

This report examines how effectively Pima County’s natural open-space acquisitions have addressed priorities for conserving species’ habitats and landscape features identified in the Sonoran Desert Conservation Plan. The scope of this study is beyond the County's Multi-Species Conservation Plan, which is a subset of the overall Sonoran Desert Conservation Plan.

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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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Created2001-05
Description

Reviews the planning efforts and analyzes the existing background reports, master plans, and management plans of parks and preserves owned by Pima County. A comparison of the planning documents, natural and cultural resources, threats and stressors, inventories, monitoring and research activities is presented.