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ContributorsVerkamp, Margaret M. (Author) / University of Arizona (Publisher)
Created1940
DescriptionThesis submitted to the faculty of the Department of History in partial fulfillment of the requirements for the degree of Master of Arts in the Graduate College, University of Arizona, 1940.
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ContributorsMoran, P. J. (Author)
Created1925-04-08
Description

Letter from P. J. Moran to Carl T. Hayden inquiring when construction will begin on the approach road to Bright Angel Trail.

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ContributorsMoran, P. J. (Author)
Created1926-03-24
Description

Letter from P. J. Moran to Carl T. Hayden inquiring when construction will begin on the approach road to Bright Angel Trail.

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ContributorsDixon, Maynard (Artist) / Standard Oil Company of California (Sponsor)
Created1937-06
Description

Bulletin describing a radio broadcast of a sightseeing plane trip over the Grand Canyon. Cover art by Maynard Dixon (1875-1946).

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ContributorsU.S. Department of the Interior (Publisher)
Created1979-12-20
DescriptionColorado River management plan, Grand Canyon National Park, Arizona.