Matching Items (4)
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- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: Underhill, A. Heaton
- Creators: Breen, Fred S.
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ContributorsBreen, Fred S. (Contributor)
Created1924-12-07
Description
Letter from Fred Breen to Carl Hayden regarding the sale of Bright Angel Trail.
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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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ContributorsGreenberg, Laura B. (Author) / Underhill, A. Heaton (Author) / Cooperative National Park Resources Studies Unit, University of Arizona (Publisher)
Created1986-03
DescriptionCooperative National Park Resources Study Unit of Arizona, a special report, v no. 4, improving viistor communciation in Grand Canyon National Park
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ContributorsUnderhill, A. Heaton (Author) / Borkan, Ronald E. (Author) / Battelle Memorial Institute. Technology Partnership Practice (Publisher)
Created1986-04
Description
Cooperative National Park Resources Studies Unit for University of Arizona, effects on Glen Canyon Dam releases on Grand Canyon River trips, a technical report, vol. no. 16.