Matching Items (3)
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- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: Borkan, Ronald E.
- Creators: U.S. Dept. of the Interior
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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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ContributorsU.S. Dept. of the Interior (Publisher)
Created1964-09-26
Description
A pamphlet on Bridge and Marble Canyon Dams and their relationship to Grand Canyon Natinal Park and Monument.
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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.