Matching Items (2)
Filtering by
- All Subjects: Grand Canyon National Park (Ariz.)
- All Subjects: Glen Canyon National Recreation Area (Utah and Ariz.)
- Creators: Borkan, Ronald E.
- Creators: Edwards, John H.
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ContributorsEdwards, John H. (Author) / United States Department of the Interior (Publisher)
Created1926-04-02
DescriptionGrand Canyon National Park General Regulations.
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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.