Matching Items (5)
Filtering by
- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: Finney, E. C.
- Creators: American Journal of Science
- Creators: Borkan, Ronald E.
- Creators: Cooperative National Park Resources Studies Unit, University of Arizona
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ContributorsFinney, E. C. (Author)
Created1922-12-06
Description
Letter from E. C. Finney to Carl Hayden regarding the cost of the Bright Angel Trail and an improved road between the town of Maine and the Grand Canyon.
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ContributorsMaxon, John H. (Author) / Campbell, Ian (Author) / American Journal of Science (Publisher)
Created1934-10-01
DescriptionExcerpt on the Archean Ripple Mark in the Grand Canyon.
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ContributorsDemaray, A. E. (Author) / Finney, E. C. (Author) / Hayden, Carl T. (Author)
Created1924-07-18
Description
Four letters of correspondence about the purchase of Bright Angel Trail between A. E. Demaray, Acting Director of the Grand Canyon National Park; E. C. Finney, Department of the Interior First Assistant Secretary; Carl T. Hayden, Representative (AZ); and Stephen T. Mather, Director of the National Park Service.
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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.