Matching Items (3)
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- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: Moran, P. J.
- Creators: Borkan, Ronald E.
- Status: Published
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.
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.
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.