Matching Items (3)
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- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: Borkan, Ronald E.
- Creators: Cramton, Louis C.
- Creators: Crosby, W. W.
ContributorsCrosby, W. W. (Author)
Created1923-08-21
Description
Letter from W. W. Crosby to the Director of the National Park Service defending his placement of the dynamite near Grand Canyon Village. He states there is between 16-20 tons of dynamite.
ContributorsCramton, Louis C. (Author)
Created1924-03-03
DescriptionSpeech by Representative Cramton in favor of the purchase of lands that contain Bright Angel Trail from Coconino County, and to eliminate private ownership of the 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.