Matching Items (4)
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- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: Borkan, Ronald E.
- Creators: Continental Oil Company
- Creators: Cramton, Louis C.
- Creators: United States Department of Agriculture
ContributorsContinental Oil Company (Publisher)
Description
Script of a radio program titled, "Exploring America with Carveth Wells," published by the Conoco Travel Bureau. Circa 1932.
ContributorsUnited States Department of Agriculture (Publisher)
Created1917
DescriptionColor map of the Grand Canyon National Park proposed boundaries with animal habitat zones identified for deer, mountain lion and mountain sheep.
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.