Matching Items (2)
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- All Subjects: Grand Canyon National Park (Ariz.)
- All Subjects: Hayden, Carl Trumbull, 1877-1972
- Creators: Cooperative National Park Resources Studies Unit, University of Arizona
- Creators: Hoover, Herbert, 1874-1964
ContributorsHayden, Carl Trumbull, 1877-1972 (Contributor) / Hoover, Herbert, 1874-1964 (Contributor) / United States. Congress (Creator) / Archives and Special Collections, Arizona State University Libraries (Host institution)
Created1928
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