Matching Items (4)
Filtering by
- All Subjects: Grand Canyon National Park (Ariz.)
- All Subjects: National parks and reserves (Ariz.)
- Creators: Underhill, A. Heaton
- Creators: American Journal of Science
- Creators: Atlantic and Pacific Railroad
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ContributorsJackson, William H. (Author) / Atlantic and Pacific Railroad (Publisher) / W.H. Jackson and Co. (Photographer)
Description
Black and white stereograph card of a man sitting on an outcropping and overlooking the canyon. Circa 1879.
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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.
![67291-Thumbnail Image.png](https://d1rbsgppyrdqq4.cloudfront.net/prism/s3fs-public/2021-05-28/67291-Thumbnail%20Image.png?VersionId=gTyMEuOnwCOYPbV2.OQ__E_9.veNTbR.)
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
![67293-Thumbnail Image.png](https://d1rbsgppyrdqq4.cloudfront.net/prism/s3fs-public/2021-05-28/67293-Thumbnail%20Image.png?VersionId=dVUHqv.cEcusq8sbiiMTLofe_9.tDxVg)
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.