Matching Items (2)
Filtering by
- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: Borkan, Ronald E.
- Creators: Grand Canyon National Park
- Status: Published
![41519-Thumbnail Image.png](https://d1rbsgppyrdqq4.cloudfront.net/prism/s3fs-public/2021-04/41519-Thumbnail%20Image.png?VersionId=4wnKSBu_70jO6Akj0J0f1_C1yBqGbUtF)
ContributorsGrand Canyon National Park (Publisher)
Created1934-12
DescriptionPublication detailing the natural history of the Grand Canyon. Vol.9, No.9. Circa 1926-1934.
![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.