Matching Items (3)
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- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: Underhill, A. Heaton
- Creators: United States Department of Agriculture
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.
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.
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