Matching Items (2)
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- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: Borkan, Ronald E.
- Creators: The Denver Service Center, National Park Service, U.S. Dept. of the Interior
- Member of: Grand Canyon National Park Government Documents
ContributorsThe Denver Service Center, National Park Service, U.S. Dept. of the Interior (Publisher)
Created1976
DescriptionDepartment of the Interior draft environmental statement of the proposed wilderness classification for Grand Canyon National Park.
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.