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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.
ContributorsU.S. Department of the Interior (Publisher)
Created1979-12-20
DescriptionColorado River management plan, Grand Canyon National Park, Arizona.
ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962
ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962
ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962
ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962
ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962
ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962
ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962