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67283-Thumbnail Image.png
ContributorsU.S. Dept. of the Interior (Publisher)
Created1964-09-26
Description

A pamphlet on Bridge and Marble Canyon Dams and their relationship to Grand Canyon Natinal Park and Monument.

67293-Thumbnail Image.png
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.

61840-Thumbnail Image.jpg
ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962
61940-Thumbnail Image.jpg
ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962
61943-Thumbnail Image.jpg
ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962
61944-Thumbnail Image.jpg
ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962
61946-Thumbnail Image.jpg
ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962
61949-Thumbnail Image.jpg
ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962
61950-Thumbnail Image.jpg
ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962
61961-Thumbnail Image.jpg
ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962