Matching Items (426)
Filtering by

Clear all filters

41196-Thumbnail Image.jpg
DescriptionBlack and white, silver gelatin print with some silvering. Circa 1930.
43217-Thumbnail Image.png
Created2009-07
Description

Testimony for The Subcommittee on National Parks, Forests and Public Lands of the Committee on Natural Resources presented against the withdrawal of the uranium-bearing lands around the Grand Canyon National Park.

67282-Thumbnail Image.png
ContributorsValdez, Richard A. (Author) / Bio/West, inc (Publisher)
Created1995-09
DescriptionThe Final Report on life history and ecology of the Humpback Chub in the Colorado River, Grand Canyon, Arizona.
62297-Thumbnail Image.jpg
ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962