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41472-Thumbnail Image.jpg
Description

Black and white print of man overlooking the canyon, with handwritten annotations and arrows identifying trail sites, " Mi. 38", "Dam Site" and "Mi. 37." Circa 1920-1929.

41473-Thumbnail Image.jpg
Description

Black and white print with typescript annotation, "Upstream view of the canyon of Colorado River at the bridge site near Lees Ferry, Arizona." Handwritten annotation, "Exhibit I." Circa 1920-1929.

41474-Thumbnail Image.jpg
Description

Black and white print with typescript annotation, "Close up view of Vulcan Throne, Grand Canyon, 89 miles below Bright Angel Creek." Handwritten annotation, "Exhibit IV." Circa 1920-1929.

41444-Thumbnail Image.jpg
ContributorsCampbell, Bert (Author) / Campbell, Myrtle (Author)
Description

Black and white print of people riding mules down a trail. Circa 1940-1949.

41240-Thumbnail Image.png
ContributorsSmith, George Otis (Author)
Created1918-04-23
Description

Letter from George Otis Smith, U.S. Geological Survey to Carl Hayden regarding asbestos mining prospects in the Grand Canyon.

41241-Thumbnail Image.png
ContributorsHayden, Carl T. (Author) / Smith, George Otih (Author)
Created1918-04-25
Description

Letter from Carl Hayden to George Otis Smith asking his advice regarding the mining of asbestos deposits in the Grand Canyon.

41242-Thumbnail Image.png
ContributorsSmith, George Otis (Author)
Created1918-05-01
Description

Letter from George Otis Smith to Carl Hayden regarding mining rights in the Grand Canyon.

41117-Thumbnail Image.jpg
DescriptionBlack and white, silver gelatin print with some silvering. Circa 1930.
41118-Thumbnail Image.jpg
DescriptionBlack and white, silver gelatin print with some silvering. Circa 1930.
41188-Thumbnail Image.jpg
Description

Black and white, silver gelatin print with some silvering. Circa 1930.