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ContributorsBass, W. W. (Author)
Created1917-04-30
Description

Letter from W. W. Bass to Carl Hayden concerning the mining of asbestos in the Grand Canyon.

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ContributorsMcCulloch Bros. (Photographer)
Created1911
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ContributorsMcCulloch Bros. (Photographer)
Created1915
DescriptionThe date assigned to this photograph is approximate.
ContributorsMcCulloch Bros. (Photographer)
Created1915
DescriptionThe date assigned to this photograph is approximate.
33797-Thumbnail Image.jpg
ContributorsMcCulloch Bros. (Photographer)
Created1915
Description

The date assigned to this photograph is approximate.

33798-Thumbnail Image.jpg
ContributorsMcCulloch Bros. (Photographer)
Created1927
Description

The date assigned to this photograph is approximate.