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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.

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ContributorsSmith, George Otis (Author)
Created1918-05-01
Description

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

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ContributorsMyers, H. L. (Author)
Created1917-02-20
DescriptionReport to accompany S 8250. Calendar No.967; 64th Congress 2nd Session
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ContributorsCroaff, Thomas J. (Author)
Created1917-02-06
Description

Letter from attorney Thomas J. Croff to Carl Hayden informing him of the Atchison, Topeka, and Santa Fe railroad company's ownership of land inside the proposed national park boundaries.

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Created1939-05-29
DescriptionBrochure promoting train tours with schedules. Includes black and white images of the canyon.