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Letter From Harry Welch, (Phoenix) Chamber of Commerce to Carl Hayden

ContributorsWelch, Harry (Author)
Created1918-04-13
Description

Letter from Harry Welch to Carl Hayden enclosing W. W. Bass' letter of protest against the proposed national park bill.

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Letter From George Otis Smith, U.S. Geological Survey to Carl Hayden

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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Letter From George Otis Smith, U.S. Geological Survey to Carl Hayden

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.