Matching Items (3)
Filtering by
- All Subjects: Hayden, Carl Trumbull, 1877-1972
- Creators: Smith, George Otis
- Creators: Welch, Harry
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.
ContributorsSmith, George Otis (Author)
Created1918-05-01
Description
Letter from George Otis Smith to Carl Hayden regarding mining rights in the Grand Canyon.
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.