Filtering by
- All Subjects: Production Photograph
- All Subjects: Water
- All Subjects: Hayden, Carl Trumbull, 1877-1972
Letter from W. W. Bass to Harry Welch protesting the proposed national park bill.
Letter from Harry Welch to Carl Hayden enclosing W. W. Bass' letter of protest against the proposed national park bill.
Letter from Carl Hayden to L. B. Williams concerning the proposed township in the Grand Canyon.
Letter from L. B. Williams to Carl Hayden regarding W. W. Bass' resistance to the park bill.
Letter from George Otis Smith to Carl Hayden regarding mining rights in the Grand Canyon.
Letter from Carl Hayden to George Otis Smith asking his advice regarding the mining of asbestos deposits in the Grand Canyon.
Letter from George Otis Smith, U.S. Geological Survey to Carl Hayden regarding asbestos mining prospects in the Grand Canyon.
Letter from W. W. Bass to Carl Hayden regarding the right to his property.
Letter from Carl T. Hayden to C. H. Gensler, Havasupai Indian Reservation, regarding Hualapai and Cataract Canyons geography.
Letter from C. H. Gensler, Havasupai Agency to Carl Hayden regarding boundary lines.