Filtering by
- All Subjects: Camping
- All Subjects: United States. Congress. Senate
- All Subjects: Hearst, William Randolph, 1863-1951
- All Subjects: Smith, George Otis, 1871-1944
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
Letter from George Otis Smith, U.S. Geological Survey to Carl Hayden regarding asbestos mining prospects 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 to Carl Hayden regarding mining rights in the Grand Canyon.
Letter from Joseph J. Cotter to Carl Hayden regarding the use of water power and summer homes in the proposed park boundaries.
Letter from Carl Hayden to John H. Page asking his opinion on the proposed national park bill. W.R. Hearst's name and property rights are mentioned.
Letter from L. J. O'Reilly to Carl Hayden on behalf of William Randolph Hearst regarding his land ownership within the proposed Grand Canyon boundaries.
