Filtering by
- All Subjects: South Kaibab Trail (Ariz.)
- All Subjects: Flora and fauna
- All Subjects: Hopi Tribe of Arizona
- All Subjects: Hearst, William Randolph, 1863-1951
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
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.
Handwritten cover titled, "Nature Notes of Grand Canyon, Polyphemus Moth, Female, Found at Grand Canyon, 5 July 1928, Vol. 3 - No. 2." Cover includes a drawing of the moth.
Typescript report, black and white, describing the birds of Grand Canyon National Park with cover drawing of a bald eagle.
Black and white print of people riding mules down a trail. Circa 1940-1949.
Press release on the increase in wildlife in the Grand Canyon including mountain sheep, deer, and the Abert Squirrel.
Letter from Fred Harvey to Senator Carl Hayden on the diary of Padre Francisco Garcés and his entry on July 4, 1776.
Letter from Fred Harvey to Senator Carl Hayden on the diary of Padre Francisco Garcés and the lack of knowledge of U.S. citizens regarding the Hopi people.