Filtering by
- All Subjects: South Kaibab Trail (Ariz.)
- All Subjects: Flora and fauna
- All Subjects: Map
- All Subjects: United States. Congress. Senate
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
Letter from Carl Hayden to W. W. Bass informing him that his contribution for maintaining the roads at the Grand Canyon has been reduced to $50 per year. Hayden also notes that no further action on national park status will be taken until December 1917 during the regular session of congress.
Map of proposed addition to Grand Canyon National Park Boundaries. Circa 1932.
Letter from attorney Thomas J. Croff to Carl Hayden informing him of the Atchison, Topeka, and Santa Fe railroad company's ownership of land inside the proposed national park boundaries.
Letter from Carl Hayden to C. T. Woolfolk thanking him for his support on the proposed bill. Hayden writes that the bill will not be introduced into the current session of Congress as any new legislation would be impossible to pass, but he is optimistic over the bill's future.
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.