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- All Subjects: Flora and fauna
- All Subjects: Ashurst, Henry Fountain, 1874-1962
- All Subjects: Carl T. Hayden Photographs
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
Press release on the increase in wildlife in the Grand Canyon including mountain sheep, deer, and the Abert Squirrel.
Letter describing three enclosures, a letter from F. M. Gold, Carl T. Hayden's reply to Gold's letter, and a copy of a bill introduced by Cameron.
Black and white, silver gelatin print with some silvering. Circa 1930.
Typescript report, black and white, describing the mammals of Grand Canyon National Park with cover drawing of a bighorn sheep.
Typescript report, black and white, describing the birds of Grand Canyon National Park with cover drawing of a bald eagle.
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.