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- All Subjects: Grand Canyon National Park (Ariz.)
- All Subjects: Advertisements
- All Subjects: Edwards, John Homer, 1869-1945
- Creators: United States Department of the Interior
- Creators: Borkan, Ronald E.
- Creators: Dixon, Maynard
- Creators: Edwards, John H.
- Creators: Ringland, Arthur
Letter from Arthur Ringland to Carl Hayden about road alignment survey through the Buggeln ranch.
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.
Typescript report, black and white, describing the mammals of Grand Canyon National Park with cover drawing of a bighorn sheep.
Bulletin describing a radio broadcast of a sightseeing plane trip over the Grand Canyon. Cover art by Maynard Dixon (1875-1946).
Cooperative National Park Resources Studies Unit for University of Arizona, effects on Glen Canyon Dam releases on Grand Canyon River trips, a technical report, vol. no. 16.