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- All Subjects: Grand Canyon National Park (Ariz.)
- All Subjects: Trails
- All Subjects: Cameras
- All Subjects: Conservation
- Creators: United States Department of the Interior
- Creators: Flagstaff Urban Trails System Ad Hoc Committee
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.
A report by a committee, members of which were appointed by the Flagstaff City Council to study and make recommendations on establishing an urban trails system for Flagstaff. Issues addressed include which properties (public or private) should be included in the system, funding sources, maintenance and promotion of the system, refinement of existing urban trails plans, and coordination with other trail systems in the area.