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- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: United States National Park Service
- Creators: Tillotson, Miner Raymond
- Resource Type: Text
Press release on the increase in wildlife in the Grand Canyon including mountain sheep, deer, and the Abert Squirrel.
Press release comparing visitor attendance to the park by year. A 26 percent increase from 1923 to 1924 is noted.
Letter from Miner Tillotson to Carl Hayden in regards to a request for two small blue spruce trees from the North Rim.
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.