Filtering by
- All Subjects: Flora and fauna
- All Subjects: Cramton, Louis Convers, 1875-1966
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
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Press release on the increase in wildlife in the Grand Canyon including mountain sheep, deer, and the Abert Squirrel.
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Letter from J. E. Gavin to Louis C. Cramton regarding the Bright Angel Trail controversy, including newspaper clipping.
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Letter from Carl T. Hayden to Louis C. Cramton about potential prosecution of people with mining claims within park boundaries.
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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.
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Typescript report, black and white, describing the birds of Grand Canyon National Park with cover drawing of a bald eagle.
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Typescript report, black and white, describing the mammals of Grand Canyon National Park with cover drawing of a bighorn sheep.
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