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- All Subjects: Flora and fauna
- All Subjects: Geography
- All Subjects: Cattle
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
- Status: Published
Detailed map of Granite Gorge section of the Grand Canyon from the pamphlet titled, "Titan of Chasms: Grand Canyon of Arizona."
Letter from Carl T. Hayden to C. H. Gensler, Havasupai Indian Reservation, regarding Hualapai and Cataract Canyons geography.
Press release on the increase in wildlife in the Grand Canyon including mountain sheep, deer, and the Abert Squirrel.
Letter from Herbert Babbitt to Carl T. Hayden about grazing cattle in the park boundaries.
Letter (copy) from J. R. Eakin to Arthur C. Ringland about the alignment of 40 acres near the Buggeln ranch.
Letter from J. R. Eakin to Arthur C. Ringland about the alignment of 40 acres near the Buggeln ranch.
Typescript report, black and white, describing the mammals of Grand Canyon National Park with cover drawing of a bighorn sheep.