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- All Subjects: Tourism
- All Subjects: Havasupai Tribe of the Havasupai Reservation, Arizona
- All Subjects: South Kaibab Trail (Ariz.)
- All Subjects: Flora and fauna
- 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 Hayden to H. F. Robinson with attached notes from W. W. Bass and C. H. Gensler. Hayden solitices advice concerning the Havasupai Tribe needs for grazing and access to natural resources.
Letter from Harold Greene to Carl Hayden regarding the proposed boundaries for the national park bill.
Letter from Henry Graves to Carl T. Hayden regarding the land ownership and grazing rights of the Havasupai.
Letter from Carl T. Hayden to C. H. Gensler, Havasupai Indian Reservation, regarding Hualapai and Cataract Canyons geography.
Letter from C. H. Gensler, Havasupai Agency to Carl Hayden regarding boundary lines.
Letter from Alexander Vogelsang to Homer P. Snyder regarding land allocation for the Havasupai Tribe.
Travel statistics for Grand Canyon National Park.
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.