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- All Subjects: South Kaibab Trail (Ariz.)
- All Subjects: Flora and fauna
- All Subjects: Hunt, George Wylie Paul, 1859-1934
- All Subjects: Map
- All Subjects: Hearst, William Randolph, 1863-1951
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
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 George W. P. Hunt outlining the proposed national park boundaries and the cost of a township if the state of Arizona decided to acquire one on the rim of the Grand Canyon.
Press release on the increase in wildlife in the Grand Canyon including mountain sheep, deer, and the Abert Squirrel.
Letter from Governor George W. P. Hunt to Calvin Coolidge arguing for more autonomy in Arizona state matters.
Letter from L. J. O'Reilly to Carl Hayden on behalf of William Randolph Hearst regarding his land ownership within the proposed Grand Canyon boundaries.
Letter from Carl Hayden to John H. Page asking his opinion on the proposed national park bill. W.R. Hearst's name and property rights are mentioned.
Letter from Carl T. Hayden to J. R. Eakin regarding changes to the Grand Canyon National Park boundaries and the purchase of lands from William Randolph Hearst.