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- All Subjects: United States. Congress
- All Subjects: Cameron, Ralph Henry, 1863-1953
- All Subjects: Dynamite
- All Subjects: South Kaibab Trail (Ariz.)
- All Subjects: Geography
- All Subjects: Ashurst, Henry Fountain, 1874-1962
- 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 Ed Hamilton to Carl Hayden regarding the storage of dynamite in Shoski Canyon.
Letter from A. E. Demaray to Carl Hayden regarding the storage of dynamite in Shoski Canyon.
Letter from Arno B. Cammerer to Carl Hayden regarding the storage of dynamite in Shoski Canyon.
Speech by Carl T. Hayden offering a motion to authorize a road an trail construction program in Grand Canyon National Park "to make these natural wonders accessible to the American people." The speech appears in the Congressional Record, 68th Congress, First Session.
Letter from Fred Breen to Carl Hayden regarding the sale of Bright Angel Trail.
Letter from Carl Hayden to Fred S. Breen regarding Yaki Point, the sale of Bright Angel Trail and the building of a road between Maine and the Grand Canyon.
Letter from J. E. Gavin to Louis C. Cramton regarding the Bright Angel Trail controversy, including newspaper clipping.
Rebuttal to the editoral published in the Coconino Sun attacking Ralph Cameron.
Editoral attacking Senator Ralph Cameron for attempting to buy Bright Angel Trail.