Filtering by
- All Subjects: Bass, William Wallace, 1849-1933
- All Subjects: Havasupai Tribe of the Havasupai Reservation, Arizona
- All Subjects: Panoramic photograph
- All Subjects: Insurance claims
- All Subjects: Map
- All Subjects: Water-power
- 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 Alexander Vogelsang to Homer P. Snyder regarding land allocation for the Havasupai Tribe.
Letter from C. H. Gensler, Havasupai Agency to Carl Hayden regarding boundary lines.
Letter from Carl T. Hayden to C. H. Gensler, Havasupai Indian Reservation, regarding Hualapai and Cataract Canyons geography.
Letter from W. W. Bass to Carl Hayden regarding the right to his property.
Letter from W. W. Bass to Harry Welch protesting the proposed national park bill.
Letter to Carl T. Hayden regarding a water-power bill in effect for the Grand Canyon.
Letter from Henry Graves to Carl T. Hayden regarding the land ownership and grazing rights of the Havasupai.
Letter from Bernie Zachau to Carl Hayden regarding water power in the Grand Canyon.
Letter from Joseph J. Cotter to Carl Hayden regarding the use of water power and summer homes in the proposed park boundaries.