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- All Subjects: Bass, William Wallace, 1849-1933
- All Subjects: Panoramic photograph
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- 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 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 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.
Letter from Carl Hayden to W. W. Bass informing him of the favorable opinion towards a national park bill.
Letter from Carl Hayden to W. W. Bass soliciting his opinion on the proposed national park bill.
Letter from Carl Hayden to Arno B. Cammerer asking for the insurance claims of Roy James and M. J. Hanley to be investigated.
Letter from A. E. Demaray to Carl Hayden informing him that the Secretary of the Interior will not reimburse Roy James and M. J. Hanley.