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 Carl Hayden to Stephen Mather regarding the sale of Bass properties to the Santa Fe Railroad Company.

Letter from Carl Hayden to L. H. McEllherren detailing the funeral of Hon. M. P. Kinkaid, Chairman of the Committee on Irrigation of Arid Lands as well as Hayden's travel plans for the summer.

Letter from Carl Hayden to Ralph H. Cameron responding favorably to a request to meet in regards to the bill granting National Park status to the Grand Canyon.