Letter from Carl Hayden to Stephen T. Mather regarding certain amendments to the national park bill. Rights regarding the Havasupai Tribe are mentioned.

Letter of introduction for Dwight B. Heard on the arrival of National Park Service Director Stephen T. Mather to Phoenix. Mather's visit includes trips to Roosevelt Dam and Tumacácori.

Letter from Carl Hayden to Stephen Mather regarding Coconino County's willingness to dispose of Bright Angel Trail as long as the funds acquired would go to building a road between Old Trails Highway at Maine to the Grand Canyon.

Letter from Carl Hayden to Stephen Mather regarding the sale of Bass properties.

Four letters of correspondence about the purchase of Bright Angel Trail between A. E. Demaray, Acting Director of the Grand Canyon National Park; E. C. Finney, Department of the Interior First Assistant Secretary; Carl T. Hayden, Representative (AZ); and Stephen T. Mather, Director of the National Park Service.

Letter from Arno B. Cammerer to Carl Hayden regarding the storage of dynamite in Shoski Canyon.

Various leaders ask Montezuma about the political status of the reservation and entreat him to protect their land and water rights.

Charles Dickens sends Montezuma news about the progress of farming at the McDowell Reservation, mentioning grain planting, the cleaning of irrigation ditches, and the family's health.

Letter to Montezuma from his friend Joshua Russell describing the farming conditions at Santan, Arizona, including irrigation water, crops of wheat, hay, corn and watermelon, and lack of fencing wire for allotted land.