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.

Concerning Waterhouse's painting the "Belle Dame" having been selected for an exhibition, his thanks to Woodiwiss for the photographs he sent, Waterhouse's painting of Mrs. Newton Robinson, and his trip to Switzerland.

Concerning Waterhouse's return from Switzerland, his receipt of the photographs of the "Belle Dame" painting sent to him by Woodiwiss, and his request for Woodiwiss to write to Dixon to send Waterhouse more than one print.

Concerning Waterhouse's trip to Switzerland, his intentions to sign photographs of the "Belle Dame" once he returns, and his hope that the etching of the "Belle Dame" will turn out well.