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 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.

Letter from Carl T. Hayden to Michael J. Riordan explaining the benefits of selling Bright Angel Trail and building an approach road.

Letter from Carl T. Hayden to Louis C. Cramton about potential prosecution of people with mining claims within park boundaries.

Letter from Carl Hayden to F. M. Gold about the purchase of Bright Angel Trail.

Letter describing three enclosures, a letter from F. M. Gold, Carl T. Hayden's reply to Gold's letter, and a copy of a bill introduced by Cameron.