Letter from Stephen T. Mather to Carl Hayden with markup of bill S 390 for the proposed National Park.

Letter from Stephen T. Mather to Carl Hayden regarding amendments to the national park bill including Mather's approval of the Secretary of the Interior granting railroads rights of way.

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 Arno B. Cammerer enclosing Ed Hamilton's request for the road between Grand Canyon Village and Rowe's Well to be updated.

Letter from Carl Hayden to Ed Hamilton informing him that Superintendent Tillotson will submit a report on the conditions of the road between Grand Canyon Village and Rowe's Well.

Letter from Carl Hayden to Ed Hamilton explaining that although there are currently no funds to improve the road between Grand Canyon Village and Rowe's Well, it will be taken into consideration when funding does become available.

Letter from Carl Hayden to A. E. Demaray enclosing Ed Hamilton's complaint regarding the road between Grand Canyon Village and Rowe's Well.

Letter from Carl Hayden to Ed Hamilton expressing regret that he cannot do more to secure funds for the road between Grand Canyon Village and Rowe's Well.

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.