Letter from Carl Hayden to H. F. Robinson with attached notes from W. W. Bass and C. H. Gensler. Hayden solitices advice concerning the Havasupai Tribe needs for grazing and access to natural resources.

Letter from Carl Hayden to L. S. Williams informing the Saginaw and Manistee Lumber Company that a bill extending the timber cutting rights in the Canyon did not pass in Congress.

Letter from Carl Hayden to Harold Greene regarding the progress of the national park bill.

Letter from Carl Hayden to Bernie Zachau regarding the national park bill with an enclosed copy of the National Park Service Act.

Letter from Carl Hayden to Joseph J. Cotter regarding suggestions on the proposed national park bill.

Letter from Carl Hayden to George W. P. Hunt outlining the proposed national park boundaries and the cost of a township if the state of Arizona decided to acquire one on the rim of the Grand Canyon.

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 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 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 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.