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 John Page to Carl Hayden concerning the future of property ownership within the proposed boundaries of the national park.

Letter from L. S. Williams to Carl Hayden suggesting a boundary amendment to the national park bill.

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 L. S. Williams to Carl Hayden stating there should be no objection to Saginaw and Manistee Lumber Company having their timber contract extended as it is greatly favored.

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

Letter from Harold Greene to Carl Hayden regarding the proposed boundaries for 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 Joseph J. Cotter to Carl Hayden regarding the use of water power and summer homes in the proposed park boundaries.

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