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

Letter to Carl T. Hayden regarding a water-power bill in effect for the Grand Canyon.

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

Amendment to the national park bill granting the Secretary of the Interior permission to lease land not exceeding 100 acres.
 

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 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 suggesting a boundary amendment to the national park bill.

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.