Letter from Dwight B. Heard, president and publisher of The Arizona Republican, to Carl T. Hayden about a visit by Stephen Mather.

Letter from A. E. Demaray to Carl Hayden regarding travel plans for Stephen Mather to the park.

Letter from A. E. Demaray to Carl T. Hayden regarding a negative newspaper article about the National Park Service and Stephen Mather.

Four letters of correspondence about the purchase of Bright Angel Trail between A. E. Demaray, Acting Director of the Grand Canyon National Park; E. C. Finney, Department of the Interior First Assistant Secretary; Carl T. Hayden, Representative (AZ); and Stephen T. Mather, Director of the National Park Service.