Speech by Carl T. Hayden offering a motion to authorize a road an trail construction program in Grand Canyon National Park "to make these natural wonders accessible to the American people." The speech appears in the Congressional Record, 68th Congress, First Session.

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.

Letter from Stephen T. Mather to Carl T. Hayden thanking Hayden for his advice about visiting Arizona.

Script of a radio program titled, "Exploring America with Carveth Wells," published by the Conoco Travel Bureau. Circa 1932.

Description of traveling down Bright Angel Trail by donkey.