Letter from Stephen T. Mather to Carl Hayden with markup of bill S 390 for the proposed National Park.
Editoral attacking Senator Ralph Cameron for attempting to buy Bright Angel Trail.
Travel statistics for Grand Canyon National Park.
Rebuttal to the editoral published in the Coconino Sun attacking Ralph Cameron.
Letter from J. E. Gavin to Louis C. Cramton regarding the Bright Angel Trail controversy, including newspaper clipping.
Letter from Carl Hayden to Fred S. Breen regarding Yaki Point, the sale of Bright Angel Trail and the building of a road between Maine and the Grand Canyon.
Letter from Fred Breen to Carl Hayden regarding the sale of Bright Angel Trail.
Letter of introduction for Dwight B. Heard on the arrival of National Park Service Director Stephen T. Mather to Phoenix. Mather's visit includes trips to Roosevelt Dam and Tumacácori.
Letter from the Director of the National Park Service, Stephen T. Mather, to Jesse L. Boyce informing him that immediate action is being taken to remove the TNT from the Grand Canyon.