Letter from Carl Hayden to M. J. Riordan expressing his support for Coconino County in turning over the Bright Angel Trail to the federal government.

Letter from Carl Hayden to Stephen Mather regarding Coconino County's willingness to dispose of Bright Angel Trail as long as the funds acquired would go to building a road between Old Trails Highway at Maine to the Grand Canyon.

Letter from Carl Hayden to Stephen Mather regarding the sale of Bass properties to the Santa Fe Railroad Company.

Letter from Carl Hayden to Stephen Mather requesting that congress pay W. W. Bass the sum of twenty-five thousand dollars for his properties.