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.

Letter from J. E. Gavin to Louis C. Cramton regarding the Bright Angel Trail controversy, including newspaper clipping.

Letter from the Acting Director of the National Park to Carl Hayden assuring him that Superintendent Crosby had removed the dynamite nearby Grand Canyon Village and placed it in a safe location on the South Rim.

Letter from Jesse L. Boyce to Jack in which he refers to W. W. Crosby as a "damn carpetbagger" and his frustration at Crosby making him out to be a "liar."

Letter from Jesse L. Boyce to Jack regarding the storage of dynamite in Shoski Canyon.

Letter from J. E. Gavin on behalf of Carl Hayden writing in regards to the insurance claims filed with the National Park.

Letter from Miner Tillotson to Carl Hayden in regards to a request for two small blue spruce trees from the North Rim.

Letter from C. H. Gensler to Carl Hayden asking for a meeting in regards to the Havasupai pasture land in light of the national park bill.

Letter from Carl T. Hayden to Louis C. Cramton about potential prosecution of people with mining claims within park boundaries.