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

Letter from Sanford Rowe and W. W. Bass to Carl Hayden requesting a re-examination on the proposed park boundaries as they are disadvantageous to current land owners surrounding the canyon.

Letter from W. W. Bass to Carl Hayden on the proposed park boundaries which he deems 'outrageous' and the effect such a bill could have on Hayden's reelection chances.

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 Carl Hayden to A. E. Demaray enclosing Ed Hamilton's complaint regarding the road between Grand Canyon Village and Rowe's Well.

Letter from A. E. Demaray to Carl Hayden with Superintendent Tillotson's report on the road between Grand Canyon Village and Rowe's Well.

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

Letter from Arthur E. Demaray to Carl Hayden regarding insurance claims submitted by three men who lost property due to a fire in government-owned apartments.