Letter from Mrs. B. F. Gavin to Stephen Mather regarding the sale of Bass properties to the Santa Fe Railroad Company.

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

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

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

Letter from A. F. Potter to John H. Page referring his request to build a railway to the District Forester at Albuquerque, New Mexico.

Letter from John H. Page regarding his right to build a railway between Grand Canyon Station and the Canyon Copper Company's mines and hotel.

Letter from Gifford Pinchot to John H. Page denying his request to build a railway on the rim of the Grand Canyon for the Canyon Copper Company.

Letter from John H. Page to Carl T. Hayden regarding his company's rights to build a railway if they choose to.