Filtering by
- All Subjects: Grand Canyon National Park (Ariz.)
- All Subjects: Flagstaff (Ariz.)
- All Subjects: Heard, Dwight Bancroft, 1869-1929
- Creators: Hayden, Carl T.
- Creators: Gavin, J. E.
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 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 J. E. Gavin to Jesse L. Boyce regarding the TNT storage in the Grand Canyon. Gavin states that although acting director Arno B. Cammerer is confident in Superintendent Crosby's report concerning the legitimacy of the storage, he will continue to investigate the matter to ensure public safety.
Letter from Carl Hayden to Arno B. Cammerer on behalf of Jesse L. Boyce's complaint. Hayden states that Boyce believes Crosby's report to be inaccurate and an underestimation of the danger of the stored explosives.
Letter from Carl Hayden to Bankhead and Henderson informing the company that their sheep can continue to graze inside the national park boundaries for the year 1923 as long as they obey the permit rules. Hayden issues a warning that at a certain point no cattle or sheep will be allowed to graze inside the park.
Letter from Carl Hayden to George Kimball regarding the grazing rights of Bankhead and Henderson.
Letter from Carl Hayden to George C. Bolton on behalf of Bankhead and Henderson in regards to their sheep grazing permit.
Letter from Carl Hayden to Horace M. Albright regarding the grazing rights of Bankhead and Henderson.