Filtering by
- All Subjects: Eakin, John Ross, 1879-1946
- All Subjects: Cammerer, Arno Berthold, 1883-1941
- All Subjects: Flora and fauna
- All Subjects: Ashurst, Henry Fountain, 1874-1962
- All Subjects: United States. Congress. Senate
- All Subjects: Phantom Ranch (Ariz.)
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
Letter from Arno B. Cammerer to Carl Hayden regarding the storage of dynamite in Shoski Canyon.
Press release comparing visitor attendance to the park by year. A 26 percent increase from 1923 to 1924 is noted.
Press release on the increase in wildlife in the Grand Canyon including mountain sheep, deer, and the Abert Squirrel.
Travel statistics for Grand Canyon National Park.
Letter from Arno B. Cammerer to Carl Hayden reiterating the safe nature of the dynamite storage.
Letter from Arno B. Cammerer to Carl Hayden supporting Superintendent Crosby's stance that there is no need to remove the dynamite stored near Grand Canyon Village.
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.