Filtering by
- All Subjects: Hayden, Carl Trumbull, 1877-1972
- All Subjects: Eakin, John Ross, 1879-1946
- All Subjects: Campbell, Gilbert Alan, 1906-1985
- All Subjects: Homestead law
- 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.
Letter from R.P Gilliland to Carl Hayden regarding the sale of Bright Angel Trail (Ariz.) and construction of the President's Highway from Maine, AZ, to the Grand Canyon.
Letter from Carl Hayden to R.P Gilliland regarding the sale of Bright Angel Trail (Ariz.) and construction of the President's Highway from Maine, AZ to the Grand Canyon.
Press release comparing visitor attendance to the park by year. A 26 percent increase from 1923 to 1924 is noted.
Letter from Fred Breen to Carl Hayden regarding the sale of Bright Angel Trail.
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.
Travel statistics for Grand Canyon National Park.
Letter from Fred Harvey to Senator Carl Hayden on the diary of Padre Francisco Garcés and his entry on July 4, 1776.