Filtering by
- All Subjects: Eakin, John Ross, 1879-1946
- All Subjects: Demaray, Arthur Edward, 1887-1958
- All Subjects: Cammerer, Arno Berthold, 1883-1941
- All Subjects: Insurance claims
- All Subjects: Brodie, Alexander Oswald, 1849-1918
- All Subjects: Water-power
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
Letter from A. E. Demaray to Carl Hayden regarding the storage of dynamite in Shoski Canyon.
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.
Travel statistics for Grand Canyon National Park.
Letter to Carl T. Hayden regarding a water-power bill in effect for the Grand Canyon.
Letter from Bernie Zachau to Carl Hayden regarding water power in the Grand Canyon.
Letter from Joseph J. Cotter to Carl Hayden regarding the use of water power and summer homes in the proposed park boundaries.
Letter from Carl Hayden to Arno B. Cammerer asking for the insurance claims of Roy James and M. J. Hanley to be investigated.
Letter from A. E. Demaray to Carl Hayden informing him that the Secretary of the Interior will not reimburse Roy James and M. J. Hanley.
Letter from Carl Hayden to A. E. Demaray on behalf of Roy James and M. J. Hanley asking if reimbursment could be granted without the need of special legislation.