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- All Subjects: Eakin, John Ross, 1879-1946
- All Subjects: Fire
- All Subjects: Cataract Canyon (Wayne County-San Juan County, Utah)
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
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.
Amendments to the bill establishing the Grand Canyon a National Monument. Circa 1908.
Letter from Carl T. Hayden to C. H. Gensler, Havasupai Indian Reservation, regarding Hualapai and Cataract Canyons geography.
Letter from Harold Greene to Carl Hayden regarding the proposed boundaries for the national park bill.
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.
Letter from Arno B. Cammerer to Carl Hayden updating him in regards to the insurance claims by Roy James and M.J. Hanley.
Letter from Carl Hayden to Hugh E. Campbell with an enclosed outline map of the proposed boundaries of Grand Canyon National Park.