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- All Subjects: Eakin, John Ross, 1879-1946
- All Subjects: Tillotson, Miner Raymond, 1886-1955
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
Travel statistics for Grand Canyon National Park.
Press release comparing visitor attendance to the park by year. A 26 percent increase from 1923 to 1924 is noted.
Letter from Ed Hamilton to Carl Hayden outlining his opposition to Superintendent Tillotson's report on the road between Grand Canyon Village and Rowe's Well.
Letter from A. E. Demaray to Carl Hayden with Superintendent Tillotson's report on the road between Grand Canyon Village and Rowe's Well.
Letter from Carl Hayden to Ed Hamilton informing him that Superintendent Tillotson will submit a report on the conditions of the road between Grand Canyon Village and Rowe's Well.
Letter from Arno B. Cammerer to Carl Hayden informing him that Superintendent Tillotson will submit a report on the conditions of the road between Grand Canyon Village and Rowe's Well.
Letter from C. D. Dawson to Carl Hayden urging him to consider the rights of miners and farmers when drawing up the boundaries for the proposed park.
Letter from Carl T. Hayden to J. R. Eakin regarding changes to the Grand Canyon National Park boundaries and the purchase of lands from William Randolph Hearst.