Filtering by
- All Subjects: Eakin, John Ross, 1879-1946
- All Subjects: Demaray, Arthur Edward, 1887-1958
- All Subjects: Smith, George Otis, 1871-1944
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
Letter from George Otis Smith to Carl Hayden regarding mining rights in the Grand Canyon.
Letter from Carl Hayden to George Otis Smith asking his advice regarding the mining of asbestos deposits in the Grand Canyon.
Letter from George Otis Smith, U.S. Geological Survey to Carl Hayden regarding asbestos mining prospects in the Grand Canyon.
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 Carl Hayden to A. E. Demaray enclosing Ed Hamilton's complaint regarding 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 Arthur E. Demaray to Carl Hayden regarding insurance claims submitted by three men who lost property due to a fire in government-owned apartments.