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- All Subjects: Hunt, George Wylie Paul, 1859-1934
- All Subjects: Automobiles
- All Subjects: Ashurst, Henry Fountain, 1874-1962
- All Subjects: Carl T. Hayden Photographs
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
Letter from Carl Hayden to George W. P. Hunt outlining the proposed national park boundaries and the cost of a township if the state of Arizona decided to acquire one on the rim of the Grand Canyon.
Letter from Governor George W. P. Hunt to Calvin Coolidge arguing for more autonomy in Arizona state matters.
Letter from Stephen Mather to Carl T. Hayden regarding automobile regulations within Grand Canyon National Park.
Letter from Stephen T. Mather to Carl T. Hayden advocating for a reduction in automobile fees for the South Rim entrance.
Letter describing three enclosures, a letter from F. M. Gold, Carl T. Hayden's reply to Gold's letter, and a copy of a bill introduced by Cameron.
Black and white, silver gelatin print with some silvering. Circa 1930.
Letter from Ralph H. Cameron to Carl Hayden requesting a delay on the introduction of the Grand Canyon bill until he can meet with himself and Senator Ashurst in Washington.