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- All Subjects: Cataract Canyon (Wayne County-San Juan County, Utah)
- All Subjects: Mather, Stephen Tyng, 1867-1931
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
- Status: Published
Letter from Harold Greene to Carl Hayden regarding the proposed boundaries for the national park bill.
Letter from Carl T. Hayden to C. H. Gensler, Havasupai Indian Reservation, regarding Hualapai and Cataract Canyons geography.
Amendments to the bill establishing the Grand Canyon a National Monument. Circa 1908.
Letter from Carl Hayden to Stephen Mather requesting that congress pay W. W. Bass the sum of twenty-five thousand dollars for his properties.
Letter from Mrs. B. F. Gavin to Stephen Mather regarding the sale of Bass properties to the Santa Fe Railroad Company.
Letter from Stephen Mather to Carl Hayden regarding the sale of Bass properties to the Santa Fe Railroad Company.
Letter from Carl Hayden to Stephen Mather regarding the sale of Bass properties to the Santa Fe Railroad Company.
Letter from Carl Hayden to Hugh E. Campbell with an enclosed outline map of the proposed boundaries of Grand Canyon National Park.