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- All Subjects: Railroad
- All Subjects: South Kaibab Trail (Ariz.)
- All Subjects: Flora and fauna
- All Subjects: Ashurst, Henry Fountain, 1874-1962
- All Subjects: Brodie, Alexander Oswald, 1849-1918
- All Subjects: Phantom Ranch (Ariz.)
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
Press release on the increase in wildlife in the Grand Canyon including mountain sheep, deer, and the Abert Squirrel.
Travel statistics for Grand Canyon National Park.
Letter from A. F. Potter to Carl T. Hayden describing John H. Page's request to build a railway for the Canyon Copper Company as "impractical."
Letter from A. F. Potter to John H. Page referring his request to build a railway to the District Forester at Albuquerque, New Mexico.
Letter from John H. Page regarding his right to build a railway between Grand Canyon Station and the Canyon Copper Company's mines and hotel.
Letter from Gifford Pinchot to John H. Page denying his request to build a railway on the rim of the Grand Canyon for the Canyon Copper Company.
Letter from John H. Page to Carl T. Hayden regarding his company's rights to build a railway if they choose to.
Letter from Joseph J. Cotter to Carl Hayden providing a rebuttal to W. W. Bass' objections to the Grand Canyon National Park Bill.