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- All Subjects: Colorado River (Colo.-Mexico)
- All Subjects: Automobiles
- Member of: 100 Years of Grand: The Grand Canyon Centennial Project
Letter of introduction for Dwight B. Heard on the arrival of National Park Service Director Stephen T. Mather to Phoenix. Mather's visit includes trips to Roosevelt Dam and Tumacácori.
Letter from Dwight B. Heard, president and publisher of The Arizona Republican, to Carl T. Hayden about a visit by Stephen Mather.
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.
Description of the Grand Cañon of the Colorado after the opening of the stage-line from Flagstaff.
Sepia stereo card of a man sitting on a rock with printed annotation, "(12) Down the Granite Gorge of the Colorado (1,200 feet deep) from Peritese Point, Grand Canyon of Arizona. Copyright 1903 by Underwood & Underwood."