Photo of a man on a ladder and women in a window in a Romeo and Juliet type pose. Circa 1920.

Detailed map of Granite Gorge section of the Grand Canyon from the pamphlet titled, "Titan of Chasms: Grand Canyon of Arizona."

Letter from Carl T. Hayden to C. H. Gensler, Havasupai Indian Reservation, regarding Hualapai and Cataract Canyons geography.

Map of proposed addition to Grand Canyon National Park Boundaries. Circa 1932.

Map of Proposed Boundary Changes to Grand Canyon National Park.

Color map of the Grand Canyon National Park proposed boundaries with animal habitat zones identified for deer, mountain lion and mountain sheep.

Black and white print of man and woman sitting at an overlook.

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."

Black and white print of the south rim from Tuweep.

Black and white print of people riding mules down a trail. Circa 1940-1949.