Letter from Michael J. Reardon to Carl T. Hayden, in agreement with Ralph Cameron, asserting that Bright Angel Trail should not be sold from Coconino County to the United States.

Letter from Carl T. Hayden to Michael J. Riordan explaining the benefits of selling Bright Angel Trail and building an approach road.

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

Black and white print of the south rim from Tuweep.

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 man and woman sitting at an overlook.

Black and white print overlooking the canyon with clouds below the canyon's highest elevations. Circa 1940-1949.

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