Letter from Sanford Rowe and W. W. Bass to Carl Hayden requesting a re-examination on the proposed park boundaries as they are disadvantageous to current land owners surrounding the canyon.

Letter from W. W. Bass to Carl Hayden on the proposed park boundaries which he deems 'outrageous' and the effect such a bill could have on Hayden's reelection chances.

Letter from C. D. Dawson to Carl Hayden urging him to consider the rights of miners and farmers when drawing up the boundaries for the proposed park.

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.