Letter from M. J. Riordan to Carl Hayden expressing his opposition to the federal government's takeover of Bright Angel Trail.

Black and white print of five women and one man riding mules on the Bright Angel Trail. A wooden sign next to the trail says, "Photo by Kolb Bros." Handwritten annotation, "Annie Goodenough on Bright Angel Trail."

Letter from E. O. Patterson to Secretary of the Interior on automobile fees in the park.

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.