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100 Years of Grand: The Grand Canyon Centennial Project


A digital archive celebrating the Centennial of the Grand Canyon National Park. A collaborative project of the Arizona State University Library, Cline Library, Northern Arizona University and the Grand Canyon National Park. Additional materials are available via the project website.


Letter from Carl Hayden to M. J. Riordan expressing his support for Coconino County in turning over the Bright Angel Trail to the federal government.

Contributors
Hayden, Carl T., Riordan, M. J.
Created Date
1924-03-25

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

Contributors
Hayden, Carl T., Riordan, M. J.
Created Date
1924-03-13

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

Contributors
Riordan, M. J., Hayden, Carl T.
Created Date
1924-03-17

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.

Contributors
Riordan, M. J., Hayden, Carl T.
Created Date
1924-03-07