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 George Otis Smith, U.S. Geological Survey to Carl Hayden regarding asbestos mining prospects in the Grand Canyon.
Letter from W. W. Bass to Carl Hayden regarding the right to his property.
Letter from Carl T. Hayden to C. H. Gensler, Havasupai Indian Reservation, regarding Hualapai and Cataract Canyons geography.
Letter from C. H. Gensler, Havasupai Agency to Carl Hayden regarding boundary lines.
Amendments to the bill establishing the Grand Canyon a National Monument. Circa 1908.
Letter from Alexander Vogelsang to Homer P. Snyder regarding land allocation for the Havasupai Tribe.
Letter from Paul M. Roca to Ray E. Carr on behalf of Carl Hayden politely declining his invitation.
Letter from Ray E. Carr to Carl Hayden with an invitation to celebrate the crossing of L.D.S. pioneers at Lee's Ferry.
Letter to Carl Hayden, possibly from Jack E. Gavin, detailing a trip to Flagstaff and Winslow to gauge his political popularity. Several mentions of his opponent Senator Ralph T. Cameron.