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.
Filtering by
- All Subjects: Mining
- All Subjects: Tuweep (Ariz.)
- All Subjects: Cramton, Louis Convers, 1875-1966
View downstream from Toroweap Point, silver gelatin print.
View from Toroweap Point, silver gelatin print.
Vulcan's Throne near Toroweap Point, silver gelatin print.
Letter from J. E. Gavin to Louis C. Cramton regarding the Bright Angel Trail controversy, including newspaper clipping.
Letter from George Otis Smith, U.S. Geological Survey to Carl Hayden regarding asbestos mining prospects in the Grand Canyon.
Letter from Carl Hayden to George Otis Smith asking his advice regarding the mining of asbestos deposits in the Grand Canyon.
Letter from George Otis Smith to Carl Hayden regarding mining rights in the Grand Canyon.