Breed and Roat 1974
William Breed and Eveln Roat. Geology of the Grand Canyon. Flagstaff: Museum of Northern Arizona, 1974.
Record last updated January 21, 2020. Please note that the information on this and all pages is periodically reviewed and subject to change.
Citation: Petersen, Alan. Literature: Breed and Roat 1974. Gunnar Widforss Catalogue Raisonné Project. https://www.gunnarwidforss.org/literature/entry.php?id=52 (accessed on December 3, 2021).