Frederick Samuel Dellenbaugh
A Canyon Voyage
Frederick Samuel Dellenbaugh · 2007
Public domain, Project Gutenberg. No sign-up.
Colorado River (Colo.-Mexico)Grand Canyon (Ariz.)United States -- Discovery and explorationPowell, John Wesley, 1834-1902
Frederick Samuel Dellenbaugh · 2007
Public domain, Project Gutenberg. No sign-up.