The Romance of the Colorado River : The Story of its Discovery in 1840, with an Account of the Later Explorations, and with Special Reference to the Voyages of Powell through the Line of the Great Canyons [electronic resource] /
Frederick Samuel Dellenbaugh
- Project Gutenberg, 2003
- Project Gutenberg 4316 .
Public domain in the USA.
Electronic text
Grand Canyon (Ariz.) -- Description and travel Grand Canyon (Ariz.) -- Discovery and exploration Colorado River (Colo.-Mexico) -- Description and travel Colorado River (Colo.-Mexico) -- Discovery and exploration Colorado River Valley (Colo.-Mexico) -- Description and travel Colorado River Valley (Colo.-Mexico) -- Discovery and exploration Powell, John Wesley, 1834-1902