The exploration of the Colorado River and its canyons - Powell, John Wesley, 1834-1902. (New York : Penguin Books, 2003)
Originally published: Report on the exploration of the Colorado River of the West and its tributaries. Washington : Govt. Print. Off., 1875.
Keywords: Powell, John Wesley, -- 1834-1902 -- Travel -- Colorado River (Colo.-Mexico); Powell, John Wesley, -- 1834-1902 -- Travel -- Colorado, Fleuve (Col.-Mexique); Canyons -- Colorado River (Colo.-Mexico) -- History -- 19th century; Colorado River (Colo.-Mexico) -- Description and travel; Colorado River (Colo.-Mexico) -- Discovery and exploration; Southwest, New -- Description and travel; Southwest, New -- Discovery and exploration