A canyon voyage
Subtitle: the narrative of the second Powell expedition down the Green-Colorado River from Wyoming, and the explorations on land, in the years 1871 and 1872.
Publisher: Yale University Press
Published: 1962
Place of publication: New Haven
Language: eng
Number of pages: 277
Subjects: Powell, John Wesley, -- 1834-1902.; Colorado River (Colo.-Mexico); Grand Canyon (Ariz.).; United States -- Discovery and exploration.