Down the great unknown
Subtitle: John Wesley Powell's 1869 journey of discovery and tragedy through the Grand Canyon
By: Edward Dolnick.
Series: Thorndike Press large print American history series
Publisher: Thorndike Press
Published: 2002
Place of publication: Waterville, Me
Language: eng
Number of pages: 751
Subjects: Powell, John Wesley, 1834-1902 -- Travel -- Arizona -- Grand Canyon.; Explorers -- United States -- Biography.; Large type books.; Grand Canyon (Ariz.) -- Discovery and exploration.; Grand Canyon (Ariz.) -- Description and travel.; Colorado River (Colo.-Mexico) -- Discovery and exploration.
Genres: Biography.
Notes: Includes bibliographical references (p. 721-747).
Originally published: New York : HarperCollins, c2001.