Down the great unknown
Subtitle: John Wesley Powell's 1869 journey of discovery and tragedy through the Grand Canyon
By: Edward Dolnick.
Edition: 1st ed.
Publisher: HarperCollins
Published: 2001
Place of publication: New York
Language: eng
Number of pages: 367
Subjects: Powell, John Wesley, -- 1834-1902 -- Travel -- Arizona -- Grand Canyon; Explorers -- United States -- Biography; 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.     ) and index.