(028119) Dolnick, Edward. Down The Great Unknown: John Wesley Powell's 1869 Journey Of Discovery And Tragedy Through The Grand Canyon. New York: HarperCollins, 2001. 2nd Printing. Hardcover. 8vo. 367 pages. Near Fine in VG+ DJ. B&W Photographs. Two small clear waterstains on the wrap-around, not affecting book. DJ is a 1/2 size wrap-around. Binding is thick glossy pictorial boards ISBN: 006019619X (Powell, John Wesley, Grand Canyon, Colorado River, Explorers, Arizona)
