In the footsteps of John Wesley Powell : an album of comparative photographs of the Green and Colorado rivers, 1871-72 and 1968 /

Bibliographic Details
Main Author:	Stephens, Hal G., 1917-
Other Authors:	Shoemaker, E. M. (Eugene Merle), 1928-1997, Powell, John Wesley, 1834-1902
Format:	Book
Language:	English
Published:	Boulder : Denver : Johnson Books ; Powell Society, [1987]
Subjects:	Colorado River (Colo.-Mexico) > Pictorial works. Grand Canyon (Ariz.) > Pictorial works. United States > Discovery and exploration > Pictorial works. Powell, John Wesley, > 1834-1902 > Travel > Colorado River (Colo.-Mexico) > Pictorial works.

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