Wallace, Robert.
The Grand Canyon / by Robert Wallace and the editors of Time-Life Books. With photos. by Ernst Haas. - New York : Time-Life, 1972. - 184 p. : ill., maps. - The American wilderness .
Includes bibliographical references.
71179463
Grand Canyon (Ariz.)
508.791
The Grand Canyon / by Robert Wallace and the editors of Time-Life Books. With photos. by Ernst Haas. - New York : Time-Life, 1972. - 184 p. : ill., maps. - The American wilderness .
Includes bibliographical references.
71179463
Grand Canyon (Ariz.)
508.791