00761cam a2200217 4500 243213370 TxAuBib 20001101120000.0 720503s1972||||||||||||||||||||||||eng|u TxAuBib Wallace, Robert, 1919- The Grand Canyon [BOOK] / by Robert Wallace and the editors of Time-Life Books. With photos. by Ernst Haas. New York : Time-Life Books, [1972] 184 p : illus. (part col.) ; 27 cm. American wilderness, The Bibliography: p. 180. 20001101. Grand Canyon (Ariz.) Time-Life Books. The American wilderness.