Wallace, Robert The grand canyon / by Robert Wallace and the editors of Time-Life Books ; with photographs by Ernst Haas. - Time-Life, 1979. Amsterdam : - 814 p (VHS) : sd., col. ; 1/2 in. viewing copy. - World's wild places. . Reference source used: copyright data sheet. ISBN: 705400913 Subjects--Topical Terms: Grand Canyon Dewey Class. No.: 914.2 / WAG 1979