Burkhart, C.J., 1975, Canyon country: Profile of the ages: National Parks and Conservation Magazine, v. 49, p. 4-8. Authors Burkhart, C.J. Publication Date 1975 Citation National Parks and Conservation Magazine, v. 49, p. 4-8. State AZ Province CP TR County CN MO Keywords Areal More Keywords Areal, AzGeoBib RefNum 1491
