Ives, R.L., 1968, The enigma of the Colorado: Geographical Review, v. 58, p. 296-297. Authors Ives, R.L. Publication Date 1968 Citation Geographical Review, v. 58, p. 296-297. State AZ Province CP TR BR County CN MO LP YU Placenames Marble Canyon Lake Mead area Keywords Areal Structure Stratigraphy More Keywords Areal, Structure, Stratigraphy, AzGeoBib RefNum 4850