Sturdevant, G.E., 1927, Formations exposed at the Grand Canyon: Grand Canyon Nature Notes, v. 2, p. 2-4. Authors Sturdevant, G.E. Publication Date 1927 Citation Grand Canyon Nature Notes, v. 2, p. 2-4. State AZ Province CP TR County CN MO Placenames Marble Canyon Keywords Stratigraphy More Keywords Stratigraphy, AzGeoBib RefNum 9866