Johnson, D.W., 1909, A geological excursion in the Grand Canon district: Boston Society of Natural History Proceedings, v. 34, no. 6, p. 135-161. Authors Johnson, D.W. Publication Date 1909 Citation Boston Society of Natural History Proceedings, v. 34, no. 6, p. 135-161. State AZ Province CP TR County CN MO Keywords Areal Structure Stratigraphy More Keywords Areal, Structure, Stratigraphy, AzGeoBib RefNum 4967