Matthes, F.E., and Evans, R.T., 1926, Map of Grand Canyon National Park: Military Engineer, v. 28, p. 188-201. Authors Matthes, F.E., and Evans, R.T. Publication Date 1926 Citation Military Engineer, v. 28, p. 188-201. State AZ Province CP County CN Keywords Areal More Keywords Areal, AzGeoBib RefNum 6511
