Morrison, R.B., 1970, Geomorphic (landform) features of the Tucson-Ajo 2o x 1o area, Arizona (eastern half): Arizona Bureau of Geology and Mineral Technology Open-File Report 83-16, 2 sheets, scale 1:120,000.
Morrison, R.B., 1970, Geomorphic (landform) features of the Tucson-Ajo 2o x 1o area, Arizona (eastern half): Arizona Bureau of Geology and Mineral Technology Open-File Report 83-16, 2 sheets, scale 1:120,000.
Map, Geomorphology, Landscape Evolution, Surficial,