Morrison, R.B., 1984, Late Pliocene and Quaternary geology, Ajo quadrangle: Arizona Bureau of Geology and Mineral Technology Open-File Report 84-01, 6 p., 1 sheet, scale 1:250,000.
Morrison, R.B., 1984, Late Pliocene and Quaternary geology, Ajo quadrangle: Arizona Bureau of Geology and Mineral Technology Open-File Report 84-01, 6 p., 1 sheet, scale 1:250,000.
Map, Bedrock, Surficial, Pliocene, Quaternary,