Scarborough, R.B., 1985, Map of post-15-m.y. volcanic outcrops in Arizona: Arizona Bureau of Geology and Mineral Technology Map M-21, 1 sheet, scale 1:1,000,000.
Scarborough, R.B.
Arizona Bureau of Geology and Mineral Technology Map M-21, 1 sheet, scale 1:1,000,000.
Map, Bedrock, Volcanic, Miocene, Pliocene, Quaternary, Pleistocene, Holocene,
