Quaternary

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., 1984, Cenozoic erosion and sedimentation in Arizona: Arizona Bureau of Geology and Mineral Technology Open-File Report 85-03, 61 p.

Scarborough, R.B., 1979, Cenozoic history and uranium in southern Arizona: Fieldnotes [Arizona Bureau of Geology and Mineral Technology], v. 9, no. 3, p. 1-3, 14-16.

Rosholt, J.N., Emslie, S., and Stevens, L., 1987, Paleoclimatic and paleohydrologic significance of uranium-series ages of anhydrite and gypsum in caves, Grand Canyon National Park, Arizona [abs.]: Geological Society of America Abstracts with Programs, v. 19, no. 5, p. 330.

Rosholt, J.N., Downs, W.R., O'Malley, P.A., and Stevens, Larry, 1986, Uranium-trend ages of surficial deposits in the central Grand Canyon National Park, Arizona [abs.]: Geological Society of America Abstracts with Programs, v. 18, no. 5, p. 408.

Reynolds, S.J., Welty, J.W., and Spencer, J.E., 1986, Volcanic history of Arizona: Fieldnotes [Arizona Bureau of Geology and Mineral Technology], v. 16, no. 2, p. 1-5.

Price, W.E., Jr., 1948, Rim rocks of Sycamore Canyon, Arizona: Tucson, University of Arizona, M.S. thesis, 93 p.

Price, W.E., Jr., 1950, Cenozoic gravels on the rim of Sycamore Canyon, Arizona: Geological Society of America Bulletin, v. 61, no. 5, p. 501-507.

Pedersen, E.P., 1969, Sedimentology and stratigraphy of basin-fill sediments of the Payson Basin, Gila County, Arizona: Tempe, Arizona State University, M.S. thesis, 136 p., 1 sheet, scale 1:32,000.

Nations, J.D., Wilt, J.C., and Hevly, R.H., 1985, Cenozoic paleogeography of Arizona, in Flores, R.M., and Kaplan, S.S., eds., Cenozoic paleogeography of the west-central United States - Rocky Mountain Paleogeography Symposium 3, Denver, Colo., 1985: Society of Economic Paleontologists and Mineralogists, Rocky Mountain Section, Denver, Colo., p. 335-355.