Ross, C.A., 1973, Pennsylvanian and Early Permian depositional history southeastern Arizona: American Association of Petroleum Geologists Bulletin, v. 57, no. 5, p. 887-912.
Hardscrabble Mesa area
Peterson, J.A., Page-Nedell, S.S., and Bergquist, J.R., 1984, Map showing mineral-resource potential of U.S. Forest Service and Bureau of Land Management Wilderness Study Areas in Arizona: U.S. Geological Survey Open-File Report 84-0408, 14 p., 1 sheet, scale 1:1,000,000.
Peirce, H.W., Jones, Nile, and Rogers, Ralph, 1977, A survey of uranium favorability of Paleozoic rocks in the Mogollon Rim and Slope region--east central Arizona: Arizona Bureau of Geology and Mineral Technology Circular 19, 71 p.
Pearthree, P.A., and Scarborough, R.B., 1985, Reconnaissance analysis of possible Quaternary faulting in central Arizona: Arizona Bureau of Geology and Mineral Technology Open-File Report 85-04, 27 p., 1 sheet, scale 1:250,000.
Owen-Joyce, S.J., and Bell, C.K., 1983, Appraisal of water resources in the Upper Verde River area, Yavapai and Coconino Counties, Arizona: Arizona Department of Water Resources Bulletin 2, 219 p., 3 sheets, scale 1:125,000.
Lewis, R.E., 1983, Geology of Hackberry Mountain volcanic center, Yavapai County, Arizona: Pasadena, California Institute of Technology, Ph.D. dissertation, 297 p., 8 sheets, scale 1:24,000.
Karlstrom, K.E., and Bowring, S.A., 1988, Early Proterozoic assembly of tectonostratigraphic terranes in southwestern North America: Journal of Geology, v. 96, no. 5, p. 561-576.
Cooley, M.E., and Johnson, P.W., 1962, Payson to Junction U.S. Highway 89A via Fossil Creek, in Globe to Flagstaff, Arizona: New Mexico Geological Society 13th Field Conference Guidebook, p. 34-35.
Conyers, L.B., 1975, Depositional environments of the Supai Formation in central Arizona: Tempe, Arizona State University, M.S. thesis.
Brew, D.C., 1979, Biostratigraphy of the Naco Formation (Pennsylvanian) in central Arizona, in Beus, S.S., and Rawson, R.R., eds., Carboniferous stratigraphy in the Grand Canyon country, northern Arizona and southern Nevada, International Congress of Carboniferous Stratigraphy and Geology, 9th, Field Trip 13: American Geological Institute Selected Guidebook Series no. 2, p. 119-125.