Silver Bell Mts.

Zoback, M.L., Anderson, R.E., and Thompson, G.A., 1981, Cainozoic evolution of the state of stress and style of tectonism of the Basin and Range province of the western United States: Royal Society of London, Philosophical Transactions, series A, v. 300, p. 189-216.

Zadina, W.L., 1982, Structural variations of muscovite in porphyry copper systems: Tucson, University of Arizona, M.S. thesis, 71 p.

Wilson, E.D., Moore, R.T., and O'Haire, R.T., 1960, Geologic map of Pima and Santa Cruz Counties, Arizona: Arizona Bureau of Mines, 1 sheet, scale 1:375,000 [now available as Arizona Geological Survey Map M-3-8].

Wideman, F.L., 1957, A reconnaissance of sulfur resources in Wyoming, Colorado, Utah, New Mexico, and Arizona: U.S. Bureau of Mines Information Circular I.C. 7770, 61 p.

Watson, B.N., 1968, Intrusive volcanic phenomena in southern and central Arizona, in Titley, S.R., ed., Southern Arizona Guidebook III: Arizona Geological Society, p. 147-153.

Watson, B.N., 1964, Structure and petrology of the eastern portion of the Silver Bell Mountains, Pima County, Arizona: Tucson, University of Arizona, Ph.D. dissertation, 168 p.

U.S. Geological Survey, 1980, Composite aeromagnetic map of the Papago area, Arizona: U.S. Geological Survey Open-File Report 80-0056, 1 sheet, scale 1:125,000.

U.S. Geological Survey, 1979, Land use and land cover, 1972-74, Tucson, Arizona: U.S. Geological Survey Land Use Series Map L-43, 1 sheet, scale 1:250,000.

U.S. Department of Agriculture, and Arizona Water Commission, comps., 1973, Map of land status in the Tucson area, Arizona: U.S. Geological Survey Miscellaneous Geologic Investigations Map I-844-A, 1 sheet, scale 1:250,000.

U.S. Atomic Energy Commission, and U.S. Geological Survey, 1970, Preliminary reconnaissance for uranium in Pima and Pinal Counties, Arizona, 1950 to 1957: U.S. Atomic Energy Commission Report RME-159, 100 p.