Holzer, T.L., 1979, Surface effects from ground-water withdrawal in arid areas [abs.]: Geological Society of America Abstracts with Programs, v. 11, no. 3, p. 84-85.
Casa Grande area
Holzer, T.L., 1979, Elastic expansion of the lithosphere caused by ground-water withdrawal in south-central Arizona [abs.]: Tectonophysics, v. 52, p. 304.
Holzer, T.L., 1979, Elastic expansion of the lithosphere caused by ground-water depletion: Journal of Geophysical Research, v. 84, no. B9, p. 4689-4698.
Hassemer, J.H., and Dansareau, D.C., 1980, Gravity survey in parts of Maricopa and Pinal Counties, Arizona: U.S. Geological Survey Open-File Report 80-1255, 65 p., 5 sheets, scale 1:125,000.
Hardt, W.F., and Cattany, R.E., 1965, Description and analysis of the geohydrologic system in western Pinal County, Arizona: U.S. Geological Survey Open-File Report 65-0068, 92 p.
Arizona Geothermal Commercialization Team, 1979, Geothermal development plan: Pinal County: Arizona Bureau of Geology and Mineral Technology Open-File Report 79-11, 26 p.
Gilmour, Paul, 1982, Grades and tonnages of porphyry copper deposits, in Titley, S.R., ed., Advances in geology of the porphyry copper deposits, southwestern North America: Tucson, University of Arizona Press, p. 7-35.
Elliott, M.R., 1969, Investigation of vertical displacement of ground surface, Casa Grande, Arizona: U.S. Geological Survey, Topographic Division, Pacific Region, unpublished report, 83 p.
Earley, D., III, 1989, Copper bearing biotite from the Santa Cruz supergene porphyry copper deposit, Pinal County, Arizona [abs.]: Geological Society of America Abstracts with Programs, v. 21, no. 6, p. A249.
Davidson, E.S., 1973, Index and description of flood-prone area maps in the Tucson-Phoenix area, Arizona: U.S. Geological Survey Miscellaneous Investigations Series Map I-843-A, 1 sheet, scales 1:24,000, 1:28,000, and 1:500,000.