Ligner, J.J., White, N.D., Kister, L.R., and Moss, M.E., 1969, Water resources: Part II of Mineral and water resources of Arizona: Arizona Bureau of Mines Bulletin 180, p. 471-580.
La Abra Plain
Arizona Department of Water Resources, 2000, Third Management Plans, 2000-2010, ver. 1.0: Arizona Department of Water Resources, 1 CD-ROM (2,340 p.).
Pima Association of Governments, 1994, Water quality: State of the region report: Tucson, Ariz.,  p.
Tellman, Barbara, Glass, Clint, Wallace, John, and Fuller, J.E., 2000, An overview of Pima County's watersheds and watercourses: Pima County, Ariz., Sonoran Desert Conservation Plan Report, 215 p.
Carruth, R.L., 1995, Hydrogeology of the Quitobaquito Spring and La Abra Plain area, Organ Pipe Cactus National Monument, Arizona, and Sonora, Mexico: U.S. Geological Survey Water-Resources Investigations Report 95-4295, 25 p.
Fisher, S.G., 1992, Quitobaquito Springs revisited: Arizona-Nevada Academy of Science, Journal, v. 26, no. 2, p. 70-87.
Conley, J.N., Koester, E.A., and Rauzi, S.L., 1995, Well location map, Pima and Santa Cruz Co., Arizona - wells posted to January 1995: Arizona Geological Survey Oil and Gas Publication OG-9, 1 sheet, scale 1:500,000.
Gray, Floyd, Tosdal, R.M., Peterson, J.A., Cox, D.P., Miller, R.J., Klein, D.P., Theobald, P.K., Haxel, G.B., Grubensky, Michael, Raines, Gary, Barton, H.N., Singer, D.A., and Eppinger, Robert, 1992, The Conterminous United States Mineral Assessment Program: Background information to accompany folio of geologic, geochemical, geophysical, and mineral resource maps of the Ajo and Lukeville 1o by 2o quadrangles, Arizona: U.S. Geological Survey Circular 1082, 27 p.
Klein, D.P., and Kucks, R.P., 1991, Gravity and aeromagnetic anomaly maps of the Ajo and Lukeville 1o x 2o quadrangles, southwestern Arizona: U.S. Geological Survey Miscellaneous Investigations Series Map I-2139, 3 sheets, scale 1:250,000.
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].