Arizona State Land Department, 1974, Arizona Lower Colorado River Resource Area: Arizona State Land Department, Report to President of Senate and Speaker of House, Pursuant to Senate Bill 1331, Thirty First Legislature, First Regular Session, April 1974,  p., 12 sheets, approx. scale 1:25,000.
Earman, Sam, McPherson, B.J.O.L., Phillips, F.M., Ralser, S., and Herrin, J.M., 2003, An investigation of the properties of the San Bernardino groundwater basin, Arizona and Sonora, Mexico: A final report of work performed for the United States Fish and Wildlife Service: Socorro, New Mexico Institute of Mining and Technology, Hydrology Program, 283 p.
Ward, John, 2002, Groundwater on the plateau: Southwest Hydrology, v. 1, no. 4, p. 8, 35.
U.S. Geological Survey, 1973, Availability of ground water in the Navajo and Hopi Indian Reservations, in Geological Survey research 1973: U.S. Geological Survey Professional Paper 850, p. 102.
U.S. Geological Survey, 1974, Ground-water levels decline in the Dateland-Hyder area, in Geological Survey research 1974: U.S. Geological Survey Professional Paper 900, p. 88.
U.S. Geological Survey, 1975, Perched ground water in the northern part of the La Posa Plain, in Geological Survey research 1975: U.S. Geological Survey Professional Paper 975, p. 110.
Bedinger, M.S., Sargent, K.A., and Langer, W.H., 1990, Studies of geology and hydrology in the Basin and Range province, southwestern United States for isolation of high-level radioactive waste - Evaluation of the regions: U.S. Geological Survey Professional Paper 1370-H, p. H1-61, 7 plates, scale 1:1,000,000.
Skirvin, S.M., 1991, Use of processed Landsat Thematic Mapper data to detect surface soil moisture over mountain pediments, southeastern Arizona: Tucson, University of Arizona, M.S. thesis, 57 p.
Realmuto, V.J., 1990, Mapping the distribution of wet soils through the use of reflectance modeling: Dragoon Mountains, Cochise County, Arizona: Tucson, University of Arizona, Ph.D. dissertation, 167 p.
Hawley, J.W., Hibbs, B.J., Kennedy, J.F., Creel, B.J., Remmenga, M.D., Johnson, Molly, Lee, M.M., and Dinterman, Phil, 2000, Trans-international boundary aquifers in southwestern New Mexico: New Mexico Water Resources Institute, Technical Completion Report, Interagency contract number X-996350-01-3, 126 p.