Long, A.E., Brown, J.G., and Gellenbeck, D.J., 1997, Statistical analysis of nitrate in ground water, west Salt River Valley, Arizona: Arizona Department of Environmental Quality Open-File Report 97-16, 38 p. [also available as U.S. Geological Survey Water-Resources Investigations Report 97-4185]
Richard, S.M., Reynolds, S.J., Spencer, J.E., and Pearthree, P.A., comps., 2000, Geologic Map of Arizona: Arizona Geological Survey Map M-35, 1 sheet, scale 1:1,000,000.
Bartlett, R.D., and Cruse, L.T., 1996, Groundwater supply in the Carefree/Cave Creek basin [abs.], in Wanted: Water for rural Arizona, Arizona Hydrological Society Annual Symposium, Ninth, Prescott, Ariz., September 12-14, 1996, Extended abstracts: Arizona Hydrological Society, p. 149-151.
Arizona Department of Water Resources, 1999, Third Management Plan for Phoenix Active Management Area, 2000-2010: Arizona Department of Water Resources, 545 p.
Gellenbeck, D.J., and Coes, A.L., 1999, Ground-water quality in alluvial basins that have minimal urban development, south-central Arizona: U.S. Geological Survey Water-Resources Investigations Report 99-4005, 27 p.
Rauzi, S.L., 2002, Luke salt deposit: Arizona Geological Survey, Map 36, 1 sheet, scale 1:63,360.
Rauzi, S.L., 2002, Arizona has salt!: Arizona Geological Survey, Circular 30, 36 p.
Catlin, C.N., 1926, Character of the ground-water resources of Arizona: Tucson, University of Arizona, College of Agriculture, Agricultural Experiment Station, Bulletin no. 114, p. 173-293.
Smith, H.V., Caster, A.B., Fuller, W.H., Breazeale, E.L., and Draper, George, 1949, The chemical composition of representative Arizona waters: Tucson, University of Arizona, College of Agriculture, Agricultural Experiment Station, Bulletin 225, 76 p.
Soil Conservation Service, Economic Research Service, Forest Service, and Arizona Water Commission, 1977, Santa Cruz-San Pedro River basin, Arizona: Resource inventory: U.S. Department of Agriculture Soil Conservation Service,  p.