Davidson, E.S., 1979, Summary appraisals of the nation's ground-water resources - Lower Colorado region: U.S. Geological Survey Professional Paper 813-R, 23 p., 3 sheets, scale 1:1,000,000.
San Simon Wash
Bryan, Kirk, 1925, The Papago country, Arizona; A geographic, geologic, and hydrologic reconnaissance with a guide to desert watering places: U.S. Geological Survey Water-Supply Paper 499, 436 p., scale 1:250,000 and 1:500,000, 4 sheets.
Brown, S.G., 1976, Preliminary maps showing ground-water resources in the lower Colorado River region, Arizona, Nevada, New Mexico, and Utah: U.S. Geological Survey Hydrologic Investigations Atlas HA-542, 1 sheet, scale 1:1,000,000.
Babcock, H.M., 1977, Annual summary of ground-water conditions in Arizona, Spring 1975 to Spring 1976: U.S. Geological Survey Water-Resources Investigations 77-0010 Open-File Report, 2 sheets, scale 1:1,000,000.
Arizona Water Commission, 1975, Arizona State Water Plan, Phase 1, Inventory of resource and uses: Arizona Water Commission, 224 p., 2 sheets, approx. scale 1:670,000.
Anderson, T.W., 1986, Geohydrology of the southwest alluvial basins, Arizona, in Anderson, T.W., and Johnson, A.I., eds., Regional aquifer systems of the United States - Southwest alluvial basins of Arizona: Bethesda, Md., American Water Resources Association Monograph Series no. 7, p. 99-111.
Aiken, C.L.V., Lysonski, J.C., Sumner, J.S., and Hahman, W.R., Sr., 1981, A series of 1:250,000 complete residual Bouguer gravity anomaly maps of Arizona: Arizona Geological Society Digest, v. 13, p. 31-37.
Agenbroad, L.D., 1984, Recent valley deposits in southern Arizona, in Smiley, T.L., Nations, J.D., Pewe, T.L., and Schafer, J.P., eds., Landscapes of Arizona - The geological story: Lanham, Md., University Press of America, p. 253-268.
Adrian, B.M., Hageman, P.L., Sharkey, J.D., and Nowlan, G.A., 1988, Analytical results and sample locality map of stream-sediment and panned-concentrate samples from the Baboquivari Peak Wilderness Study Area, Pima County, Arizona: U.S. Geological Survey Open-File Report 88-0427, 14 p.
Adrian, B.M., Fey, D.L., Bradley, L.A., O'Leary, R.M., and Nowlan, G.A., 1987, Analytical results and sample locality maps of stream-sediment, panned-concentrate, and rock samples from the Baboquivari Peak, Coyote Mountains, and Table Top Mountains Wilderness Study Areas, Pima, Pinal, and Maricopa Counties, Arizona: U.S. Geological Survey Open-File Report 87-0163, 23 p., 1 sheet, scale 1:24,000.